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

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

Both triggers and stored procedures can handle errors

Only triggers can handle errors

Only stored procedures can handle errors

2 / 40

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

Clean up data after deletion

Validate data after deletion

Modify data after deletion

3 / 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

4 / 40

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

Poor performance

Complexity in maintenance

Limited data manipulation

5 / 40

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

Modify data before deletion

Delete data before deletion

Validate data before deletion

6 / 40

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

Stored procedure

View

Index

7 / 40

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

Instead of trigger

After trigger

Before trigger

8 / 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

9 / 40

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

Trigger that responds to data query events

Trigger that responds to data manipulation events

Trigger that responds to data definition language events

10 / 40

Which statement is true about triggers in SQL?

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

Triggers are executed only manually

Triggers are part of DDL

11 / 40

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

After trigger

Instead of trigger

Before trigger

12 / 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

13 / 40

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

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

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

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

14 / 40

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

Delete data before update

Modify data before update

Validate data before update

15 / 40

What is a database trigger?

A stored program that automatically executes when certain events occur

A table constraint

An index on a column

16 / 40

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

Trigger that executes multiple times

Trigger that calls other triggers

Trigger that calls itself

17 / 40

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

Handle basic queries

Execute after trigger

Handle complex actions

18 / 40

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

Execute instead of the triggering event

Execute after the triggering event

Execute before the triggering event

19 / 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

20 / 40

What is a stored procedure in a database?

A table constraint

A group of SQL statements that perform a specific task

A database schema

21 / 40

Which database operation is commonly performed using a stored procedure?

Data constraint

Data definition

Data manipulation

22 / 40

What is the primary advantage of using stored procedures?

Improved performance

Reduced data redundancy

Simplified data retrieval

23 / 40

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

Automated response to data events

User-initiated execution

Schema modification

24 / 40

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

Trigger with no actions

Trigger that triggers other triggers

Trigger with multiple actions

25 / 40

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

Execute trigger once

Execute trigger for each affected row

Execute trigger for each table

26 / 40

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

Triggers slow down query performance

Hidden logic can be hard to debug

Triggers are not reusable

27 / 40

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

Instead of trigger

After trigger

Before trigger

28 / 40

Which database operation is commonly performed using a trigger?

Data validation

Data insertion

Data retrieval

29 / 40

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

Trigger that responds to data query events

Trigger that responds to data definition language events

Trigger that responds to data manipulation language events

30 / 40

Which statement is true about transaction control in stored procedures?

Stored procedures cannot control transaction boundaries

Stored procedures require external transaction control

Stored procedures can control transaction boundaries

31 / 40

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

Enforce data integrity

Simplify data retrieval

Maximize data redundancy

32 / 40

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

Modify data after insertion

Delete data after insertion

Validate data before insertion

33 / 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

34 / 40

What is a characteristic of a recursive trigger?

Triggers itself when the triggering event occurs

Requires explicit invocation

Triggers are created only in DDL

35 / 40

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

Instead of trigger

After trigger

Before trigger

36 / 40

Which SQL keyword is used to define a trigger?

CREATE FUNCTION

CREATE TRIGGER

CREATE PROCEDURE

37 / 40

Which statement is true about recursive triggers in SQL?

Triggers cannot call themselves recursively

Triggers can call other triggers

Triggers can call themselves recursively

38 / 40

What is the purpose of a trigger in a database?

Maintain data integrity

Create database schema

Query optimization

39 / 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

40 / 40

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

Improved performance

Automated data events

Explicit invocation

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