All errors › ORA errors
ORA-01873: The leading precision of the interval is too small
What it means
An INTERVAL value does not fit its leading field precision (default 2 digits, e.g. INTERVAL '100' DAY).
How to fix it
Declare more precision: INTERVAL '100' DAY(3), or NUMTODSINTERVAL.
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.