PostgreSQL query to rename and change column type with single query

Question

In PostgreSQL if I need to rename and change a column data type, I run two separate queries to do so.

To rename:

AL         


        

Answer 1

PostgreSQL: Alter table column name and data-type:

ALTER TABLE  
   ALTER [ COLUMN ] column [ SET DATA ] TYPE data_type [ COLLATE collation ] [ USING expression ]
  RENAME [ COLUMN ] column TO new_column;

See ALTER TABLE.