Introduction to SQL (Grade 12)

A collection of information that is organized so that it can be easily accessed, managed and updated is called

• file.

• array.

• database.

• function.

The relational model has relationship between tables using primary keys, foreign keys and indexes.

• True

• False

How many types of SQL commands are there?

• Two

• Three

• Four

• Five

A type of SQL language used to define the structure that holds the data is

• DDL

• DML

• DCL

A type of SQL language used to control the visibility of data is

• DDL

• DML

• DCL

A type of SQL language used for manipulation of data itself is called

• DDL

• DML

• DCL

Create, Alter and Drop are the examples of

• DDL

• DML

• DCL

Grant and Revoke are examples of

• DDL

• DML

• DCL

Select and Insert are examples of

• DDL

• DML

• DCL

Update and Delete are examples of

• DDL

• DML

• DCL