Oracle Triggers And Cursors: Intermediate-Level Quiz

November 25, 2024 by Kobi Okuah

Oracle Triggers And Cursors

Welcome to the "Oracle Triggers and Cursors" quiz! This quiz will test your understanding of key concepts related to triggers, which automatically execute in response to database events, and cursors, which facilitate row-by-row data manipulation. Delve into their types, best practices, and practical applications in Oracle Database. Let’s see how well you know these essential tools for effective database management!

1 / 20

In which scenario is a dynamic cursor recommended?

When you need to view and process real-time changes made to the database during the execution of cursor operations

When you want to work with a stable result set that does not change during the cursor operations

When you want to optimize the performance of your database operations by minimizing the resources needed for data retrieval

2 / 20

Triggers are not supported for;

Insert

Delete

Update

Views

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

In the contexts created by Oracle, a cursor represents a ____.

Table

Pointer

Function

None of the above

5 / 20

What are the different in triggers?

Drop, Comment

Define, Create

Insert, Update, Delete

All of the mentioned

6 / 20

How many types of cursors are there?

7 / 20

How many types of PL/SQL Cursor are there?

8 / 20

The Implicit cursors are created to process the ____ statements.

TCL

DCL

DDL

DML

9 / 20

A __________ is a special kind of a store procedure that executes in response to certain action on the table like insertion, deletion or updation of data.

Cursor

Function

Procedure

Trigger

10 / 20

Which of the following is true about cursors in SQL?

It is a SQL language

It is a database object

It is an exception in SQL

It is a class object

11 / 20

Which of the following is NOT an Oracle-supported trigger?

AFTER

INSTEAD OF

BEFORE

DURING

12 / 20

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

True

False

13 / 20

A trigger can be created within a cursor. True or False?

True

False

14 / 20

What are the two types of cursors?

Internal and External

Stationary and Hyper

Implicit and Explicit

Temporary and Permanent

15 / 20

The variables in the triggers are declared using

–

16 / 20

How many types of triggers are there?

17 / 20

A cursor is activated and thus created in response to any SQL statement. True or False?

True

False

18 / 20

Triggers ________ enabled or disabled

Always

Can be

Ought to be

Cannot be

19 / 20

Can I use a trigger and a cursor together?

YES

Not sure

Sometimes

20 / 20

Cursors are stored within the database and come into action when specific conditions match. True or False?

True

False

Your score is

The average score is 0%

Oracle triggers and cursors focuses on automating tasks and managing data within Oracle databases. They allow for controlled retrieval and processing of query results, particularly for handling multi-row queries.

This quiz is designed for intermediate-level developers and database administrators who are familiar with basic SQL and PL/SQL programming.

Best of luck!