Oracle | DBMS

Oracle DBMS_SNAPSHOT (DBMS_MV) Version 23c

General Information

Library Note

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Purpose This package allow the user to refresh snapshots and purge logs providing API supporting the refreshing of snapshot (materialized view) that are not part of the same refresh group and purging of MV snapshot logs.

dbms_mview is a synonym for dbms_snapshot which is the name of the actual package.

AUTHID CURRENT_USER

Constants

Name	Data Type	Value
Snapshot Version
reg_unknown	NUMBER	0
reg_v7_snapshot	NUMBER	1
reg_v8_snapshot	NUMBER	2
reg_repapi_snapshot	NUMBER	3
Register Parameter Flags
reg_fast_refreshable_mview	NUMBER	1
reg_updatable_mview	NUMBER	2
reg_rowid_mview	NUMBER	16
reg_primary_key_mview	NUMBER	32
reg_object_id_mview	NUMBER	536870912

Data Types CREATE TYPE sys.RewriteMessage AS OBJECT( mv_owner VARCHAR2(30), mv_name VARCHAR2(30), sequence NUMBER(3), query_text VARCHAR2(2000), message VARCHAR2(512), pass VARCHAR2(3), mv_in_msg VARCHAR2(30), measure_in_msg VARCHAR2(30), join_back_tbl VARCHAR2(30), join_back_col VARCHAR2(30), original_cost NUMBER(10), rewritten_cost NUMBER(10), flags NUMBER, reserved1 NUMBER, reserved2 VARCHAR2(10)); / CREATE TYPE sys.RewriteArrayType AS VARRAY(256) OF RewriteMessage / CREATE TYPE SYS.ExplainMVMessage AS OBJECT ( MVOWNER VARCHAR(30), MVNAME VARCHAR(30), CAPABILITY_NAME VARCHAR(30), POSSIBLE VARCHAR(1), RELATED_TEXT VARCHAR(2000), RELATED_NUM NUMBER, MSGNO NUMBER, MSGTXT VARCHAR2(2000), SEQ NUMBER); / CREATE TYPE SYS.ExplainMVArrayType AS VARRAY(50) OF SYS.ExplainMVMessage /

Dependencies

DBMS_IREFRESH	DBMS_SNAPSHOT_KKXRCA	DBMS_UTILITY
DBMS_MV	DBMS_SNAPSHOT_UTL	EXPLAINMVARRAYTYPE
DBMS_SNAPSHOT_COMMON	DBMS_SUMMARY	REWRITEARRAYTYPE

Documented Yes: Packages and Types Reference

First Available 8.1.5

Security Model Owned by SYS with EXECUTE granted to PUBLIC

GRANT execute ON sys.RewriteMessage TO PUBLIC;

      GRANT execute ON sys.RewriteArrayType TO PUBLIC;

      GRANT execute ON sys.ExplainMVMessage TO PUBLIC;

      GRANT execute ON sys.ExplainMVArrayType TO PUBLIC;

      GRANT execute ON dbms_snapshot TO uwclass;

Source {ORACLE_HOME}/rdbms/admin/dbmssnap.sql

Subprograms

BEGIN_TABLE_REORGANIZATION	PMARKER	REFRESH_MV
DROP_SNAPSHOT	PURGE_DIRECT_LOAD_LOG	REGISTER_MVIEW
END_TABLE_REORGANIZATION	PURGE_LOG	REGISTER_SNAPSHOT
ESTIMATE_MVIEW_SIZE	PURGE_MVIEW_FROM_LOG	SET_I_AM_A_REFRESH
EXPLAIN_MVIEW	PURGE_SNAPSHOT_FROM_LOG	SET_UP
EXPLAIN_REWRITE	REFRESH	TESTING
EXPLAIN_REWRITE_SQLID	REFRESH_ALL	UNREGISTER_MVIEW
GET_LOG_AGE	REFRESH_ALL_MVIEWS	UNREGISTER_SNAPSHOT
GET_MV_DEPENDENCIES	REFRESH_DEPENDENT	WRAP_UP
I_AM_A_REFRESH

BEGIN_TABLE_REORGANIZATION

Performs a process to preserve materialized view data needed for refresh dbms_snapshot.begin_table_reorganization( tabowner IN VARCHAR2, tabname IN VARCHAR2);

exec dbms_snapshot.begin_table_reorganization('UWCLASS', MV_COMPLEX');

