I want to retrieve a System Variable and use it in an SQL INSERT. I want to retrieve the value of System:MachineName and use it in an insert statement. Using the statement INSERT INTO MYLOG (COL1) SELECT @[System::MachineName] gives the error Error: ..failed to parse.

Jan 25, 2025 · As well as the variables that you declare, SQL Server has a number of built-in system variables and some built-in system functions. The system variables are the ones with @@ at the start of their name. Here is an example that’s often used: SELECT @@VERSION; It is documented here. On my SQL Server 2022 system, the value returned is this:

Jul 8, 2010 · SQL server's sqlcmd supports script variables, which can be set in one of three ways: Locally in the script using :setvar as you do above; Passed to the script using the -v option; Set as environment variables before the script is run

Nov 22, 2024 · Scripting variables can be defined explicitly by using the setvar command, or implicitly by using the sqlcmd -v option. This article also includes examples defining environmental variables at the Cmd.exe command prompt by using SET. The setvar command is used to define scripting variables.

I'm trying to switch the current database with a SQL statement. I have tried the following, but all attempts failed: To add a little more detail. EDIT: I would like to perform several things on two separate database, where both are configured with a variable. Something like this:

Aug 24, 2017 · Sqlcmd allows the use of variables. It gives you the possibility to define variables on your scripts, on the sqlcmd console and also using the -v switch on the command line when executing sqlcmd. Additionally, sqlcmd can use environment …

Nov 22, 2024 · To assign a value to a variable, use the SET statement. This is the preferred method of assigning a value to a variable.

Dec 5, 2024 · SQLCMD variables can be used in SQL objects and scripts by wrapping the variable name in $(variableName) syntax. For example, the following SQL script uses the $(EnvironmentName) variable to control script behavior: BEGIN -- do something END. SQLCMD variables can be set at deployment time using the /v option in the SqlPackage command line tool.

Mar 18, 2022 · In this tutorial, we will cover the following topics related to Transact-SQL variables in SQL Server: What are variables? What are the types of variables? How to declare a variable? How to set a variable? Why use variables? How to use variables in stored procedures? How to use variables in functions? How to use variables with SQLCMD?

Jun 28, 2013 · You can set scripting variables to dynamic variables and functions, but then the scripting variables have the same data type as the dynamic variables, and for all intents and purposes become the same, I.e., you can only use them as literal strings or numbers.