This article is tagged with:
Sql server alter column
and mysql
sql alter column size
ALTER TABLE table_name
ALTER COLUMN column_name datatype;
sql server alter column
ALTER TABLE table_name
ALTER COLUMN column_name new_data_type(size);
alter column type
ALTER TABLE table_name
ALTER COLUMN column_name datatype;
sql change column types
ALTER TABLE table_name
ALTER COLUMN column_name datatype;
-- Example
ALTER TABLE product
ALTER COLUMN description VARCHAR(250);
sql add column
ALTER TABLE Customers
ADD Email varchar(255);
sql server change column type
ALTER TABLE table_name
DROP COLUMN column_name;