OED Leaks: COMPILATION OF PROGRAMMING WEEK-1-TO-10

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You want to display all the job position titles whose salary is salary from 5,000 to 12,000 arrange from highest to lowest
- SELECT job_title FROM jobs WHERE min_salary >= 5000 AND max_salary<= 10000

What is the SQL command to count the number of records in the employees table?
- SELECT COUNT(*) FROM employees

True or False. The AND, OR, NOT are comparison operators.
-False

Evaluate the following SQL command
SELECT * FROM jobs WHERE job_title LIKE 'Manager%'
- No records will be displayed

You want to display all the employee id and the month an employee was hired.
Which SQL statement give the required output?
- SELECT employee_id, hire_date, TO_CHAR(hire_date,'Month') AS "Hired Month", job_id FROM employees

You want to generate the total salary per month of every department in the company.
-SELECT department_id, SUM(salary) FROM employees GROUP BY department_id

You want to display the employee's last name whose salary is below 10,000 and whose lastname starts with letter D.

Which SQL statement give the required output format of the salary?
- SELECT last_name, TO_INTEGER(salary, $999,999.99) AS "MONTHLY SALARY" FROM employees WHERE salary < 10000 WHERE last_name IN 'D%'

SELECT last_name, TO_INTEGER(salary, $999,999.99) AS "MONTHLY SALARY" FROM employees WHERE salary < 10000 WHERE last_name IN 'D%'
- SELECT CONCAT(first_name, last_name) AS Fullname FROM employees

Display the first 5 letter in the surname of all the employees whose firstname starts with letter 'N'
- SELECT SUBSTR(last_name,1,5), first_name FROM employees WHERE first_name IN 'N'

Austin David was transferred to Purchasing Department. You are assigned to update the database.

Which of the following SQL command will satisfy the requirements?

- UPDATE employees SET department_id = 30 WHERE first_name = ‘David’ AND last_name = ‘Austin’

John want to know how many employees receiving salary below 10,000.

What SQL command he need to run?
- SELECT COUNT(*) FROM employees WHERE salary < 10000;

Evaluate the following SQL command
SELECT employee_id, salary, department_id FROM employees WHERE department_id IN (60,70)
- The SQL command will display employees with department id 60 or 70.

You want to display the employee's last name and date hired in year 2000 to2006 whose salary is above 5000. Which SQL statement give the required output?
- SELECT last_name, hire_date FROM employees WHERE hire_date>=
TO_DATE('01-Jan-2006', 'DD-Mon-RR') AND hire_date<= TO_DATE('31-Dec-2006', 'DD-Mon-RR') AND salary > 5000;

List all employees except for IT_PROG job id.
- All of the choices

Evaluate the following SQL command
SELECT employee_id, min_salary, max_salary FROM employees, departments WHERE
salary>= 10000 && salary <= 20000
- The SQL command will produce an error.

Display all the records in the employee table. Arrange the output in by lastname from A-Z order.
- SELECT * FROM employees ORDER BY lastname

Display employee's name and id whose firstname starts with letter D and job id is IT_PROG.

Sort the output by department.
- SELECT employee_id, first_name, last_name FROM employees WHERE first_name LIKE 'D%' and job_id = 'IT_PROG' ORDER BY department_id

You what to generate the average salary of all employees whose job function is FI_ACCOUNT.

Which of the following SQL command will produce the output.
- SELECT AVG(salary) FROM employees WHERE job_id = 'FI_ACCOUNT';

Display all location id between 1000 to 2000.
- SELECT location_id FROM departments WHERE location_id BETWEEN 1000 AND 2000

What will be the SQL command if every employee will be given a productivity bonus which is equivalent to 3% of the monthly salary?
Display the employee id, salary and the productivity bonus.
-ELECT employee_id, salary, salary * .03 FROM employees

Display the employee id, salary, number of years and the hiring date of every employee in the company
- SELECT employee_id, salary, hire_date, ROUND((SYSDATE - hire_date) /365,0) FROM employees;

Display the employee's name, job title, job_id and the department name of employees with department id of 100.
- SELECT E.employee_id, J.job_title, e.job_id, D.department_name
FROM employees E
JOIN jobs J ON E.job_id = J.job_id
JOIN departments D ON E.department_id = D.department_id
WHERE E.department_id = 100

In creating Joins,the NATURALJOIN and USING clauses are____________
- Mutually Exclusive

Display employee id, lastname, firstname, department name, annual salary, location id of employees whose location id is 1700 and working in Finance Department. Label the annual salary to ANNUAL SALARY.

Sort the output in from highest to lowest salary. (4 POINTS)
-SELECT E.employee_id, E.last_name, E.first_name, D.department_name, E.salary*12 AS "ANNUAL SALARY", D.location_id
FROM employees E
JOIN jobs J ON E.job_id = J.job_id
JOIN departments D ON E.department_id = D.department_id
WHERE D.location_id = 1700 AND D.department_name = 'Finance'
ORDER BY "ANNUAL SALARY" DESC

LA2

Display the name, jobs id and salary of the all the employees whose department id is 100 and salary is below 8000. Arrange the output by salary in ascending order.

