SQL Video Tutorial Quiz

What does SQL stand for?

• Standard Query Language

• Structured Query Language

• Simple Query Language

• Systematic Query Language

What is a relational database primarily composed of?

• A collection of tables

• A collection of schemas

• A collection of records

• A collection of queries

Which command is used to create a new database in SQL?

• INIT DATABASE

• START DATABASE

• CREATE DATABASE

• NEW DATABASE

How do you add a new column to an existing table?

• MODIFY TABLE

• UPDATE TABLE

• CHANGE TABLE

• ALTER TABLE

Which SQL command is used to insert data into a table?

• INSERT INTO

• ADD DATA

• APPEND DATA

• PUT DATA

What is the purpose of the SELECT statement in SQL?

• To insert data

• To delete data

• To update data

• To retrieve data

Which keyword is used to sort data in descending order?

• SORT

• DESC

• DOWN

• REVERSE

What is a 'Join' in SQL?

• A way to create a new table

• A method to combine data from multiple tables

• A function to update data

• A command to delete data

What is the purpose of an Index in SQL?

• To ensure data integrity

• To create new tables

• To slow down queries

• To speed up queries

What does a Transaction in SQL ensure?

• Data is permanently deleted

• Multiple changes are applied safely

• Data is encrypted

• Tables are automatically created