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ORA-00933: SQL command not properly ended
What it means
The statement has extra text after a complete command: a clause in the wrong order, AS before a table alias (allowed for columns, not tables), ORDER BY in an INSERT ... SELECT subquery, or an UPDATE ... JOIN written in another database's syntax.
How to fix it
Remove AS before table aliases, check the clause order (WHERE, GROUP BY, HAVING, ORDER BY), and rewrite UPDATE/DELETE with a join as MERGE or a correlated subquery.
Catch it before it runs
ORA Error Helper
Explains ORA-/PLS- codes inside JetBrains IDEs and DataGrip. PL/SQL Lint
Flags risky PL/SQL patterns while you type. Oracle Plan Reader
Reads execution plans and points at the slow step. PL/SQL in Practice
Kindle book with practical PL/SQL for working developers.
Explains ORA-/PLS- codes inside JetBrains IDEs and DataGrip. PL/SQL Lint
Flags risky PL/SQL patterns while you type. Oracle Plan Reader
Reads execution plans and points at the slow step. PL/SQL in Practice
Kindle book with practical PL/SQL for working developers.
Nearby errors
Updated 2026-11-12.