SELECT first_name, last_name, salary FROM employees WHERE department_id = 100 AND salary < 8000 ORDER BY salary

Display employee's name and id whose firstname starts with letter D and job id is SA_REP. Sort the output by department.

SELECT employee_id, first_name, last_name FROM employees WHERE first_name LIKE 'D%' and job_id = 'IT_PROG' ORDER BY department_id

List all the employee_id of all employees whose salary is 5000 and below and belong to department 60 or 100.

SELECT employee_id,salary, department_id FROM employees WHERE salary < 5000 AND department_id IN (60,100)

SQ2

Display all the records sorted by price from most expensive to the cheapest parts.

SELECT * FROM parts ORDER BY price DESC

Display all the records whose stock is below 20 and in warehouse number 3.

SELECT * FROM parts WHERE onhand< 20 AND warehouse = 3;

Ronnie is the stockman in the warehouse of ATR Corporation. The General Manager wants to know the parts whose price is above 10000 and above. Which of the following SQL command that Ronnie will run to generate the list.

SELECT * FROM parts WHERE price >= 10000;

Which of the following SQL command will display all records with class code of AP?

SELECT * FROM parts WHERE class = ‘AP’;

Which of the following SQL commands will display all stocks whose class is HW or AP.

SELECT * FROM parts WHERE IN class ('HW', 'AP');

LA3

Display the first 5 letter in the surname of all the employees whose firstname starts with letter 'D'

SELECT SUBSTR(last_name,1,5), first_name FROM employees WHERE SUBSTR(first_name,1,1) = 'D'

Display the employee id, number of years and the hiring date of every employee in the company.

SELECT employee_id, hire_date, ROUND((SYSDATE - hire_date) /365,0) FROM employees;

Every employee will get a bonus of 150% of his/her current salary. Display the employee id, salary and the bonus of every employee. Label the computed bonus with Bonus

The correct answer is: SELECT employee_id, salary, salary * 1.5 AS Bonus FROM employees

SQ3

Display the montly salary of every employee. Round the salary in 2 decimal places.

SELECT ROUND( (salary/12),2 ) FROM employees;

Display the total number of characters of the last name of all the employees.

SELECT LENGTH(last_name) FROM employees;

Display the first 3 letter in the first name of all the employees.

SELECT SUBSTR(first_name,1,3) FROM employees;

Display the last day of the month and the hiring date when the employees are hired in the company.

SELECT LAST_DAY(hire_date), hire_date FROM employees;

LA4

You want to display the employee id and the year when an employee was hired.

Which SQL statement give the required output?

SELECT employee_id, TO_CHAR(hire_date,'YYYY') FROM employees;

You want to display the employee id and the month an employee was hired.

Which SQL statement give the required output?

SELECT employee_id, hire_date, TO_CHAR(hire_date,'Month') AS "Hired Month" FROM employees;

You want to display the employee's last name whose salary is below 10,000.

Which SQL statement give the required output format of the salary?

Required output :

SELECT last_name, TO_CHAR(salary, '$999,999.99') AS "MONTHLY SALARY" FROM employees WHERE salary < 10000

SQ4

You want to display the last name and the year when an employee was hired whose job id is IT_PROG.

Which SQL statement give the required output?

SELECT last_name, TO_CHAR(hire_date,'YYYY') FROM employees WHERE job_id = ‘IT_PROG’;

You want to display all the employee id and the month an employee was hired excluding employees whose job id is AD_VP. Which SQL statement give the required output?

SELECT employee_id, hire_date, TO_CHAR(hire_date,'Month') AS "Hired Month", job_id FROM employees WHERE job_id NOT IN ('AD_VP');

You want to display the employee's id and formatted date hired as shown below.

Which SQL statement give the required output?

Required output :

SELECT employee_id, TO_CHAR(hire_date, 'fmMonth DD, YYYY') AS "Hired Date" FROM employees;

LA5

The General Manager request to the Database Administrator to generate the total salary per month of every department in the company.

SELECT department_id, SUM(salary) FROM employees GROUP BY department_idMs. Ella what to generate the average salary of all employees whose job function is IT_PROG.

Which of the following SQL command will produce the output.

SELECT AVG(salary) FROM employees WHERE job_id = 'IT_PROG';

Aldrin wants to know the highest salary in every department. Which of the following SQL command will display the required output?

SELECT department_id, MAX(salary) FROM employees GROUP BY department_id

What is the SQL command to display the date of the first employee that was hired?

SELECT MIN(hire_date) FROM employees;

John want to know how many employees receiving salary below 10,000. What SQL command he need to run?

SELECT COUNT(*) FROM employees WHERE salary < 10000;

LQ1

John want to know how many part items are there in warehouse number 3.

What SQL command he need to run?

SELECT COUNT(*) FROM parts WHERE warehouse = 3;

Which of the following SQL command will display all records with part number contains the number 9?

SELECT * from parts WHERE partnum LIKE '%9%'

What will be the output of the following SQL?

SELECT * FROM parts WHERE (warehouse = 1 or warehouse = 2) AND class IN ('HW', 'AP') AND (price > 200 AND price < 500);

2 rows returned

What will be the output of the SQL command?

