sql alter column name 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: sql server alter column

ALTER TABLE table_name 
ALTER COLUMN column_name new_data_type(size);

Example 3: sql rename column

EXEC SP_RENAME 'TABLE_NAME.OLD_COLUMN_NAME','NEW_COLUMN_NAME'

Example 4: sql alter column size

ALTER TABLE table_name
ALTER COLUMN column_name datatype;

Example 5: change name of colum in sql table

ALTER TABLE "table_name" RENAME COLUMN "column 1" TO "column 2";

Example 6: how to change a collumn name in sql

ALTER TABLE `table_name` 
CHANGE `old_name` `new_name` VARCHAR(10) 
CHARACTER SET utf8 
COLLATE utf8_general_ci NULL 
DEFAULT NULL;