DROP_SNAPSHOT

Deprecated in v8 but available for backward compatibility dbms_snapshot.drop_snapshot( mowner IN VARCHAR2, master IN VARCHAR2, snapshot IN DATE);

Deprecated

END_TABLE_REORGANIZATION

Ensures that the materialized view data for the master table is valid and that the master table is in the proper state dbms_snapshot.end_table_reorganization( tabowner IN VARCHAR2, tabname IN VARCHAR2);

exec dbms_snapshot.end_table_reorganization('UWCLASS', 'MV_COMPLEX');

ESTIMATE_MVIEW_SIZE

Estimates the size of a materialized view that you might create, in bytes and rows dbms_snapshot.estimate_mview_size( stmt_id IN VARCHAR2, select_clause IN VARCHAR2, num_rows OUT NUMBER, num_bytes OUT NUMBER);

set serveroutput on

      

      DECLARE

       out_rows   NUMBER;

       out_bytes  NUMBER;

      BEGIN

        dbms_snapshot.estimate_mview_size('abc',

        'SELECT srvr_id FROM servers s WHERE EXISTS (SELECT srvr_id

        FROM serv_inst i WHERE s.srvr_id = i.srvr_id)', out_rows, out_bytes);

      

        dbms_output.put_line(out_rows);

        dbms_output.put_line(out_bytes);

      END;

      /

EXPLAIN_MVIEW

Explains what is possible with a materialized view or potential materialized view

Overload 1 dbms_snapshot.explain_mview( mv IN VARCHAR2, stmt_id IN VARCHAR2:= NULL);

Note: You must run the utlxmv.sql script to create MV_CAPABILITIES_TABLE in the current schema prior to calling EXPLAIN_MVIEW except when you direct output to a VARRAY.
      The script is found in the admin directory.

      

      SQL> @?/rdbms/admin/utlxmv.sql

      

      desc mv_capabilities_table

      

      CREATE MATERIALIZED VIEW mv_complex

      TABLESPACE uwdata

      REFRESH COMPLETE

      START WITH SYSDATE

      NEXT SYSDATE + 1

      AS SELECT s.srvr_id, i.installstatus, COUNT(*)

      FROM servers s, serv_inst i

      WHERE s.srvr_id = i.srvr_id

      GROUP BY s.srvr_id, i.installstatus;

      

      exec dbms_snapshot.explain_mview('MV_COMPLEX');

      

      SELECT capability_name, possible

      FROM mv_capabilities_table;

Overload 2 dbms_snapshot.explain_mview( mv IN CLOB, stmt_id IN VARCHAR2 := NULL);

TRUNCATE TABLE mv_capabilities_table;

      

      DECLARE

       mv CLOB := 'CREATE MATERIALIZED VIEW mv_rewrite TABLESPACE uwdata

       REFRESH ON DEMAND ENABLE QUERY REWRITE AS SELECT s.srvr_id,

       i.installstatus, COUNT(*) FROM servers s, serv_inst i

       WHERE s.srvr_id = i.srvr_id GROUP BY s.srvr_id, i.installstatus';

      BEGIN

        dbms_snapshot.explain_mview(mv);

      END;

      /

      

      SELECT capability_name, possible

      FROM mv_capabilities_table;

Overload 3 dbms_snapshot.explain_mview( mv IN VARCHAR2, msg_array IN OUT sys.ExplainMVArrayType);

desc sys.ExplainMVArrayType

      

      CREATE TABLE test (

      explaincol sys.ExplainMVArrayType);

      

      DECLARE

       mv VARCHAR2(512) :=
      'CREATE MATERIALIZED VIEW mv_rewrite TABLESPACE uwdata

       REFRESH ON DEMAND ENABLE QUERY REWRITE AS SELECT s.srvr_id,

       i.installstatus, COUNT(*) FROM servers s, serv_inst i

       WHERE s.srvr_id = i.srvr_id GROUP BY s.srvr_id, i.installstatus';

       rset sys.ExplainMVArrayType;

      BEGIN

        dbms_snapshot.explain_mview(mv, rset);

      

        INSERT INTO test

        VALUES

        (rset);

      END;

      /

      

      SELECT * FROM test;

Overload 4 dbms_snapshot.explain_mview( mv IN CLOB, msg_array IN OUT sys.ExplainMVArrayType);

desc sys.ExplainMVArrayType

      

