
Understanding Database Triggers
Quiz
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Information Technology (IT)
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University
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Practice Problem
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Medium
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is a database trigger?
A) A table in a database
B) A procedural SQL code executed automatically upon a data manipulation event
C) A type of stored procedure executed manually
D) A query that retrieves data
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which event can activate a database trigger?
A) Running a SELECT statement
B) Deleting a database
C) Inserting, updating, or deleting a row
D) Creating a new database
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What command is used to create a trigger in SQL Server?
A) CREATE PROCEDURE
B) CREATE FUNCTION
C) CREATE TRIGGER
D) CREATE EVENT
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the function of a trigger in enforcing referential integrity?
A) It prevents unauthorized schema changes
B) It ensures that related records in multiple tables remain consistent
C) It automatically backs up data
D) It optimizes query performance
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a type of trigger?
A) BEFORE trigger
B) AFTER trigger
C) INSTEAD OF trigger
D) DURING trigger
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the main advantage of using triggers?
A) They can be executed manually
B) They provide a way to enforce business rules automatically
C) They are faster than stored procedures
D) They can only be used for data retrieval
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the main difference between BEFORE and AFTER triggers?
A) BEFORE triggers execute before a transaction, while AFTER triggers execute after the transaction
B) BEFORE triggers delete records, while AFTER triggers update records
C) BEFORE triggers can only be used in MySQL, while AFTER triggers are for SQL Server
D) There is no difference between the two
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