SELECT SUM(onhand) FROM PARTS where class = 'HW' OR class = 'AP' AND warehouse = 1;

137

There was 10% price increase in the all the parts in warehouse number 3. The Store Manager asked the Database Administrator to generate a report showing the part number, the old and new price.

Which of the following SQL statement would satisfy the requirement of the Store Manager.

SELECT partnum, price, price * 1.1 FROM parts WHERE warehouse = 3

Which of the following SQL command will display the summary table showing the total quantity on hand per class.

SELECT class, sum(onhand) AS "QTY ON HAND" FROM parts GROUP BY class

Aldrin wants to know the outstanding total balance on hand on every class per warehouse.

SELECT warehouse, class, sum(onhand) FROM parts GROUP BY warehouse, class

LA6

The HR Manager instruct the Database Officer to display employee's name and the minimum and maximum salary the employee can received. Which of the following SQL command will generate the output?

SELECT first_name, last_name, job_id, min_salary, max_salary FROM employees JOIN jobs USING (job_id);

What will be the output of the SQL command below?

SELECT first_name, last_name, job_title FROM employees CROSS JOIN jobs ORDER BY last_name;

A Cartesian product

What will be the output of the SQL command below?

SELECT last_name, job_id, job_title FROM employees NATURAL JOIN jobs

List of names and job title of matched records from the employees and jobs table

SQ6

Given the SQL command

SELECT * FROM employees JOIN departments USING (department_id)

Which of the following describes the SQL command?

Joined table from the employees and department table

Display the location id of all employee's name and salary whose salary is from 5000 to 10000.

SELECT first_name, last_name, salary FROM employees JOIN departments USING (department_id) WHERE salary >= 5000 AND salary <= 10000

Display the manager id and employee id of every employee

SELECT E.employee_id, D.manager_id FROM employees E JOIN departments D ON E.department_id = D.department_id

Given the SQL command

SELECT employees.first_name, employees.last_name, employees.salary,departments.department_name

FROM employees, departments

WHERE employees.department_id = departments.department_id;

Which of the following describes the SQL command?

List of employees name, salary and department name

LA7

Remove the Shareholder Services department in the department table

DELETE FROM departments WHERE department_name = ‘Shareholder Services’

A new department name Training with department id 300 was created in the company. This will be managed by a Manager with ID of 203 and will located at location id 2400.

Create a SQL command to update the information in the department table.

INSERT INTO departments VALUES (300, 'Training', 203, 2400)

Create a SQL command to add a new position Database Administrator with job id of DB_ADMIN whose salary ranges from 10,000 to 18,000.

INSERT INTO jobs VALUES ('DB_ADMIN', 'Database Administrator', 10000, 18000)

Remove all Manager positions in the department table.

DELETE FROM jobs WHERE job_title LIKE '%Manager%';

SQ7

Create a SQL command to add a new position Java Developer with job id of JAVA_DEV whose salary ranges from 7,000 to 8,000.

INSERT INTO jobs VALUES ('JAVA_DEV', 'Java Developer', 7000, 8000)

Add a 500 pesos increase in salary of all employees who have rendered services 10 years and above.

UPDATE employees SET salary = salary + 500 where TO_CHAR(sysdate,'YYYY') - TO_CHAR(hire_date,'YYYY') >= 10

Which of the following DOES NOT describes the state of the data after the COMMIT command

None of the choices

Which of the following describes the command below?

SELECT * FROM employees WHERE department = 60 FOR UPDATE

Locks the rows in the EMPLOYEES table with department id is 60.

Which of the following will erase all records in the departments table

TRUNCATE TABLE departments

SQL command to create a marker in the current transaction.

SAVEPOINT

Nathaniel had accidentally deleted all the records in the newly updated ORACLE database using the DELETE SQL command. What is the best solution that he can do to restore all the deleted records in the database.

Run the ROLLBACK command

LA8

Which of the following will grant a query privileges on the STUDENT table

GRANT select ON student TO matt

You want to cancel the privilege of matt to add records from the employees table.

REVOKE insert ON employees FROM matt;

This has the highest level of privileges for task such as creating new users, removing users and tables and backing up tables.

DBA

SQ8

TRUE OR FALSE.

An owner has all the privileges on the object.

True

Which of the following provide privilege to update the employees table?

GRANT update (salary) ON employees TO matt

Which of the following will is the correct command to create a role.

CREATE ROLE gen_manager

Matt wants to change his password from 1234 to abcd.

Which of the following will perform the task?

ALTER USER matt IDENTIFIED abcd;

The DBA will create a new user name sales.

Which of the following SQL command will perform the creation?

CREATE sales ACCESS 1234

Which of the following SQL command that the DBA will run to provide Matt to create a table in the Oracle Database.

GRANT create table TO matt

What privileges that manipulates the content of the database objects.

Object Privileges

1st Q Exam

Evaluate the following SQL command

SELECT employee_id, salary, department_id FROM employees WHERE department_id IN (60,70)

The SQL command will display employees with department id 60 or 70.

What will be the SQL command if every employee will be given a productivity bonus which is equivalent to 3% of the monthly salary?

Display the employee id, salary and the productivity bonus.

SELECT employee_id, salary, salary * .03 FROM employees

Display the employee id, salary, number of years and the hiring date of every employee in the company.

