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

Before trigger

Instead of trigger

After trigger

2 / 40

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

Complexity in maintenance

Poor performance

Limited data manipulation

3 / 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

4 / 40

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

Trigger syntax error

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

Trigger permission error

5 / 40

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

Delete data after insertion

Modify data after insertion

Validate data before insertion

6 / 40

Which statement is true about recursive triggers in SQL?

Triggers can call themselves recursively

Triggers cannot call themselves recursively

Triggers can call other triggers

7 / 40

Which statement is true about stored procedures?

Stored procedures are used only for DDL

Stored procedures can accept parameters

Stored procedures cannot accept parameters

8 / 40

Which database operation is commonly performed using a stored procedure?

Data definition

Data manipulation

Data constraint

9 / 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

10 / 40

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

Modify data before update

Delete data before update

Validate data before update

11 / 40

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

Before trigger

Instead of trigger

After trigger

12 / 40

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

Trigger with multiple actions

Trigger that triggers other triggers

Trigger with no actions

13 / 40

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

Validate data after deletion

Clean up data after deletion

Modify data after deletion

14 / 40

What is a characteristic of a recursive trigger?

Requires explicit invocation

Triggers are created only in DDL

Triggers itself when the triggering event occurs

15 / 40

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

Trigger that calls itself

Trigger that calls other triggers

Trigger that executes multiple times

16 / 40

What is the purpose of a trigger in a database?

Maintain data integrity

Create database schema

Query optimization

17 / 40

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

Automated data events

Improved performance

Explicit invocation

18 / 40

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

Only triggers can handle errors

Only stored procedures can handle errors

Both triggers and stored procedures can handle errors

19 / 40

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

Trigger that responds to data definition language events

Trigger that responds to data query events

Trigger that responds to data manipulation language events

20 / 40

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

View

Index

Stored procedure

21 / 40

Which database operation is commonly performed using a trigger?

Data retrieval

Data insertion

Data validation

22 / 40

What is the primary advantage of using stored procedures?

Reduced data redundancy

Improved performance

Simplified data retrieval

23 / 40

Which statement is true about transaction control in stored procedures?

Stored procedures require external transaction control

Stored procedures can control transaction boundaries

Stored procedures cannot control transaction boundaries

24 / 40

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

Triggers cannot roll back or commit a transaction

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

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

25 / 40

Which statement is true about nested triggers in SQL Server?

Nested triggers are part of DDL

Nested triggers are enabled by default

Nested triggers are disabled by default

26 / 40

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

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

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

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

27 / 40

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

Validate data before deletion

Modify data before deletion

Delete data before deletion

28 / 40

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

Schema modification

Automated response to data events

User-initiated execution

29 / 40

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

Handle complex actions

Handle basic queries

Execute after trigger

30 / 40

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

Trigger that responds to data definition language events

Trigger that responds to data manipulation events

Trigger that responds to data query events

31 / 40

Which SQL keyword is used to define a trigger?

CREATE FUNCTION

CREATE PROCEDURE

CREATE TRIGGER

32 / 40

What is a database trigger?

An index on a column

A table constraint

A stored program that automatically executes when certain events occur

33 / 40

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

Instead of trigger

Before trigger

After trigger

34 / 40

Which statement is true about triggers in SQL?

Triggers are part of DDL

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

Triggers are executed only manually

35 / 40

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

Before trigger

After trigger

Instead of trigger

36 / 40

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

Maximize data redundancy

Simplify data retrieval

Enforce data integrity

37 / 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

38 / 40

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

Stored procedures are explicitly invoked

Triggers are implicitly invoked

Triggers are explicitly invoked

39 / 40

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

Execute trigger for each affected row

Execute trigger once

Execute trigger for each table

40 / 40

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

Validate data before commit

Modify data before commit

Delete data before commit

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