add new columns to table code example

Example 1: add column to table sql

ALTER TABLE table_name ADD column_name varchar(50);

Example 2: alter table add column

ALTER TABLE table
ADD COLUMN column VARCHAR (255) NOT NULL AFTER column;

Example 3: alter table add column

ALTER TABLE table_name 
ADD column_name datatype;

Example 4: script to add new column in table sql

ALTER TABLE table_name
ADD column_name datatype;