SQL Data Manipulation Quiz

Data Manipulation Language

Data Management Language

Data Model Language

INSERT, UPDATE, DELETE

SELECT, INSERT, DELETE

UPDATE, DELETE, CREATE

To add new records to a database table

To modify existing data

To remove unwanted records

Modifies existing data within a table

Adds new records

Removes records

To remove unwanted records from a table

To modify existing data

To add new records

Represents missing information

Represents a zero value

Represents a default value

To replace NULL values with a placeholder

To check for NULL values

To count NULL values

To enforce specific data formats or ranges

To delete unwanted records

To update existing data

User Permissions

Data Redundancy

Data Backup

To prevent SQL injection attacks

To speed up data retrieval

To simplify SQL syntax