alter table add column
snippet in sql

sql add column

user5459

ALTER TABLE Customers
ADD Email varchar(255);

append column sql

user5905

ALTER TABLE table_name
ADD column_name datatype;

--example
ALTER TABLE Customers
ADD Email varchar(255);

sql alter column size

user6185

ALTER TABLE table_name
ALTER COLUMN column_name datatype;

alter table add column

user9639

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

alter table add column

user5018

ALTER TABLE table_name 
ADD column_name datatype;

alter table add column

user466

ALTER TABLE table_name
ADD column_name datatype;