DDL

What does "SQL" stand for?

• Structured Question Language

• Structured Query Language

• Simple Query Language

• Simple Question Language

Less than or equal to?

• >=

• =>

• =<

• <=

DDL means

DML

______________ constraint prevents NULL values

• UNIQUE

• NOT NULL

• NULL

• FOREIGN KEY

A primary key can be NULL in the table? TRUE or FALSE

• TRUE

• FALSE

Select DDL commands from among the options...

• SELECT

• ALTER

• DROP

• DELETE

The restrictions or conditions applied on data are known as ______________

The primary key of a table which is present in another table for referencing is known as ________________________

The command which changes the structure of a table is _____________________