SQL COMMANDS PRE

What does SQL stand for?

• Structured Question Language

• Simple Query Language

• Structured Query Language

• Sequential Query Language

Which SQL command is used to retrieve data from a database?

• FETCH

• SELECT

• SEARCH

• EXTRACT

Which SQL command is used to add new data to a database?

• ADD

• INSERT

• UPDATE

• MODIFY

What does the SQL command DELETE do?

• Updates existing records

• Adds new records

• Retrieves data from a database

• Removes records from a table

Which SQL command is used to modify existing data in a database?

• ALTER

• CHANGE

• MODIFY

• UPDATE

What is the purpose of the SQL command JOIN?

• Create a new database

• Add columns to a table

• Combine data from multiple tables

• Delete records from a table

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

• MODIFY

• ALTER

• UPDATE

• CHANGE

What does the SQL command ORDER BY do?

• Filter the results of a query

• Group data based on a column

• Sort the results of a query

• Join multiple tables

Which SQL command is used to remove a table from the database?

• DROP

• DELETE

• REMOVE

• ERASE

What does the SQL command GROUP BY do?

• Arrange data in ascending order

• Filter data based on conditions

• Group data based on a column

• Count the number of records