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  1. 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 …

  2. Link a variable group to secrets in Azure Key Vault

    Sep 10, 2025 · You can create a variable group that links to existing Azure key vaults and maps selected key vault secrets to the variable group. Only the secret names are mapped to the …

  3. 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 …

  4. about_PSItem - PowerShell | Microsoft Learn

    $PSItem was added to PowerShell in an attempt to provide a clearer meaning to the variable name. However, in practice, the dollar sign underscore form $_ is most commonly used.

  5. Keyvault vs Azure devops variable group - Microsoft Q&A

    Aug 18, 2024 · Use Key Vault Task: Prefer using the Azure Key Vault task to fetch secrets at runtime rather than storing them in variable groups. This reduces the risk of exposure since …

  6. Work with variables - Microsoft Copilot Studio

    Oct 4, 2025 · In the Variable properties panel, you can rename a variable, see where your agent uses it, or convert it to a global variable. You can't convert a global variable back to a topic …

  7. Functions with Variable Argument Lists (C++) | Microsoft Learn

    Jun 25, 2025 · C++ provides type checking only for the explicitly declared arguments. You can use variable argument lists when the number and types of arguments to the function can vary. …

  8. 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.

  9. Use variables to improve your DAX formulas - DAX | Microsoft Learn

    Oct 31, 2022 · The measure definition can be made more efficient by using a variable, VAR. The following measure definition represents an improvement. It uses an expression to assign the …

  10. Define variables - Azure Pipelines | Microsoft Learn

    Oct 27, 2025 · User-defined variables can be set as read-only. There are naming restrictions for variables (example: you can't use secret at the start of a variable name). You can use a …