change column name microsoft sql server code example
Example 1: change column names mssql
--The following example renames the column TerritoryID in the table Sales.SalesTerritory to TerrID in the AdventureWorks database.
EXEC sp_rename 'Sales.SalesTerritory.TerritoryID', 'TerrID', 'COLUMN';
Example 2: change column name sql
ALTER TABLE users
ALTER COLUMN first username varchar(20);