ALTER TABLE Customers
ADD Email varchar(255);
ALTER TABLE dbo.doc_exa
ADD column_b VARCHAR(20) NULL,
column_c INT NULL ;
ALTER TABLE table_name
ADD column_name INT -- datatype
-- With default vaue and not nullable
ALTER TABLE table_name
ADD column_name BIT DEFAULT 0 NOT NULL --
-- For More Tutorial, visit NAYCode.com
Alter Table [Table Name] Add [Column Name] [datatype]
ALTER TABLE myTable ADD newColumn bit NOT NULL default(0)
ALTER TABLE agents
ADD [associated department] varchar(100)
ALTER TABLE sales.quotations
ADD
amount DECIMAL (10, 2) NOT NULL,
customer_name VARCHAR (50) NOT NULL;
Code language: SQL (Structured Query Language) (sql)