MySQL Events Quiz – Answertopia

This quiz will test your understanding of MySQL Events, including how to create, modify, and manage scheduled tasks using SQL commands. Answer the following questions to see how well you understand MySQL Events and their applications.

What happens when the MySQL event scheduler is turned off?

All events will be deleted

Scheduled events will not execute

Events will run once and then stop

Events will execute but not update data

None

How do MySQL events differ from triggers?

Events execute based on a time schedule, while triggers execute in response to table events

Events can only be executed manually, while triggers execute automatically

Events only apply to a single table, while triggers apply to multiple tables

Triggers run at scheduled intervals, while events run immediately

None

What is the default execution frequency for MySQL events?

Once per day

They do not repeat unless explicitly specified

Once per hour

Once per week

None

Which function can be used to schedule an event relative to the current time?

CURRENT_TIMESTAMP

GETDATE()

NOW()

CURRENT_TIME

None

How do you modify an existing event in MySQL?

MODIFY EVENT event_name

UPDATE EVENT event_name

ALTER EVENT event_name

CHANGE EVENT event_name

None

Which SQL statement is used to create a MySQL event?

NEW EVENT

INSERT EVENT

CREATE EVENT

SCHEDULE EVENT

None

How do you create a recurring MySQL event that runs every day?

CREATE EVENT task_name ON SCHEDULE EVERY 1 DAY DO sql_statement;

CREATE RECURRING EVENT task_name DO sql_statement;

CREATE EVENT task_name EVERY DAY STARTS NOW() DO sql_statement;

CREATE EVENT task_name RUN EVERY 1 DAY DO sql_statement;

None

Which command is used to remove a scheduled event permanently?

DROP EVENT event_name;

DELETE EVENT event_name;

REMOVE EVENT event_name;

DISABLE EVENT event_name;

None

What is the correct syntax to enable the MySQL event scheduler?

ALTER DATABASE ENABLE EVENT;

ENABLE EVENT SCHEDULER;

SET GLOBAL event_scheduler = ON;

START EVENT SCHEDULER;

None

10.

Which command retrieves the full definition of an event?

SELECT * FROM information_schema.events WHERE event_name = ‘event_name’;

DESCRIBE EVENT event_name;

SHOW EVENT event_name;

SHOW CREATE EVENT event_name;

None

11.

Which statement retrieves a list of all scheduled events?

SHOW EVENTS;

SELECT * FROM mysql.events;

LIST EVENTS;

DESCRIBE EVENTS;

None

12.

How do you disable an event without deleting it?

DROP EVENT event_name;

DELETE EVENT event_name;

ALTER EVENT event_name DISABLE;

REMOVE EVENT event_name;

None

13.

What is the primary purpose of MySQL events?

To enforce data integrity in MySQL tables

To execute SQL statements at specified times or intervals

To execute code automatically in response to table modifications

To monitor and log database queries

None

14.

Which MySQL clause is used to specify an end time for a recurring event?

LIMIT

UNTIL

STOP AT

ENDS

None

15.

Which MySQL privilege is required to create events?

SUPER

EVENT

TRIGGER

SCHEDULE

None

16.

Which global variable controls the execution of MySQL events?

schedule_event

event_handler

mysql_event

event_scheduler

None

17.

How do you prevent an event from being automatically deleted after execution?

Use `ON COMPLETION PRESERVE` in the `CREATE EVENT` statement

Use `ENABLE EVENT` after creation

Disable the `event_scheduler` global variable

Store the event name in a separate table

None

Enter your email address below if you would like to receive a copy of your quiz results.