How does for loop work in PL SQL?

The LOOP statement executes a sequence of statements within a PL/SQL code block multiple times. The WHILE statement repeats a set of SQL statements as long as a specified expression is true. The condition is evaluated immediately before each entry into the loop body.

Can we use loop in Oracle SQL?

In Oracle, the FOR LOOP allows you to execute code repeatedly for a fixed number of times.

How do you write a loop in SQL query?

I am detailing answer on ways to achieve different types of loops in SQL server.

  1. FOR Loop. DECLARE @cnt INT = 0; WHILE @cnt < 10 BEGIN PRINT ‘Inside FOR LOOP’; SET @cnt = @cnt + 1; END; PRINT ‘Done FOR LOOP’;
  2. DO.. WHILE Loop.
  3. REPEAT..UNTIL Loop.

How do you write a for loop in SQL Server?

How do you create a loop in SQL?

The Basic Syntax of a WHILE Loop

  1. –This variable keeps track of how many times the loop has run.
  2. DECLARE @Counter INT.
  3. SET @Counter = 0.
  4. –The loop begins by checking a condition is met.
  5. –Here we check that the counter has not exceeded 10.
  6. WHILE @Counter <= 10.
  7. –When the condition is met, the loop is entered.

What are SQL loops?

A loop statement allows us to execute a statement or group of statements multiple times and following is the general form of a loop statement in most of the programming languages − PL/SQL provides the following types of loop to handle the looping requirements.

How many loops are there in PL SQL?

There are 4 types of PL/SQL Loops.

What is loop in PL SQL?

PL/SQL Basic LOOP. In this loop structure, sequence of statements is enclosed between the LOOP and the END LOOP statements. At each iteration, the sequence of statements is executed and then control resumes at the top of the loop.

What is a loop in Oracle?

In Oracle PL/SQL, a LOOP is an iterative (repeating) control structure. Loops repeat a specified number of times based on one or more conditions. Inside the loop, one or more PL/SQL statements are evaluated and processed in the order they appear.

What is an example of a loop in programming?

The exact looping process and initial structuring varies between programming languages. In SQL, for example, a programmer may script these structures and execute them either as a server nested loop that is called remotely or as one on a client machine that is executed locally.