oracle database - Why is this query showing error ORA-00923:

ora 923 ORA-00923 occurs when you try to execute a SELECT or REVOKE statement without a FROM keyword in its correct form and place. If you are seeing this error, the keyword FROM is. The error message ORA-00923 points to a problem in the SQL statement structure, specifically indicating that the FROM keyword is not where Oracle expects it to be. This

orang mati erek erek, What causes an ORA-00923 error? In a SELECT or REVOKE statement, the keyword FROM was either missing, misplaced, or misspelled. The keyword FROM must follow.