Variables (Transact-SQL) - SQL Server | Microsoft Learn
Nov 18, 2025 · Declare a Transact-SQL variable The DECLARE statement initializes a Transact-SQL variable by: Assigning a name. The name must have a single @ as the first character. Assigning a …
How to Declare a Variable in SQL Server? - GeeksforGeeks
Jul 23, 2025 · We cannot declare a variable and directly assign it the result from a subquery in the DECLARE statement in SQL Server. However, we can set a variable with a subquery after it has …
SQL Declare Variable Code Examples - SQL Server Tips
Oct 30, 2025 · Learn how to define and use variables in SQL Server code with these many different SQL Declare Variable code examples.
SQL Variables: Basics and usage
Nov 18, 2019 · In this article, we have explored the concept of SQL variables from different perspectives, and we also learned how to define a variable and how to assign a value (s) to it.
SQL DECLARE Variable: Complete Guide with Examples for SQL Server ...
5 days ago · Therefore, this guide will explain everything you need to know about SQL DECLARE Variable across major databases in SQL Server, MySQL, PostgreSQL, and Oracle.
T-SQL Variables - Declare and Set variable
Understanding how to declare, initialize, and manipulate variables is fundamental for anyone looking to master SQL Server programming. In SQL Server, variables are used to store and manipulate data …
How Do You Declare a Variable in an SQL Query?
Learn how to declare variables in SQL queries with easy-to-follow examples and best practices. This guide covers syntax for different SQL databases, helping you write efficient and dynamic SQL code.
How to Declare and Assign Value to a Variable in SQL Server
May 2, 2025 · Understanding how to declare and assign values to variables is essential for writing efficient and maintainable SQL scripts. In this guide, we will explore different ways to declare and …
A Guide To the SQL DECLARE Statement - dbvis.com
Dec 12, 2024 · In databases like SQL Server, MySQL, PostgreSQL, and Oracle, the SQL DECLARE statement is used to define variables. SQL variables work similarly to variables in various other …
SQL Server: Declare Variables - TechOnTheNet
Learn how to declare variables in SQL Server (Transact-SQL) with syntax and examples. In SQL Server (Transact-SQL), a variable allows a programmer to store data temporarily during the execution of code.