      CREATE TABLE test (

      explaincol sys.ExplainMVArrayType);

      

      DECLARE

       mv CLOB := 'CREATE MATERIALIZED VIEW mv_rewrite TABLESPACE uwdata

       REFRESH ON DEMAND ENABLE QUERY REWRITE AS SELECT s.srvr_id,

       i.installstatus, COUNT(*) FROM servers s, serv_inst i

       WHERE s.srvr_id = i.srvr_id GROUP BY s.srvr_id, i.installstatus';

       rset sys.ExplainMVArrayType;

      BEGIN

        dbms_snapshot.explain_mview(mv, rset);

      

        INSERT INTO test

        VALUES

        (rset);

      END;

      /

      

      SELECT * FROM test;

EXPLAIN_REWRITE

Explains why a query failed to rewrite or why the optimizer chose to rewrite a query with a particular materialized view

Overload 1 dbms_snapshot.explain_rewrite( query IN VARCHAR2, mv IN VARCHAR2 := NULL, statement_id IN VARCHAR2 := NULL);

Note: To obtain the output into a table, you must run the utlxrw.sql script before calling EXPLAIN_REWRITE. This script creates a table named REWRITE_TABLE in the current schema.

      

      SQL> @?/rdbms/admin/utlxrw.sql

      

      desc rewrite_table

      

      DECLARE

       SQLstr VARCHAR2(4000) := 'SELECT s.srvr_id, i.installstatus, COUNT(*)

                                 FROM servers s, serv_inst i

                                 WHERE s.srvr_id = i.srvr_id

                                 GROUP BY s.srvr_id, i.installstatus';

      BEGIN

        dbms_snapshot.explain_rewrite(SQLstr, 'UWCLASS.MV_COMPLEX');

      END;

      /

      

      SELECT query, message

      FROM rewrite_table;

      

      TRUNCATE TABLE rewrite_table;

      

      DECLARE

       SQLstr VARCHAR2(4000) := 'SELECT COUNT(*) FROM serv_inst

                                 WHERE srvr_id = 2 AND installstatus = ''I''';

      BEGIN

        dbms_snapshot.explain_rewrite(SQLstr, 'UWCLASS.MV_COMPLEX');

      END;

      /

      

      SELECT query, message

      FROM rewrite_table;

Overload 2 dbms_snapshot.explain_rewrite( query IN CLOB, mv IN VARCHAR2 := NULL, statement_id IN VARCHAR2 := NULL);

TBD

Overload 3 dbms_snapshot.explain_rewrite( query IN VARCHAR2, mv IN VARCHAR2 := NULL, msg_array IN OUT sys.RewriteArrayType);

TBD

Overload 4 dbms_snapshot.explain_rewrite( query IN CLOB, mv IN VARCHAR2 := NULL, msg_array IN OUT sys.RewriteArrayType);

TBD

EXPLAIN_REWRITE_SQLID

Explain Rewrite user interface using a table for output for implementation in OEM dbms_snapshot.explain_rewrite_sqlid( query IN VARCHAR2, -- SQL to explain mv IN VARCHAR2 := NULL, -- fully qualified MV name statement_id IN VARCHAR2 := NULL, -- a unique identifier for the explain statement sqlid IN VARCHAR2 := NULL); -- OEM SQL_ID of the query

TBD

GET_LOG_AGE

Deprecated in v8 but available for backward compatibility dbms_snapshot.get_log_age( oldest IN OUT DATE, mow IN VARCHAR2, mas IN VARCHAR2);

Deprecated

GET_MV_DEPENDENCIES

Finds the list of materialized view that are directly dependent on the list of tables or materialized views that has been specified dbms_snapshot.get_mv_dependencies( list IN VARCHAR2, deplist OUT VARCHAR2);

TBD

I_AM_A_REFRESH

Returns the value of the I_AM_REFRESH package state dbms_snapshot.i_am_a_refresh RETURN BOOLEAN;

set serveroutput on

      

      BEGIN

        IF dbms_snapshot.i_am_a_refresh THEN

          dbms_output.put_line('TRUE');

        ELSE

          dbms_output.put_line('FALSE');

        END IF;

      END;

      /

      F

      

      PL/SQL procedure successfully completed.

