Understanding Programmatic Oracle Structures: Intermediate-Level Quiz

Programmatic Oracle Structures Quiz

The purpose of this quiz is to test your knowledge in key areas related to programmatic structures within Oracle. This includes your ability to write and optimize PL/SQL code, create triggers, and utilize advanced data types. Let's get started!

1 / 20

Which prefixes are available to Oracle triggers?

Neither :new nor :old

:new only

:old only

Both :new and :old

2 / 20

PL/SQL function must contain a _____.

Follow Statement

Return Statement

NULL Statement

GOTO Statement

3 / 20

A trigger can be used when you want something to automatically happen when some actions occur. True or False?

True

False

4 / 20

The CREATE TRIGGER statement is used to create the trigger. THE _____ clause specifies the table name on which the trigger is to be attached. The ______ specifies that this is an AFTER INSERT trigger.

For, insert

for insert, on

On, for insert

None of the mentioned

5 / 20

The system variable that records the select statement that SQL * FORMS most recently used to populate a block is __________

SYSTEM.LAST_RECORD

SYSTEM.LAST_QUERY

SYSTEM.CURSOR_RECORD

SYSTEM.CURSOR_FIELD

6 / 20

What is the result of the following ‘PAN’NULL’KAJ’?

NULL

Error

PAN KAJ

PANKAJ

7 / 20

Triggers are very difficult to view which makes the debugging also difficult. True or False?

True

False

8 / 20

Which of the following queries displays the sum of all employee salaries for those employees not making commission, for each job, including only those sums greater than 2500?

select job, sum(Sal) from Emp where comm is null group by job having sum(Sal) > 2500;

select job, sum(Sal) from Emp group by job having sum(Sal) > 2500 and comm is not null;

select job, sum(Sal) from Emp where sum(Sal) > 2500 and comm is null group by job;

select job, sum(Sal) from Emp where sum(Sal) > 2500 and comm is null;

9 / 20

By using PL/SQL ____, you can repeatedly execute one or more statements over and over again.

Cursor

Variables

Case

Loops

10 / 20

Which function is used to remove the PL/SQL function?

ERASE FUNCTION

REMOVE FUNCTION

DROP FUNCTION

DELETE FUNCTION

11 / 20

Which of the following is true concerning triggers?

They have an event, condition, and action

They cannot cascade (cause another trigger to fire)

They execute against only some applications that access a database

You do not create them with SQL

12 / 20

The call function returns program control to the ____ after completing the defined task successfully.

Main Program

Main Row

Main Table

Main Database

13 / 20

Can I use a trigger and a cursor together?

YES

Not sure

Sometimes

14 / 20

Which of the following statement is false?

Error number is ranging from 20000 to 20999 are reserved for user defined messages

Oracle checks Uniqueness of User defined errors

Any procedure can raise a error and return an user message and error number

Raise_Application_error is used for raising an user defined error

15 / 20

POST-BLOCK trigger is also a?

Transaction Trigger

Navigational Trigger

Key Trigger

All of the Mentioned

16 / 20

IF-THEN statement executes the corresponding code whenever a TRUE condition is found. Otherwise, the condition cannot be rechecked. True or False?

True

False

17 / 20

How many types of PL/SQL Cursor are there?

18 / 20

In Oracle, which of the following package procedure is UNRESTRICTED?

USER_EXIT

CALL_INPUT

CLEAR_BLOCK

EXECUTE_QUERY

19 / 20

Errors that are encountered during the execution of the program are referred to as ____ in PL/SQL.

EXCEPTION

PROCEDURE

CURSOR

FUNCTION

20 / 20

Which of the following is not a restriction for a table to be a relation?

The cells of the table must contain a single value

The columns must be ordered

All of the entries in any column must be of the same kind

No two rows in a table may be identical

Your score is

The average score is 0%

Programmatic Oracle structures focuses on Oracle’s procedural programming capabilities. This includes PL/SQL blocks, packages, procedures, functions, and triggers.

It also covers how these structures encapsulate logic, handle exceptions, and interact with database objects efficiently.

This quiz is designed for those developing complex applications in Oracle environments, aiming to enhance performance and maintainability.

All the best!