SQL Quiz

What does SQL stand for?

• Simple Query Language

• Structured Question Language

• Standard Query Language

• Structured Query Language

Which of the following is a key function of SQL?

• Data Encryption

• Data Manipulation

• Data Visualization

• Data Compression

What command is used to retrieve data from a database?

• DELETE

• SELECT

• UPDATE

• INSERT

Which SQL component is used for creating and modifying database structures?

• Data Control Language (DCL)

• Data Query Language (DQL)

• Data Manipulation Language (DML)

• Data Definition Language (DDL)

What does the ORDER BY clause do?

• Inserts new data

• Updates data

• Sorts the result set

• Filters records

Which command is used to add new data to a table?

• INSERT

• UPDATE

• DELETE

• ALTER

What is the purpose of the WHERE clause?

• Filters records based on conditions

• Retrieves unique values

• Modifies table structure

• Sorts data

Which command is used to modify existing data in a table?

• UPDATE

• INSERT

• DELETE

• SELECT

What does the DELETE command do?

• Modifies table structure

• Removes data from a table

• Adds new data

• Retrieves data

Which SQL command is used to change the structure of a table?

• SELECT

• UPDATE

• ALTER

• INSERT