SQL Server ':setvar' Error

Question

I am trying to create some script variables in T-SQL as follows:

    /*
    Deployment script for MesProduction_Preloaded_KLM_MesSap
    */

    GO
    SET A         


        

Answer 1

try replacing :setvar DatabaseName "MesProduction_Preloaded_KLM_MesSap"

with:

USE [MesProduction_Preloaded_KLM_MesSap]
GO