SELECT employee_id, salary, hire_date, ROUND((SYSDATE - hire_date) /365,0) FROM employees;

You what to generate the average salary of all employees whose job function is FI_ACCOUNT.

Which of the following SQL command will produce the output.

SELECT AVG(salary) FROM employees WHERE job_id = 'FI_ACCOUNT';

List all employees except for IT_PROG job id.

All of the choices

Austin David was transferred to Purchasing Department. You are assigned to update the database.

Which of the following SQL command will satisfy the requirements?

UPDATE employees SET department_id = 30 WHERE first_name = ‘David’ AND last_name = ‘Austin’

Display the lastname of every employee in the company. Display the output in a single column and label it as Fullname

Format: JuanReyes

SELECT CONCAT(first_name, last_name) AS Fullname FROM employees

Display all the records in the employee table. Arrange the output in by lastname from A-Z order.

SELECT * FROM employees ORDER BY lastname

You want to generate the total salary per month of every department in the company.

SELECT department_id, SUM(salary) FROM employees GROUP BY department_id

You want to display the employee's last name whose salary is below 10,000 and whose lastname starts with letter D.

Which SQL statement give the required output format of the salary?

SELECT last_name, TO_INTEGER(salary, $999,999.99) AS "MONTHLY SALARY" FROM employees WHERE salary < 10000 WHERE last_name IN In creating Joins,the NATURALJOIN and USING clauses are____________

Mutually Exclusive

Sort the output in from highest to lowest salary. (4 POINTS)

SELECT E.employee_id, E.last_name, E.first_name, D.department_name, E.salary*12 AS "ANNUAL SALARY", D.location_id

FROM employees E

JOIN jobs J ON E.job_id = J.job_id

JOIN departments D ON E.department_id = D.department_id

WHERE D.location_id = 1700 AND D.department_name = 'Finance'

ORDER BY "ANNUAL SALARY" DESC

Which of the following does NOT describes SELECT Statement in a PL/SQL.
Answer: Queries must return only one column.

You want to display all the records of employee the same with the salary employee number 103.
Answer: SELECT * FROM employees WHERE salary = (SELECT salary from employees where employee_id= 103)

Which of the following stored procedure to create a procedure to that will be used to display the employee id and salary of Steven King?
Answer: CREATE OR REPLACE PROCEDURE query_emp
(p_last_name IN employees.last_name%TYPE,
p_first_name IN employees.first_name%TYPE,
p_employee_id OUT employees.employee_id%TYPE,
p_salary OUT employees.salary%TYPE) IS
BEGIN
SELECT employee_id, salary INTO p_employee_id, p_salary
FROM employees
WHERE last_name = p_last_name AND first_name = p_first_name;
END query_emp;

Which of the folllowing is TRUE?
Answer: SQL code are embedded within PL/SQL statements

When an exception is user defined, the exception is raised ____________ .
Answer: Explicitly

Which of the folllowing is TRUE?
Answer: SQL code are embedded withing PL/SQL statements

Weak REF CURSOR is very flexible.
Answer: True

How do you test the output of a PL/SQL block?
Answer: Use a predefined Oracle package and its procedure

Restrictive, specifies a RETURN type, associates only with type-compatible queries are description of a ________________.
Answer: Strong REF CURSOR

Which of the following DOES NOT describes an exception?
Answer: Exception is a PL/SQL error that is raised before program execution.

These are local variables declared in the parameter list of a subprogram specification.
Answer: Formal parameter

Which of the following rules is INCORRECT about cursor variables?
Answer: None of the choices.

When an exception is predefined by Oracle server, the exception is raised ____________ .
Answer: Explicitly

Which of the following DOES NOT describes an exception?
Answer: Exception is a PL/SQL error that is raised before program execution.

Evaluate the following PL/SQL.
CREATE OR REPLACE PROCEDURE query_employee
(p_id IN employees.employee_id%TYPE,
p_name OUT employees.last_name%TYPE,
p_salary OUT employees.salary%TYPE) IS
BEGIN SELECT last_name, salary INTO p_name, p_salary
FROM employeesWHERE employee_id = p_id;
END query_employee
Answer: No error

You want to know the total number of employees whose firstname starts with letter D.
Which of the folllowing PLS/SQL executes successfully?
Answer: DECLARE

v_first_name employees.first_name%TYPE := 'D%';
BEGIN
SELECT COUNT(*) INTO v_first_name FROM employees WHERE first_name LIKE v_first_name;
DBMS_OUTPUT.PUT_LINE(v_first_name);
END;
What is the error trapping function that returns the numeric value of the error code?
Answer: SQLCODE

You want to display the name, salary and tax of employee #150. Which of the PL/SQL will execute successfully? Note tax is computed as 2% of the salary.
Answer: DECLARE

v_first_name VARCHAR2(50);
v_last_name VARCHAR2(50);
v_salary INTEGER(20);
v_tax INTEGER(10);
BEGIN
SELECT first_name, last_name, salary, salary * 0.02 INTO v_first_name, v_last_name, v_salary, v_tax FROM employees WHERE employee_id = 150;
DBMS_OUTPUT.PUT_LINE('Firstname : '|| v_first_name);
DBMS_OUTPUT.PUT_LINE('Lastname : '|| v_last_name);
DBMS_OUTPUT.PUT_LINE('Salary : '|| v_salary);
DBMS_OUTPUT.PUT_LINE('Tax : '|| v_tax);
END;

Which of the following is the syntax to close a cursor?
Answer: CLOSE cursor_variable_name;

Which of the following rules is INCORRECT about cursor variables?
Answer: None of the choices.

