Answers for "sql insert new column"

sql server alter column

ALTER TABLE table_name 
ALTER COLUMN column_name new_data_type(size);

alter table add column

ALTER TABLE table_name 
ADD column_name datatype;

sql add

Adds a new column to an existing table.
Example: Adds a new column named ‘email_address’ to a table named
‘users’.
ALTER TABLE users
ADD email_address varchar(255);

Add column in table

ALTER TABLE table_name
  ADD column_name column_definition;