Oracle Error Codes

Cannot create INSTEAD OF triggers on tables

Cannot change NEW values for this column type in trigger

WHEN clause is not allowed in INSTEAD OF triggers

Cannot CREATE INSTEAD OF trigger on a read-only view

Cannot specify this column in UPDATE OF clause

Functions or methods not allowed in WHEN clause

No implicit conversion to LOB datatype in instead-of trigger

Nested table clause allowed only for INSTEAD OF triggers

Invalid nested table column name in nested table clause

PARENT and NEW values cannot be identical