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15 paź 2012 · SQL: Select dynamic column name based on variable. I have the following simple select statement: DECLARE @value varchar(10) SET @value = 'intStep'. SELECT @value FROM dbo.tblBatchDetail. I have tried. SELECT CAST(@value AS varchar(10)) FROM dbo.tblBatchDetail. and all I get a list of intstep.
12 lut 2024 · SELECT @VariableName = ColumnName: This line assigns the value of a specific column from the result set of the SELECT query to the declared variable. FROM TableName: Specifies the table from which to retrieve data. WHERE Conditions: Optional conditions to filter the data being retrieved.
8 maj 2021 · How do I concat a string and a variable to use it as a column name in an sql query? Based on what Lennart suggested I have this now SET STMT = 'SELECT APPROP' || appropriation || ' pr.earnings into ' || active_appropriation || ' where empnumber = ' || user_number; EXECUTE IMMEDIATE STMT
3 wrz 2024 · SELECT @ local_variable is typically used to return a single value into the variable. However, when expression is the name of a column, it can return multiple values. If the SELECT statement returns more than one value, the variable is assigned the last value that is returned.
16 wrz 2024 · Check out this SQL Server stored procedure and function to auto-generate SQL variable coding syntax for many different programming languages.
12 lut 2010 · Is it poosible to use a variable as a column name in SQL? EXAMPLE: DECLARE @ColumnName VARCHAR(100) set @ColumnName= 'Date Received '+ GETDATE() SELECT Datecolumn as @ColumnName. FROM TABLE1
26 sty 2017 · Variables are extremely useful in SQL scripts. They offer the flexibility needed to create powerful tools for yourself. They are especially useful in dynamic SQL environments. They can, and are often used as counters for loops to control how many times you want the code inside the loop to run.