PMARKER

Returns a partition marker from a rowid, and is used for Partition Change Tracking (PCT) dbms_snapshot.pmarker(rid IN ROWID) RETURN NUMBER PARALLEL_ENABLE;

CREATE MATERIALIZED VIEW mv_complex

      TABLESPACE uwdata

      REFRESH COMPLETE

      START WITH SYSDATE

      NEXT SYSDATE + 1

      AS SELECT s.srvr_id, i.installstatus, COUNT(*)

      FROM servers s, serv_inst i

      WHERE s.srvr_id = i.srvr_id

      GROUP BY s.srvr_id, i.installstatus;

      

      SELECT rowid FROM mv_complex;

      

      SELECT dbms_snapshot.pmarker('AAATxjAAEAAAAJtAAS') FROM dual;

      

      DBMS_SNAPSHOT.PMARKER('AAATXJAAEAAAAJTAAS')

      -------------------------------------------

                                            80995

PURGE_DIRECT_LOAD_LOG

Purges rows from the direct loader log after they are no longer needed by any MV dbms_snapshot.purge_direct_load_log;

exec dbms_snapshot.purge_direct_load_log;

PURGE_LOG

Purges rows from the materialized view log dbms_snapshot.purge_log( master IN VARCHAR2, num IN BINARY_INTEGER := 1, flag IN VARCHAR2 := 'NOP');

exec dbms_snapshot.purge_log('SERVERS' ,1, 'DELETE');

PURGE_MVIEW_FROM_LOG

Purges rows from the materialized view log

Overload 1 dbms_snapshot.purge_mview_from_log(mview_id IN BINARY_INTEGER);

CREATE MATERIALIZED VIEW LOG ON servers

      PCTFREE 0
      PCTUSED 99

      TABLESPACE uwdata

      WITH PRIMARY KEY, ROWID, SEQUENCE;

      

      CREATE MATERIALIZED VIEW mv_simple

      TABLESPACE uwdata

      BUILD IMMEDIATE

      REFRESH FAST ON COMMIT AS

      SELECT * FROM servers;

      

      col master format a15

      

      SELECT *

      FROM dba_base_table_mviews

      WHERE owner = 'UWCLASS';

      

      OWNER         MASTER        MVIEW_LAST_REFRESH_T   MVIEW_ID

      ------------- ------------- --------------------- ---------

      UWCLASS       SERVERS       11-AUG-2023 10:31:07         15

      

      exec dbms_snapshot.purge_mview_from_log(23);

      

      PL/SQL procedure successfully completed.

Purges rows from the materialized view log

Overload 2 dbms_snapshot.purge_mview_from_log( mviewowner IN VARCHAR2, mviewname IN VARCHAR2, mviewsite IN VARCHAR2);

CREATE MATERIALIZED VIEW LOG ON servers

      PCTFREE 0
      PCTUSED 99

      TABLESPACE uwdata

      WITH PRIMARY KEY, ROWID, SEQUENCE;

      

      CREATE MATERIALIZED VIEW mv_simple

      TABLESPACE uwdata

      BUILD IMMEDIATE

      REFRESH FAST ON COMMIT AS

      SELECT * FROM servers;

      

      col master format a15

      

      SELECT *

      FROM dba_base_table_mviews

      WHERE owner = 'UWCLASS';

      

      OWNER         MASTER        MVIEW_LAST_REFRESH_T   MVIEW_ID

      ------------- ------------- --------------------- ---------

      UWCLASS       SERVERS       11-AUG-2023 11:02:27         16

      

      

      desc dba_registered_mviews

      

      col mview_site format a15

      

      SELECT name, mview_site, mview_id

      FROM dba_registered_mviews

      WHERE owner = 'UWCLASS';

      

      NAME           MVIEW_SITE   MVIEW_ID

      -------------- ----------- ---------

      MV_SIMPLE      ORABASE            62

      

      exec dbms_snapshot.purge_mview_from_log('UWCLASS', 'MV_SIMPLE', 'ORABASE');

      

      PL/SQL procedure successfully completed.

      

      exec dbms_snapshot.register_mview('UWCLASS', 
      'MV_SIMPLE', 'ORABASE', SYSDATE,

                                         dbms_mview.reg_rowid_mview,

                                        'SELECT * FROM MV_SIMPLE');

      

      PL/SQL procedure successfully completed.

PURGE_SNAPSHOT_FROM_LOG

Legacy technology for purging snapshot logs. Deprecated as of 19c.
Overload 1 dbms_snapshot.purge_snapshot_from_log(snapshot_id IN BINARY_INTEGER);

Deprecated

Deprecated as of 19c.

