change a column name in sql code example

Example 1: sql rename column

EXEC SP_RENAME 'TABLE_NAME.OLD_COLUMN_NAME','NEW_COLUMN_NAME'

Example 2: how to change the column name in sql

ALTER TABLE table_name
CHANGE COLUMN old_name TO new_name;

Example 3: alter table name sql

-- Microsoft SQL style
EXEC sp_rename 'TableOldName', 'TableNewName';

Example 4: modify column name in tsql

sp_rename 'table_name.old_column', 'new_name', 'COLUMN';

Example 5: change column name sql

ALTER TABLE users
 ALTER COLUMN first username varchar(20);