Sql While Loop With Simple Examples

SQL WHILE loop with simple examples - SQL Shack.

Oct 25, 2019 . In this article, we learned the SQL WHILE loop with quite simple examples. We also virtualized and explained the examples with flowcharts. WHILE loop helps us to achieve iterative operations in SQL Server. At the same time, BREAK and CONTINUE statements can be used to control iteration of the WHILE loop in SQL Server..


SQL WHILE LOOP Examples and Alternatives - mssqltips.com.

Mar 04, 2022 . The backups will still run one at a time like the WHILE and cursor examples. Next Steps. For more information refer to the following links: SQL Server Cursor Example; Different Ways to Write a Cursor in SQL Server; Avoiding WHILE 1 = 1 loops in SQL Server; SQL Server T-SQL CASE Statement Examples; SQL Server CASE Statement Example.


SQL While loop: Understanding While loops in SQL Server - SQL ….

Nov 06, 2019 . 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. A simple example: Printing numbers with SQL While loop. Let's start with a very simple example where we use a SQL While loop to print the first five positive integer values:.


WHILE (Transact-SQL) - SQL Server | Microsoft Docs.

May 27, 2022 . Causes the WHILE loop to restart, ignoring any statements after the CONTINUE keyword. Remarks. If two or more WHILE loops are nested, the inner BREAK exits to the next outermost loop. All the statements after the end of the inner loop run first, and then the next outermost loop restarts. Examples A. Using BREAK and CONTINUE with nested IF ....


PL/SQL Loops - Basic Loop, While Loop and For Loop.

PL/SQL: While Loop. It is an entry controlled loop which means that before entering in a while loop first the condition is tested, if the condition is TRUE the statement or a group of statements get executed and if the condition is FALSE the control will move out of the while loop. Syntax: WHILE LOOP END LOOP;.


PL/SQL FOR LOOP By Practical Examples - Oracle Tutorial.

Code language: SQL (Structured Query Language) (sql) The index is an implicit variable. It is local to the FOR LOOP statement. In other words, you cannot reference it outside the loop. Inside the loop, you can reference index but you cannot change its value. After the FOR LOOP statement executes, the index becomes undefined.. Both lower_bound and upper_bound are ....


SQL Loop : Use Loops to Iterate through Code Effectively.

There are three main types of loops in PL/SQL. Simple Loop; While Loop; ... Let's understand the concept of loop better with help of the following examples. Example 1a: Loop Statement with EXIT DECLARE counter NUMBER := 0; BEGIN LOOP ... Second type of PL/SQL Loop: While Loop. In the WHILE loop the condition is checked at the beginning. If ....


SQL for loop | Implementing the Functions of For Loop in SQL.

We can simulate the working of for loop functionality using the simple while loop in SQL. Recommended Articles. This is a guide to SQL for loop. Here we discuss the introduction, syntax, working of while Loop, and examples respectively. You may also have a look at the following articles to learn more - SQL Clone Table; SQL ORDER BY CASE; SQL ....


Swift while and repeat while Loop (With Examples) - Programiz.

Swift while Loop. Swift while loop is used to run a specific code until a certain condition is met. The syntax of while loop is: while (condition){ // body of loop } Here, A while loop evaluates condition inside the parenthesis (). If condition evaluates to true, the code inside the while loop is executed. condition is evaluated again..


Postgresql For Loop + Examples - SQL Server Guides.

Jan 03, 2022 . Read: Postgres date range + Examples. Postgresql for Loop Performance. The performance of for loop is better than the while loop. The time taken by for loop is 0.0001, where the while loop takes 0.026 seconds. The main reason the while loop is slow is that it checks conditions after each iteration. Example of for loop:.


C++ for Loop (With Examples) - Programiz.

Then instead of writing the print statement 100 times, we can use a loop. That was just a simple example; we can achieve much more efficiency and sophistication in our programs by making effective use of loops. There are 3 types of loops in C++. for loop; while loop; do...while loop; This tutorial focuses on C++ for loop. We will learn about ....


SQL Server PRINT Statement - Overview with Examples.

Mar 02, 2021 . Next, the WHILE loop populates the name of the Database. The WHILE loop executes until the values of @i and @DBCount become equivalent. WHILE (@DBCount>@i) In the WHILE loop, we use the TOP clause to get the name of the Database from the #Databases table and save it in the @DBName variable. Begin set @DBName=(select top 1 name from ....


SQL Server Create Database Examples - mssqltips.com.

Dec 11, 2019 . In this article we look at different T-SQL examples to create a new SQL Server database. ... Simple Command to Create a SQL Server Database. ... Learn the SQL WHILE LOOP with Sample Code. Popular Articles. Date and Time Conversions Using SQL Server..


SQL DECODE() | How DECODE() Function works in SQL? Examples ….

DECODE function is used to perform procedural IF-THEN-ELSE logic in SQL. The function is a close relative of CASE statements. It is a built-in function in ORACLE / PL SQL database management servers. Recommended Articles. This is a guide to SQL DECODE(). Here we discuss how DECODE() function works in SQL with query examples for understanding ....