Change column name sql

Sqlserver add column to table

ALTER TABLE dbo.doc_exa 
ADD column_b VARCHAR(20) NULL, 
	column_c INT NULL ;

Sql rename column

-- Oracle, MySQL 8+
ALTER TABLE table_name RENAME COLUMN current_name TO new_name;
-- MySQL < 8:
ALTER TABLE table_name CHANGE current_name new_name datatype(length);
-- SQL Server:
EXEC SP_RENAME 'table_name.current_name' , 'new_name', 'COLUMN'

Sql server alter column

ALTER TABLE table_name 
ALTER COLUMN column_name new_data_type(size);

Source: sqlservertutorial.net

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';

Sql change table name

ALTER TABLE exampletable RENAME TO new_table_name;

Source: bluehost.com

Change column name sql

ALTER TABLE `db_name`.`table_name` 
	CHANGE `current_column_name` `new_column_name` datatype(size) NOT NULL COMMENT '';

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