how to 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: sql how to add a column

ALTER TABLE table_name

ADD column_name datatype;

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