rename a column in postgresql code example

Example 1: rename table postgres

ALTER TABLE table_name
RENAME TO new_table_name;

Example 2: psql filed name alter

ALTER TABLE table_name 
RENAME column_name TO new_column_name;

Example 3: rename column postgres

ALTER TABLE customers 
RENAME COLUMN name TO customer_name;

ALTER TABLE customers
RENAME COLUMN phone TO contact_phone;