Differentiate between pl/sql and sql?

607

Explain the significance of the & and && operators in pl sql.

563

What is clustered index in sql?

580

What are aggregate functions in sql?

619

how to use regular expression in pattern match conditions? : Sql dba

514

Name some usages of database trigger?

552

What is normalization? How many normalization forms are there?

545

What is the best free sql database?

557

What is data modelling in sql?

515

Explain the the delete statements in sql?

571

Is it possible for a table to have more than one foreign key?

575

What are the two types of exceptions.

629

what are sequences

1082

What is function and procedure?

558

What is nvl?

605