How do you end a while loop in SQL?

How do you end a WHILE LOOP?

To break out of a while loop, you can use the endloop, continue, resume, or return statement. endwhile; If the name is empty, the other statements are not executed in that pass through the loop, and the entire loop is closed.

How do you do a WHILE LOOP in SQL?

SQL While loop syntax

The while loop in SQL begins with the WHILE keyword followed by the condition which returns a Boolean value i.e. True or False. The body of the while loop keeps executing unless the condition returns false. The body of a while loop in SQL starts with a BEGIN block and ends with an END block.

How do you end a SQL command?

Ending a SQL Command. You can end a SQL command in one of three ways: with a semicolon (;) with a slash (/) on a line by itself.

Why does my while loop not stop?

The issue with your while loop not closing is because you have an embedded for loop in your code. What happens, is your code will enter the while loop, because while(test) will result in true . Then, your code will enter the for loop. Inside of your for loop, you have the code looping from 1-10.

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What is while loop example?

A “While” Loop is used to repeat a specific block of code an unknown number of times, until a condition is met. For example, if we want to ask a user for a number between 1 and 10, we don’t know how many times the user may enter a larger number, so we keep asking “while the number is not between 1 and 10”.

Can you loop in SQL?

SQL WHILE loop provides us with the advantage to execute the SQL statement(s) repeatedly until the specified condition result turn out to be false. If the result of the condition is true, the SQL statement will be executed. … Otherwise, the code flow will exit the loop.

Can we use for loop in SQL?

There is no FOR in SQL, But you can use WHILE or GOTO to achieve the way how the FOR will work. I always prefer WHILE over GOTO statement. For loop is not officially supported yet by SQL server.

Which is better cursor or WHILE LOOP in SQL Server?

While SQL While loop is quicker than a cursor, reason found that cursor is defined by DECLARE CURSOR. Every emphasis of the loop will be executed inside system memory and consuming required server assets.

What does end do in SQL?

END statement is used to define a statement block. A statement block consists of a set of SQL statements that execute together. A statement block is also known as a batch.

What is start and end in SQL?

BEGIN and END are used in Transact-SQL to group a set of statements into a single compound statement, so that control statements such as IF … ELSE, which affect the performance of only a single SQL statement, can affect the performance of the whole group.

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