Overload 2 dbms_snapshot.purge_snapshot_from_log( snapowner IN VARCHAR2, snapname IN VARCHAR2, snapsite IN VARCHAR2);

Deprecated

REFRESH

Refreshes one or more materialized views that are not members of the same refresh group

Overload 1 dbms_snapshot.refresh( list IN VARCHAR2, method IN VARCHAR2 := NULL, rollback_seg IN VARCHAR2 := NULL, push_deferred_rpc IN BOOLEAN := TRUE, refresh_after_errors IN BOOLEAN := FALSE, purge_option IN BINARY_INTEGER := 1, -- valid values 0, 1, 2 parallelism IN BINARY_INTEGER := 0, heap_size IN BINARY_INTEGER := 0, atomic_refresh IN BOOLEAN := TRUE, nested IN BOOLEAN := FALSE, out_of_place IN BOOLEAN := FALSE, skip_ext_data IN BOOLEAN := FALSE);

exec dbms_snapshot.refresh(list => 'UWCLASS.MV_SIMPLE',

                                 method => 'C', 
      

                                 push_deferred_rpc => FALSE,

                                 refresh_after_errors => FALSE,

                                 purge_option => 2,

                                 parallelism => 8,

                                 heap_size => 1,

                                 atomic_refresh => TRUE);

      

      PL/SQL procedure successfully completed.

BEGIN

        FOR mvRec IN (

          SELECT owner, mview_name

          FROM dba_mviews

          WHERE refresh_mode = 'DEMAND'

          AND owner NOT IN (

            SELECT username

            FROM dba_users

            WHERE oracle_maintained = 'Y')) LOOP

          dbms_snapshot.refresh(mvRec.owner ||'.'|| mvRec.mview_name);

        END LOOP;

      END mv_force_refresh;

      /

      

      PL/SQL procedure successfully completed.

Refreshes one or more materialized views that are not members of the same refresh group

Overload 2 dbms_snapshot.refresh( tab IN dbms_utility.uncl_array, method IN VARCHAR2 := NULL, rollback_seg IN VARCHAR2 := NULL, push_deferred_rpc IN BOOLEAN := TRUE, refresh_after_errors IN BOOLEAN := FALSE, purge_option IN BINARY_INTEGER := 1, parallelism IN BINARY_INTEGER := 0, heap_size IN BINARY_INTEGER := 0, atomic_refresh IN BOOLEAN := TRUE, nested IN BOOLEAN := FALSE, out_of_place IN BOOLEAN := FALSE, skip_ext_data IN BOOLEAN := FALSE);

TBD

REFRESH_ALL

Refresh all snapshots due to be refreshed dbms_snapshot.refresh_all;

exec dbms_snapshot.refresh_all;

REFRESH_ALL_MVIEWS

Refreshes all materialized views that do not reflect changes to their master table or master materialized view dbms_snapshot.refresh_all_mviews( number_of_failures OUT BINARY_INTEGER, method IN VARCHAR2 := NULL, rollback_seg IN VARCHAR2 := NULL, refresh_after_errors IN BOOLEAN := FALSE, atomic_refresh IN BOOLEAN := TRUE, out_of_place IN BOOLEAN := FALSE, skip_ext_data IN BOOLEAN := FALSE);

DECLARE

       outVal BINARY_INTEGER;

      BEGIN

        dbms_snapshot.refresh_all_mviews(outVal);

        dbms_output.put_line(outVal);

      END;

      /

REFRESH_DEPENDENT

Refreshes all table-based materialized views that depend on a specified master table or master materialized view, or list of master tables or master materialized views

Overload 1 dbms_snapshot.refresh_dependent( number_of_failures OUT BINARY_INTEGER, list IN VARCHAR2, method IN VARCHAR2 := NULL, rollback_seg IN VARCHAR2 := NULL, refresh_after_errors IN BOOLEAN := FALSE, atomic_refresh IN BOOLEAN := TRUE, nested IN BOOLEAN := FALSE, out_of_place IN BOOLEAN := FALSE, skip_ext_data IN BOOLEAN := FALSE);

TBD

Refreshes all table-based materialized views that depend on a specified master table or master materialized view, or list of master tables or master materialized views