What are the three PL/SQL block types?
Answer: Anonymous, Procedure, Function

You can trap any error by including a corresponding handler within the exception-handling section of the PL/SQL block.
Answer: True

Which of the following describes weak REF CURSOR?
Answer: Associates with any query

Given the answer in item __________, which of the folllowing stored procedure will display the employee id and salary of Steven King?
Answer: DECLARE
v_employee_id employees.employee_id%TYPE;
v_emp_sal employees.salary%TYPE;
BEGIN
query_emp('King', 'Steven', v_employee_id, v_emp_sal);
DBMS_OUTPUT.PUT_LINE('Employee ID ' || v_employee_id ||' earns '|| to_char(v_emp_sal, '$999,999.00'));
END;

You have been tasked to update the database by creating a PL/SQL to increase the salary of all IT Programmer employees by 50% of their existing salary.
Which of the following will execute successfully?
Answer: DECLARE
v_job_id employees.job_id%TYPE := 'IT_PROG';
BEGIN
UPDATE employees SET salary = salary *0.50 WHERE job_id = v_job_id;
END;

Which of the folllowing is required in a subquery?
Answer: SELECT

What is the exception name when PL/SQL has an internal problem
Answer: PROGRAM_ERROR

In the DECLARE section of the PL/SQL block,
Answer: All of the choices

Actions are being performed when error occurs during PL/SQL execution in the
Answer: EXCEPTION

What is the exception name when PL/SQL has an internal problem
Answer: PROGRAM_ERROR

Which of the folllowing statement describes PL/SQL?
Answer: PL/SQL is an Oracle proprietary, procedural, 3GL programming language
Evaluate the following PL/SQL.
DECLARE
v_employee_id employees.employee_id%TYPE := 114;
BEGIN
DELETE employees WHERE employee_id = v_employee_id;
END;
Answer: The PL/SQL will delete employee number 114.

Which of the following command is used to create a stand-alone procedure that is stored in the Oracle database?
Answer: CREATE PROCEDURE

Evaluate the following PL/SQL.
DECLARE
v_email VARCHAR(20);
BEGIN
SELECT email INTO v_email FROM EMPLOYEES WHERE email like 'D%';
DBMS_OUTPUT.PUT_LINE ('Employees whose email address starts with letter D :'
|| v_email);
EXCEPTION
WHEN TOO_MANY_ROWS THEN
DBMS_OUTPUT.PUT_LINE (' Your select statement retrieved multiple rows.');
END;
Answer: The PL/SQL block will run successfully.

Which of the following is the syntax to define a REF CURSOR type?
Answer: TYPE ref_type_name IS REF CURSOR
[RETURN return_type];
The PL/SQL code block helps modularize code by using:
Answer: All of the choices

Which of the following is the syntax to fetch from a cursor variable?
Answer: FETCH cursor_variable_name INTO variable_name1
[,variable_name2,. . .] | record_name;

You want to display all records in the database whose salary is above the salary of Alexander Hunold.
Answer: SELECT * from employees WHERE salary < (SELECT salary FROM employees WHERE first_name = 'Alexander' AND last_name = 'Hunold')

Procedure can be stored in the database as a schema object.
Answer: True

In PL/SQL Block Structure, which of the following are mandatory?
Answer: BEGIN and END

PL/SQL stands for
Answer: Procedural Language extension to SQL

Which of the following is CORRECT about sub-queries?
Answer: Subquery execute before the main query executes.

Which of the following does NOT describes SELECT Statement in a PL/SQL.
Answer: Queries must return only one column.

PL/SQL Provides a block structure for executable units of ________________.
Answer: Code

Evaluate the SQL command
SELECT employee_id, salary from employees where salary = ANY (SELECT salary FROM employees WHERE job_id = 'IT_PROG') AND job_id = 'ST_CLERK'
Answer: This has no error.
Which of the following PL/SQL will execute successfully?
Answer: DECLARE
v_salary INTEGER(20);
BEGIN
SELECT salary INTO v_salary FROM employees WHERE employee_id = 150;
END;

In PL/SQL Block Structure, which of the following are OPTIONAL?
Answer: None of the choices

Evaluate the following PL/SQL. At what line number is the error of the PL/SQL?
DECLARE
v_deptno NUMBER := 800;
e_invalid EXCEPTION;
BEGIN
DELETE FROM departments
WHERE department_id = v_deptno;
IF SQL % NOT_FOUND THEN
RAISE e_invalid;
END IF;
COMMIT;
EXCEPTION
WHEN e_invalid THEN
DBMS_OUTPUT.PUT_LINE('No such department id.');
END;
Answer: 7

What is the error trapping function that returns the numeric value of the error code?
Answer: SQLCODE

Fetch into a record when fetching from a cursor.
Answer: True

Which of the following is the syntax to open a cursor varial
Answer: OPEN cursor_variable_name
FOR select_statement;

