Question

Which command is used to populate a big SQL table?

A) INSERT
B) UPDATE
C) SELECT
D) CREATE

Answer 1

The SQL command used to populate a big table is INSERT. It allows for the addition of new rows of data into the table. Other commands like UPDATE, SELECT, and CREATE have different purposes, such as modifying data, retrieving data, and creating new database structures, respectively.

Step-by-step explanation:

The command used to populate a big SQL table is INSERT. When you need to add new rows of data into a SQL table, you utilize the INSERT command. This is essential when establishing a database or adding new entries. On the other hand, the UPDATE command is used to modify existing data, SELECT is used to retrieve data from the database, and CREATE is used to create new tables or other database structures.

For example, if you wanted to insert data into a table named 'Students', your SQL command might look like:

INSERT INTO Students (name, age, grade) VALUES ('John Doe', '16', '10th Grade');

This SQL statement inserts a new row with the name 'John Doe', age '16', and grade '10th Grade' into the Students table. For populating a big table, this command may be executed many times with different values, or executed with a script that inserts multiple rows at a time.