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PL/SQL allows using one loop inside another loop. The following section shows a few examples to illustrate the concept. The syntax for a nested basic LOOP statement in PL/SQL is…

A FOR LOOP is a repetition control structure that allows you to efficiently write a loop that needs to execute a specific number of times. Syntax FOR counter IN initial_value .. final_value…

A WHILE LOOP statement in PL/SQL programming language repeatedly executes a target statement as long as a given condition is true. Syntax WHILE condition LOOP    sequence_of_statements END LOOP; Example DECLARE    a number(2)…

The basic loop structure encloses a sequence of statements in between the LOOP and END LOOP statements. With each iteration, the sequence of statements is executed, and then control resumes at the top of…

In this chapter, we will discuss Loops in PL/SQL. There may be a situation when you need to execute a block of code several times. In general, statements are executed…

It is always legal in PL/SQL programming to nest the IF-ELSE statements, which means you can use one IF or ELSE IF statement inside another IF or ELSE IF statement(s). Syntax IF( boolean_expression 1)THEN    -- executes when the boolean expression…

The searched CASE statement has no selector and the WHEN clauses of the statement contain search conditions that give Boolean values. Syntax The syntax for the searched case statement in PL/SQL is − CASE…

Like the IF statement, the CASE statement selects one sequence of statements to execute. However, to select the sequence, the CASE statement uses a selector rather than multiple Boolean expressions. A selector is an expression, the…

The IF-THEN-ELSIF statement allows you to choose between several alternatives. An IF-THEN statement can be followed by an optional ELSIF...ELSE statement. The ELSIF clause lets you add additional conditions. When using IF-THEN-ELSIF statements there are a few points to keep…