append column sql
ALTER TABLE table_name
ADD column_name datatype;
--example
ALTER TABLE Customers
ADD Email varchar(255);append column sql
ALTER TABLE table_name
ADD column_name datatype;
--example
ALTER TABLE Customers
ADD Email varchar(255);sql alter table
-- With check if field already exists
IF NOT EXISTS(SELECT 1 FROM sys.columns
WHERE Name = N'Email'
AND Object_ID = Object_ID(N'dbo.Customers'))
BEGIN
ALTER TABLE Customers
ADD Email varchar(255);
ENDmodify column name in tsql
sp_rename 'table_name.old_column', 'new_name', 'COLUMN';Copyright © 2021 Codeinu
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