DECLARE @local_variable (Transact-SQL) - SQL Server
Nov 18, 2025 · The value can be a constant or an expression, but it must either match the variable declaration type or be implicitly convertible to that type. For more information, see Expressions.
Set-Variable (Microsoft.PowerShell.Utility) - PowerShell
The Set-Variable cmdlet assigns a value to a specified variable or changes the current value. If the variable does not exist, the cmdlet creates it.
about_Variables - PowerShell | Microsoft Learn
Working with variables To create a new variable, use an assignment statement to assign a value to the variable. You don't have to declare the variable before using it. The default value of all …
Get Started with Variable Libraries - Microsoft Fabric
Dec 15, 2025 · Learn how to manage Microsoft Fabric variable libraries to customize and share item configurations in a workspace.
Use variables in Classic release pipelines - Azure Pipelines
Oct 27, 2025 · Use custom variables To use custom variables in your tasks, enclose the variable name in parentheses and precede it with a $ character. For example, if you have a variable …
Predefined variables - Azure Pipelines | Microsoft Learn
When you use a variable in a template that isn't marked as available in templates, the variable doesn't render. The variable doesn't render because its value isn't accessible within the …
Integration Services (SSIS) Variables - learn.microsoft.com
Dec 17, 2024 · To use an expression to set the variable value, first confirm that the variable data type is compatible with the evaluation result of the expression and then provide an expression …
about_Environment_Variables - PowerShell | Microsoft Learn
Aug 27, 2025 · Any environment variable you add or change in your PowerShell profile is available in any session that loads your profile. This method works for any version of PowerShell on any …
New-Variable (Microsoft.PowerShell.Utility) - PowerShell
The New-Variable cmdlet creates a new variable in PowerShell. You can assign a value to the variable while creating it or assign or change the value after it is created.
Variable manipulation and the % notation - Power Automate
Jan 18, 2024 · Power Automate enables you to create complex expressions containing hardcoded values, variable names, arithmetic and logical operations, comparisons and parentheses.