Overload 2 dbms_snapshot.refresh_dependent( number_of_failures OUT BINARY_INTEGER, tab IN dmbs_utility.uncl_array, method IN VARCHAR2 := NULL, rollback_seg IN VARCHAR2 := NULL, refresh_after_errors IN BOOLEAN := FALSE, atomic_refresh IN BOOLEAN := TRUE, nested IN BOOLEAN := FALSE, out_of_place IN BOOLEAN := FALSE, skip_ext_data IN BOOLEAN := FALSE);

TBD

REFRESH_MV

Internal Procedure ONLY. DO NOT USE DIRECTLY. The added parameter 'resources' for internal parallel resource load balancing dbms_snapshot.refresh_mv( pipename IN VARCHAR2, mv_index IN BINARY_INTEGER, owner IN VARCHAR2, name IN VARCHAR2, method IN VARCHAR2, rollseg IN VARCHAR2, atomic_refresh IN BINARY_INTEGER, out_of_place IN BINARY_INTEGER, skip_ext_data IN BINARY_INTEGER, env IN BINARY_INTEGER, resources IN BINARY_INTEGER DEFAULT 0, refresh_id IN NUMBER);

TBD

REGISTER_MVIEW

Enables the administration of individual materialized views

Overload 1 dbms_snapshot.register_mview( mviewowner IN VARCHAR2, mviewname IN VARCHAR2, mviewsite IN VARCHAR2, mview_id IN DATE, flag IN BINARY_INTEGER, qry_txt IN VARCHAR2, rep_type IN BINARY_INTEGER := dbms_snapshot.reg_unknown);

See PURGE_MVIEW_FROM_LOG Overload 2 Above

Enables the administration of individual materialized views

Overload 2 dbms_snapshot.register_mview( mviewowner IN VARCHAR2, mviewname IN VARCHAR2, mviewsite IN VARCHAR2, mview_id IN BINARY_INTEGER, flag IN BINARY_INTEGER, qry_txt IN VARCHAR2, rep_type IN BINARY_INTEGER := dbms_snapshot.reg_unknown);

TBD

REGISTER_SNAPSHOT

Internal Procedure ONLY. DO NOT USE DIRECTLY. Deprecated as of 19c.

Overload 1 dbms_snapshot.register_snapshot( snapowner IN VARCHAR2, snapname IN VARCHAR2, snapsite IN VARCHAR2, snapshot_id IN DATE, flag IN BINARY_INTEGER, qry_txt IN VARCHAR2, rep_type IN BINARY_INTEGER := dbms_snapshot.reg_unknown);

Deprecated

Deprecated as of 19c.

Overload 2 dbms_snapshot.register_snapshot( snapowner IN VARCHAR2, snapname IN VARCHAR2, snapsite IN VARCHAR2, snapshot_id IN BINARY_INTEGER, flag IN BINARY_INTEGER, qry_txt IN VARCHAR2, rep_type IN BINARY_INTEGER := dbms_snapshot.reg_unknown);

Deprecated

SET_I_AM_A_REFRESH

Disables or enables snapshot replication trigger at the local snapshot site dbms_snapshot.set_i_am_a_refresh(value IN BOOLEAN);

-- run the I_AM_A_REFRESH first to determine the current package value

      exec dbms_snapshot.set_i_am_a_refresh(TRUE);

SET_UP

Deprecated in v8 but available for backward compatibility dbms_snapshot.register_set_up( mowner IN VARCHAR2, master IN VARCHAR2, log IN OUT VARCHAR2, snapshot IN OUT DATE, snaptime IN OUT DATE);

Deprecated

TESTING

Deprecated in v8 but available for backward compatibility dbms_snapshot.testing;

Deprecated

UNREGISTER_MVIEW

Enables the administration of individual materialized views once invoked at a master site or master materialized view site to unregister a materialized view dbms_snapshot.unregister_mview( mviewowner IN VARCHAR2, mviewname IN VARCHAR2, mviewsite IN VARCHAR2);

TBD

UNREGISTER_SNAPSHOT

Enables the administration of individual snapshots (pre MV). Deprecated as of 19c. dbms_snapshot.unregister_snapshot( snapowner IN VARCHAR2, snapname IN VARCHAR2, snapsite IN VARCHAR2);

Deprecated

WRAP_UP

Deprecated in v8 but available for backward compatibility dbms_snapshot.wrap_up( mowner IN VARCHAR2, master IN VARCHAR2, sshot IN DATE, stime IN DATE);

Deprecated