sql add a column code example
Example 1: sql add column
ALTER TABLE Customers
ADD Email varchar(255);
Example 2: alter table add column
ALTER TABLE table
ADD COLUMN column VARCHAR (255) NOT NULL AFTER column;
Example 3: create column sql server
ALTER TABLE table_name
ADD column_name datatype;
Example 4: alter table add column
ALTER TABLE table_name
ADD column_name datatype;