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ORA-00910: Specified length too long for its datatype
What it means
A size above the type's maximum, for example VARCHAR2(5000) when MAX_STRING_SIZE = STANDARD (limit 4000 bytes in SQL).
How to fix it
Use a CLOB, reduce the size, or (if the database uses MAX_STRING_SIZE = EXTENDED) up to 32767 bytes.
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.