sql add column
ALTER TABLE Customers
ADD Email varchar(255);
alter table add column
ALTER TABLE table
ADD COLUMN column VARCHAR (255) NOT NULL AFTER column;
sql server add column
ALTER TABLE dbo.doc_exa ADD column_b VARCHAR(20) NULL, column_c INT NULL ;
how to add column to table sql
ALTER TABLE table_name ADD column_name varchar(50);
Add a new column into table
ALTER TABLE table ADD [COLUMN] column_name;