Which of the following is the syntax to define a REF CURSOR type?
Answer: TYPE ref_type_name IS REF CURSOR
[RETURN return_type];

Weak REF CURSOR is very flexible.
Answer: True

Evaluate the following. What will be the output?
DECLARE
SUBTYPE Accumulator IS NUMBER (4,2);
v_amount accumulator;
v_num1 NUMBER;
v_num2 NUMBER;
v_num3 NUMBER;
BEGIN
v_amount := 10.50;
v_num1 := 1;
v_num2 := 2;
v_num3 := 3;
v_num1 := v_amount;
v_num2 := v_num1 + v_amount;
v_num2 := v_num2 - v_num3;
dbms_output.put_line('Total is: ' || v_num2);
END;
Answer: 18

Which of the following is the syntax to fetch from a cursor variable?
Answer: FETCH cursor_variable_name INTO variable_name1
[,variable_name2,. . .] | record_name;

Fetch into a record when fetching from a cursor.
Answer: True

Which of the following is the syntax to close a cursor?
Answer: CLOSE cursor_variable_name;

This is a subset of an existing data type that may place a constraint on its base type.
Answer: Subtype

Which of the following rules is INCORRECT about cursor variables?
Answer: None of the choices.

Use column aliases in cursors for calculated columns fetched into records declared with %COLUMNTYPE.
Answer: False

PROG-113A / Week 18: Designing PL/SQL / Learning Activity 14

Which of the following rules is INCORRECT about cursor variables?
Answer: None of the choices.

Which of the following describes weak REF CURSOR?
Answer: Associates with any query

Restrictive, specifies a RETURN type, associates only with type-compatible queries are description of a ________________.
Answer: Strong REF CURSOR

Which of the following is INCORRECT about the guidelines for cursor design?
Answer: Use column aliases in cursors for calculated columns fetched into records declared with %COLUMNTYPE.
This is a subset of an existing data type that may place a constraint on its base type.
Answer: Subtype

PROG-113A /Week 17: / Short Quiz 13

Evaluate the following PL/SQL. Which of the following will line creates an error?
CREATE OR REPLACE PROCEDURE query_emp
(
p_department_id IN employees.department_id%TYPE,
p_name OUT employees.last_name%TYPE,
p_salary OUT employees.salary%TYPE
)
IS
BEGIN
SELECT last_name, salary, department_id INTO p_name, p_salary, p_department_id
FROM employees
WHERE salary >= p_salary AND department_id = p_department_id ;
END query_emp;
Answer: Line 3

These are local variables declared in the parameter list of a subprogram specification.
Answer: Formal parameter

PROG-113A / ► Week 16: Creating Procedures / ► Learning Activity 13

Procedure can be stored in the database as a schema object.
Answer: True

The PL/SQL code block helps modularize code by using:
Answer: All of the choices

Which of the following command is used to create a stand-alone procedure that is stored in the Oracle database?
Answer: CREATE PROCEDURE

Which of the folllowing does NOT describes subprogram?
i. Compiled only once
ii. Stored in the database
iii. Do not return values
iv. Can take parameters
v. Unnamed PL/SQL blocks
Answer: iii & v

Which if the following is NOT a benefits of using modular program constructs?
Answer: None of the choices

PROG-113A / ► Week 18: Designing PL/SQL / ► Short Quiz 14

Which of the following is the syntax to open a cursor varial
Answer: OPEN cursor_variable_name
FOR select_statement;

Which of the following is the syntax to define a REF CURSOR type?
Answer: TYPE ref_type_name IS REF CURSOR
[RETURN return_type];

Weak REF CURSOR is very flexible.
Answer: True

Which of the following is the syntax to fetch from a cursor variable?
Answer: FETCH cursor_variable_name INTO variable_name1
[,variable_name2,. . .] | record_name;
Fetch into a record when fetching from a cursor.
Answer: True

Which of the following is the syntax to close a cursor?
Answer: CLOSE cursor_variable_name;

This is a subset of an existing data type that may place a constraint on its base type.
Answer: Subtype

Which of the following rules is INCORRECT about cursor variables?
Answer: None of the choices.

Use column aliases in cursors for calculated columns fetched into records declared with %COLUMNTYPE.
Answer: False

PROG-113A / ► Week 18: Designing PL/SQL / ► Learning Activity 14

Which of the following rules is INCORRECT about cursor variables?
Answer: None of the choices.

Which of the following describes weak REF CURSOR?
Answer: Associates with any query

Restrictive, specifies a RETURN type, associates only with type-compatible queries are description of a ________________.
Answer: Strong REF CURSOR

Which of the following is INCORRECT about the guidelines for cursor design?
Answer: Use column aliases in cursors for calculated columns fetched into records declared with %COLUMNTYPE.

