Oracle DBMS_INTERNAL_TRIGGER
Version 26ai

General Information
Library Note Morgan's Library Page Header
The best Oracle News for FY2026

Oracle Database 26ai will be available on generic Linux platforms in January and soon on AIX and Windows
Purpose Undocumented but provides support for the DBMS_ITRIGGER_UTL package and affects trigger functionality in materialized views, and advanced and streams replication.
AUTHID DEFINER
Dependencies
DBA_NESTED_TABLES DBMS_ITRIGGER_UTL DBMS_SNAP_INTERNAL
DBA_OBJECT_TABLES DBMS_REPUTIL DBMS_SYSTEM
DBMS_ASSERT DBMS_SNAPSHOT_KKXRCA DBMS_UTILITY
Documented No
Exceptions
Error Code Reason
ORA-24331 User buffer too small
First Available Not known
Security Model Owned by SYS with no privileges granted.
Source {ORACLE_HOME}/rdbms/admin/prvthitr.plb
Subprograms
 
DESTROY
Undocumented

Overload 1
dbms_internal_trigger.destroy(
canon_sname  IN VARCHAR2,
canon_oname  IN VARCHAR2,
trigger_type IN CHAR);
exec dbms_internal_trigger.destroy('UWCLASS', 'STATEMENT_LEVEL', 'TABLE');
     *
ORA-24331: user buffer too small
Overload 2 dbms_internal_trigger.destroy(
canon_sname  IN VARCHAR2,
canon_oname  IN VARCHAR2,
trigger_type IN CHAR,
expact_entry IN BOOLEAN);
exec dbms_internal_trigger.destroy('UWCLASS', 'STATEMENT_LEVEL', 'TABLE', FALSE);
     *
ORA-24331: user buffer too small
 
GET_UGAKNT
Undocumented dbms_internal_trigger.get_ugaknt(bitmask IN NUMBER)
RETURN BOOLEAN;
BEGIN
  IF dbms_internal_trigger.get_ugaknt(0) THEN
    dbms_output.put_line('T');
  ELSE
    dbms_output.put_line('F');
  END IF;
END;
/
F

PL/SQL procedure successfully completed.
 
INVALIDATE_LIBRARY_CACHE
Invalidates the named object in the library cache dbms_internal_trigger.invalidate_library_cache(
canon_sname IN VARCHAR2,
canon_oname IN VARCHAR2);
exec dbms_internal_trigger.invalidate_library_cache('UWCLASS', 'SERVERS');

PL/SQL procedure successfully completed.
 
IS_NESTED_TABLE
Returns TRUE if the named table is a nested table dbms_internal_trigger.is_nested_table(
canon_sname IN VARCHAR2,
canon_oname IN VARCHAR2)
RETURN BOOLEAN;
BEGIN
  IF dbms_internal_trigger.is_nested_table('UWCLASS', '-SERVERS') THEN
    dbms_output.put_line('T');
  ELSE
    dbms_output.put_line('F');
  END IF;
END;
/
F

PL/SQL procedure successfully completed.
 
MAKE
Undocumented

Overload 1
dbms_internal_trigger.make(
canon_sname  IN VARCHAR2,
canon_oname  IN VARCHAR2,
trigger_type IN CHAR);
exec dbms_internal_trigger.make('UWCLASS', 'SERVERS', 'TABLE');
     *
ORA-24331: user buffer too small
Overload 2 dbms_internal_trigger.make(
canon_sname  IN VARCHAR2,
canon_oname  IN VARCHAR2,
trigger_type IN CHAR,
expact_entry IN BOOLEAN);
exec dbms_internal_trigger.make('UWCLASS', 'SERVERS', 'TABLE', FALSE);
     *
ORA-24331: user buffer too small
 
SET_UGAKNT
Undocumented dbms_internal_trigger.set_ugaknt(
set_ugaknt_bitmask IN NUMBER,
set_ugaknt_turn_on IN BOOLEAN);
exec dbms_internal_trigger.set_ugaknt(999, FALSE);

PL/SQL procedure successfully completed.

exec dbms_internal_trigger.set_ugaknt(999, TRUE);

PL/SQL procedure successfully completed.

Related Topics
Built-in Functions
Built-in Packages
Database Security
What's New In 21c
What's New In 26ai

Morgan's Library Page Footer
This site is maintained by Daniel Morgan. Last Updated: This site is protected by copyright and trademark laws under U.S. and International law. © 1998-2026 Daniel A. Morgan All Rights Reserved