Question 1
Which organization develops and maintains MySQL?
Microsoft Corporation
Oracle Corporation
Google LLC
IBM Corporation
Question 2
Which command is used in the MySQL command line client to list all existing databases?
LIST DATABASE command in MySQL
SHOW DATABASES command in MySQL
VIEW DATABASE command in MySQL
DISPLAY DATABASE command in MySQL
Question 3
Question 4
Question 5
Question 6
Which data type is most suitable for storing variable-length character data such as names or emails?
TINYTEXT for very short text
CHAR for fixed-length text storage
TEXT for large text storage
VARCHAR for variable-length text storage
Question 7
What is the primary purpose of MySQL data types in table columns?
Manage relationships between multiple tables
Control user access permissions in database
Ensure valid data storage with defined structure
Automatically generate column values
Question 8
Which ALTER TABLE operation is used to change the data type of an existing column?
DROP COLUMN to remove existing column
ADD COLUMN to insert new column
MODIFY COLUMN to update column definition
CHANGE COLUMN to rename table
Question 9
Why is SHOW DATABASES preferred over querying system tables directly?
Improves query execution performance automatically
Creates indexes for faster database retrieval
Prevents access to system-level database records
Simplifies database listing without complex queries
Question 10
Which step is used to verify that a database has been deleted?
Running SHOW DATABASES to check database list
Running SELECT query on deleted database
Running UPDATE query on database table
Running DESCRIBE command on database
There are 15 questions to complete.