This is a subset of an existing data type that may place a constraint on its base type.
Answer: Subtype

PROG-113A / ► Week 15: Long Quiz / ► Long Quiz 3 (30/30)
(Correction)

How do you test the output of a PL/SQL block?
Answer: Use a predefined Oracle package and its procedure

Which of the folllowing statement describes PL/SQL?
Answer: PL/SQL is an Oracle proprietary, procedural, 3GL programming language

Which of the following syntax to declare EXCEPTION named e_invalid_id?
Answer: e_invalid_id EXCEPTION;

In PL/SQL Block Structure, which of the following are mandatory?
Answer: BEGIN and END

This is a type of cursor which is created and managed internally by the Oracle server to process SQL statements
Answer: Implicit

PL/SQL stands for
Answer: Procedural Language extension to SQL

Which of the following PL/SQL will execute successfully?
Answer: DECLARE
v_salary INTEGER(20);
BEGIN
SELECT salary INTO v_salary FROM employees WHERE employee_id = 150;
END;

What is the last clause in trapping exceptions?
Answer: WHEN OTHERS

PL/SQL Provides a block structure for executable units of ________________.
Answer: Code

Which of the folllowing is TRUE?
Answer: SQL code are embedded within PL/SQL statements

You can trap any error by including a corresponding handler within the exception-handling section of the PL/SQL block.
Answer: True

When an exception is user defined, the exception is raised ____________ .
Answer: Explicitly

Evaluate the PL/SQL
DECLARE
v_first_name VARCHAR2(50);
v_last_name VARCHAR2(50);
v_salary INTEGER(20);
BEGIN
SELECT first_name, last_name, salary INTO v_first_name, v_last_name, v_salary FROM employees WHERE department_id = 60;
DBMS_OUTPUT.PUT_LINE('Firstname : '|| v_first_name);
DBMS_OUTPUT.PUT_LINE('Lastname : '|| v_last_name);
DBMS_OUTPUT.PUT_LINE('Salary : '|| v_salary);
END;
Answer: Error in Line 6.

Evaluate the following PL/SQL.
DECLARE
v_employee_id employees.employee_id%TYPE := 114;
BEGIN
DELETE employees WHERE employee_id = v_employee_id;
END;
Answer: The PL/SQL will delete employee number 114.

Which of the following does NOT describes SELECT Statement in a PL/SQL.
Answer: Queries must return only one column.

What are the three PL/SQL block types?
Answer: Anonymous, Procedure, Function

What is the exception name when PL/SQL has an internal problem
Answer: PROGRAM_ERROR

You have been tasked to update the database by creating a PL/SQL to increase the salary of all IT Programmer employees by 100% of their existing salary. Which of the following will execute successfully?
Answer: DECLARE
v_job_id employees.job_id%TYPE := 'IT_PROG';
BEGIN
UPDATE employees SET salary = salary * 2 WHERE job_id = v_job_id;
END;

What is the error trapping function that returns the numeric value of the error code?
Answer: SQLCODE

What is the exception name when single row SELECT returned no data.
Answer: NO_DATA_FOUND

Which of the following DOES NOT describes an exception?
Answer: Exception is a PL/SQL error that is raised before program execution.

In the DECLARE section of the PL/SQL block,
Answer: All of the choices

When an exception is predefined by Oracle server, the exception is raised ____________ .
Answer: Explicitly

Which of the will display the Employee ID and number of years in service with employee ID 150?
Answer: DECLARE

v_salaryemployees.salary%TYPE := 10000;
v_employee_idemployees.employee_id%TYPE := 150;
v_years INTEGER(10);
BEGIN
SELECT employee_id, ROUND((SYSDATE - hire_date) /365,0) INTO v_employee_id, v_years FROM employees WHERE employee_id = v_employee_id ;
DBMS_OUTPUT.PUT_LINE('Employee ID:' || v_employee_id);
DBMS_OUTPUT.PUT_LINE('Number of years : ' || v_years);
END;
Actions are being performed when error occurs during PL/SQL execution in the
Answer: EXCEPTION

You can use this procedure to issue user-defined error messages from stored subprograms.
Answer: RAISE_APPLICATION_ERROR

PROG-113A / ► Week 14: Handling Exceptions / ► Short Quiz 12

Which of the following DOES NOT describes an exception?
Answer: Exception is a PL/SQL error that is raised before program execution.

What is the exception name when single row SELECT returned no data.
Answer: NO_DATA_FOUND

RAISE_APPLICATION_ERROR is used in two different places. These are ___________________.
Answer: Executable and exceptions section

What is the error trapping function that returns the numeric value of the error code?
Answer: SQLCODE

What is the exception name when PL/SQL has an internal problem
Answer: PROGRAM_ERROR

What is the last clause in trapping exceptions?
Answer: WHEN OTHERS

Complete the diagram in Trapping Non-Predefined Oracle Server Errors.
Answer: Declare, Associate, Reference

PROG-113A / ► Week 14: Handling Exceptions / ► Learning Activity 12

You can use this procedure to issue user-defined error messages from stored subprograms.
Answer: RAISE_APPLICATION_ERROR

Which of the following syntax to declare EXCEPTION named e_invalid_id?
Answer: e_invalid_id EXCEPTION;

When an exception is predefined by Oracle server, the exception is raised ____________ .
Answer: Explicitly

When an exception is user defined, the exception is raised ____________ .
Answer: Explicitly

You can trap any error by including a corresponding handler within the exception-handling section of the PL/SQL block.
Answer: True

