The ORA-00933 error means that Oracle SQL couldn't parse the query because it ends incorrectly or contains invalid syntax. Unlike databases like MySQL or PostgreSQL, Oracle has stricter rules for how statements must be structured.
Common triggers include:
LIMIT instead of Oracle’s ROWNUM or FETCH FIRSTFROM or WHERE)Oracle's parser expects SQL to conform precisely to its grammar. If it finds something out of place, especially near the end of the statement, it throws this error.
LIMIT) in OracleFROM or WHERE clause elementsQ: Why does Oracle not allow LIMIT?
A: Oracle uses different pagination syntax. Use FETCH FIRST or ROWNUM instead of LIMIT.
Q: How do I debug this error?
A: Carefully check the syntax around the end of your query, verify matching parentheses, and avoid syntax that doesn’t belong in Oracle.
Q: Can semicolons cause this error?
A: Yes—if you're executing a single statement inside a block or in certain environments, semicolons can cause the SQL parser to misinterpret the command.
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