Database Triggers and Stored Procedures MCQs With Answers

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Database Triggers and Stored Procedures Online Quiz

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• Test Name: Database Triggers and Stored Procedures MCQ Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

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Database Triggers and Stored Procedures

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1 / 40

What does the term "INSTEAD OF" refer to in the context of triggers?

Execute after the triggering event

Execute before the triggering event

Execute instead of the triggering event

2 / 40

What does the term "DDL trigger" refer to in database management?

Trigger that responds to data query events

Trigger that responds to data definition language events

Trigger that responds to data manipulation events

3 / 40

Which statement is true about transaction control in stored procedures?

Stored procedures require external transaction control

Stored procedures cannot control transaction boundaries

Stored procedures can control transaction boundaries

4 / 40

What is the main disadvantage of using triggers in database design?

Triggers slow down query performance

Triggers are not reusable

Hidden logic can be hard to debug

5 / 40

What is a characteristic of a recursive trigger?

Triggers itself when the triggering event occurs

Triggers are created only in DDL

Requires explicit invocation

6 / 40

What is the role of a "BEFORE COMMIT" trigger in database management?

Delete data before commit

Modify data before commit

Validate data before commit

7 / 40

Which type of trigger executes after an INSERT, UPDATE, or DELETE operation?

Before trigger

After trigger

Instead of trigger

8 / 40

What is the purpose of a "FOR EACH ROW" clause in a trigger definition?

Execute trigger for each table

Execute trigger for each affected row

Execute trigger once

9 / 40

Which SQL keyword is used to define a trigger?

CREATE PROCEDURE

CREATE FUNCTION

CREATE TRIGGER

10 / 40

What is the role of a "COMPOUND TRIGGER" in Oracle databases?

Handle basic queries

Execute after trigger

Handle complex actions

11 / 40

Which statement is true about recursive triggers in SQL?

Triggers cannot call themselves recursively

Triggers can call themselves recursively

Triggers can call other triggers

12 / 40

What is a database trigger?

An index on a column

A table constraint

A stored program that automatically executes when certain events occur

13 / 40

What is a stored procedure in a database?

A group of SQL statements that perform a specific task

A database schema

A table constraint

14 / 40

What is the primary difference between a database trigger and a stored procedure?

Triggers are used for data retrieval; stored procedures are used for data manipulation

Triggers are automatically invoked based on events; stored procedures are manually invoked

Triggers are part of DML; stored procedures are part of DDL

15 / 40

Which type of trigger executes before an INSERT, UPDATE, or DELETE operation?

After trigger

Before trigger

Instead of trigger

16 / 40

Which type of trigger is commonly used for enforcing complex business rules?

Before trigger

After trigger

Instead of trigger

17 / 40

What is the primary disadvantage of using stored procedures in database management?

Limited data manipulation

Complexity in maintenance

Poor performance

18 / 40

Which statement is true about nested triggers in SQL Server?

Nested triggers are disabled by default

Nested triggers are enabled by default

Nested triggers are part of DDL

19 / 40

What is a "BEFORE INSERT" trigger used for in database management?

Modify data after insertion

Delete data after insertion

Validate data before insertion

20 / 40

What is the primary purpose of using a trigger instead of a stored procedure?

User-initiated execution

Automated response to data events

Schema modification

21 / 40

What is the purpose of a "DML trigger" in database management?

Trigger that responds to data manipulation language events

Trigger that responds to data definition language events

Trigger that responds to data query events

22 / 40

What is the purpose of a trigger in a database?

Create database schema

Query optimization

Maintain data integrity

23 / 40

Which database object type is used to encapsulate business logic in a procedural language?

Index

View

Stored procedure

24 / 40

What is the role of a "BEFORE DELETE" trigger in database management?

Delete data before deletion

Validate data before deletion

Modify data before deletion

25 / 40

What is the main advantage of using stored procedures over triggers in database management?

Explicit invocation

Improved performance

Automated data events

26 / 40

In SQL Server, which statement is true about triggers and transaction management?

Triggers can roll back a transaction; triggers cannot commit a transaction

Triggers cannot roll back or commit a transaction

Triggers can commit a transaction; triggers cannot roll back a transaction

27 / 40

Which database operation is commonly performed using a trigger?

Data validation

Data insertion

Data retrieval

28 / 40

What does the term "cascade trigger" refer to in database management?

Trigger that triggers other triggers

Trigger with multiple actions

Trigger with no actions

29 / 40

Which statement is true about error handling in triggers and stored procedures?

Only stored procedures can handle errors

Both triggers and stored procedures can handle errors

Only triggers can handle errors

30 / 40

What is the primary advantage of using stored procedures?

Improved performance

Simplified data retrieval

Reduced data redundancy

31 / 40

What does the term "recursive trigger" refer to in database management?

Trigger that calls itself

Trigger that executes multiple times

Trigger that calls other triggers

32 / 40

Which statement is true about stored procedures?

Stored procedures cannot accept parameters

Stored procedures can accept parameters

Stored procedures are used only for DDL

33 / 40

Which statement is true about triggers in SQL?

Triggers are executed only manually

Triggers can be set to execute automatically before or after an event

Triggers are part of DDL

34 / 40

What does the term "mutating table error" refer to in the context of triggers?

Trigger tries to modify the same table that caused the trigger to fire

Trigger permission error

Trigger syntax error

35 / 40

What is the primary difference between a stored procedure and a trigger?

Stored procedures are explicitly invoked

Triggers are explicitly invoked

Triggers are implicitly invoked

36 / 40

In which type of trigger is the triggering event implicitly specified?

Instead of trigger

Before trigger

After trigger

37 / 40

Which database operation is commonly performed using a stored procedure?

Data definition

Data constraint

Data manipulation

38 / 40

What is the purpose of a "BEFORE UPDATE" trigger in database management?

Delete data before update

Validate data before update

Modify data before update

39 / 40

What is the main advantage of using triggers in database management?

Maximize data redundancy

Enforce data integrity

Simplify data retrieval

40 / 40

What is the role of an "AFTER DELETE" trigger in database management?

Modify data after deletion

Clean up data after deletion

Validate data after deletion

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