PROG-113A / ► Week 13: Interacting with Oracle Server / ► Learning Activity 11

Which of the following does NOT describes SELECT Statement in a PL/SQL.
Answer: Queries must return only one column.
Evaluate the following PL/SQL.
1 DECLARE

2 v_employee_id employees.employee_id%TYPE := 114;

3 BEGIN

4 DELETE employees WHERE employee_id = v_employee_id;

5 END;
Answer: The PL/SQL will delete employee number 114.

Which of the following PL/SQL that will display the total number employees whose salary is 10000 and above?
Answer: DECLARE

v_salary employees.salary%TYPE := 10000;
BEGIN
SELECT COUNT(*) INTO v_salary FROM employees WHERE salary >= v_salary;
DBMS_OUTPUT.PUT_LINE(v_salary);
END;
This is a type of cursor which is created and managed internally by the Oracle server to process SQL statements
Answer: Implicit

You have been tasked to update the database by creating a PL/SQL to increase the salary of all IT Programmer employees by twice of their existing salary. Which of the following will execute successfully?
Answer: DECLARE
v_job_id employees.job_id%TYPE := 'IT_PROG';
BEGIN
UPDATE employees SET salary = salary * 2 WHERE job_id = v_job_id;
END;

PROG-113A / ► Week 12: Introduction to PLSQL / ► Short Quiz 10

Which of the folllowing is TRUE?
Answer: SQL code are embedded withing PL/SQL statements

In the DECLARE section of the PL/SQL block
Answer: All of the choices

In PL/SQL Block Structure, which of the following are OPTIONAL?
Answer: None of the choices

What are the three PL/SQL block types?
Answer: Anonymous, Procedure, Function

How do you test the output of a PL/SQL block?
Answer: Use a predefined Oracle package and its procedure

You want to display the name, salary and tax of employee #150. Which of the PL/SQL will execute successfully? Note tax is computed as 2% of the salary.
Answer: DECLARE
v_first_name VARCHAR2(50);
v_last_name VARCHAR2(50);
v_salary INTEGER(20);
v_tax INTEGER(10);
BEGIN
SELECT first_name, last_name, salary, salary * 0.02 INTO v_first_name, v_last_name, v_salary, v_tax FROM employees WHERE employee_id = 150;
DBMS_OUTPUT.PUT_LINE('Firstname : '|| v_first_name);
DBMS_OUTPUT.PUT_LINE('Lastname : '|| v_last_name);
DBMS_OUTPUT.PUT_LINE('Salary : '|| v_salary);
DBMS_OUTPUT.PUT_LINE('Tax : '|| v_tax);
END;

Which of the folllowing statement describes PL/SQL?
Answer: PL/SQL is an Oracle proprietary, procedural, 3GL programming language

PROG-113A / ► Week 12: Introduction to PLSQL / ► Learning Activity 10
PL/SQL stands for
Answer: Procedural Language extension to SQL

PL/SQL Provides a block structure for executable units of ________________.
Answer: Code

In PL/SQL Block Structure, which of the following are mandatory?
Answer: BEGIN and END

Which of the following PL/SQL will execute successfully?
Answer: DECLARE
v_salary INTEGER(20);
BEGIN
SELECT salary INTO v_salary FROM employees WHERE employee_id = 150;
END;

Actions are being performed when error occurs during PL/SQL execution in the
Answer: EXCEPTION

PROG-113A / ► Week 11: Using Subqueries to Solve Queries / ► Short Quiz 9

You want to display the department name the same with the location of the Purchasing department.
Answer: SELECT department_name from departments where location_id = (SELECT location_id from departments where department_name = 'Purchasing')

Evaluate the SQL command
SELECT employee_id, job_id, salary from employees where salary < ALL (SELECT salary FROM employees WHERE job_id = 'FI_ACCOUNT') AND job_id = 'IT_PROG'
Answer: This has no error.

Evaluate the SQL command
SELECT employee_id, last_name, first_name, job_id FROM employees WHERE department_id = (SELECT max(department_id) FROM employees GROUP BY department_id)
Answer: This will return an error. Single-row subquery returns more than one row.

You want to display all employee id, name, hired date and salary who are hired after employee 104 was hired.
Answer: SELECT employee_id, last_name, hire_date, salary FROM employees WHERE TO_NUMBER(TO_CHAR(hire_date, 'YYYY')) >
(SELECT TO_NUMBER(TO_CHAR(hire_date, 'YYYY')) FROM employees WHERE employee_id = 104)

PROG-113A / ► Week 11: Using Subqueries to Solve Queries / ► Learning Activity 9
Which of the following is INCORRECT?
Answer: Use single-row operators with multiple-row subqueries

Which of the folllowing is required in a subquery?
Answer: SELECT

Which of the following is CORRECT about sub-queries?
Answer: Subquery execute before the main query executes.

Evaluate the SQL Command
SELECT job_id, job_title FROM jobs J WHERE INCLUDES
(SELECT * FROM employees WHERE J.job_id = e.job_id );
Answer: The SQL will return an error. Invalid "INCLUDES" parameter.
Evaluate the SQL command
SELECT employee_id, salary from employees where salary = ANY (SELECT salary FROM employees WHERE job_id = 'IT_PROG') AND job_id = 'ST_CLERK'
Answer: This has no error