Oracle DBMS_HETEROGENEOUS_SNAPSHOT
Version 18.3.0.1

General Information
Library Note Morgan's Library Page Header
For how many years have you been working with physical servers that are starving your database of the memory necessary to deploy important new performance features such as the Result Cache, Memoptimize Pool, In-Memory Aggregation, In-Memory Column Store, and Full Database Caching? Too long? Contact me to learn how to improve all queries ... not just some queries.
Purpose Administrative API that allows users to create, delete, and refresh snapshots at Foreign DataStores (FDS) through heterogeneous services.
AUTHID DEFINER
Dependencies STANDARD Only
Documented No
First Available Not Known
Security Model Owned by SYS with EXECUTE granted to the EXECUTE_CATALOG_ROLE role
Source {ORACLE_HOME}/rdbms/admin/dbmshssn.sql
Subprograms
 
CREATE_HS_SNAPSHOT_REGROUP
Create an FDS snapshot object group and register it at the local master dbms_heterogeneous_snapshot.create_hs_snapshot_repgroup(
gname    IN VARCHAR2,
fds_link IN VARCHAR2,
comment  IN VARCHAR2 := '');
TBD
 
CREATE_HS_SNAPSHOT_REPOBJECT
Create a FDS snapshot and add it to the specified object group dbms_heterogeneous_snapshot.create_hs_snapshot_repobject(
gname               IN VARCHAR2,
oname               IN VARCHAR2,
fds_link            IN VARCHAR2,
definition_query    IN VARCHAR2,
updatable           IN BOOLEAN,
snapshot_type       IN VARCHAR2 := 'PRIMARY KEY',
refresh_method      IN VARCHAR2 := 'FORCE',
mas_roll_seg        IN VARCHAR2 := '',
use_existing_object IN BOOLEAN  := TRUE,
comment             IN VARCHAR2 := '',
sname               IN VARCHAR2 := '');
TBD
 
DROP_HS_SNAPSHOT_REPGROUP
Removes an FDS object group from the local master dbms_heterogeneous_snapshot.drop_hs_snapshot_repgroup(
gname         IN VARCHAR2,
fds_link      IN VARCHAR2,
drop_contents IN BOOLEAN := FALSE);
TBD
 
DROP_HS_SNAPSHOT_REPOBJECT
Remove the specified snapshot from the object group dbms_heterogeneous_snapshot.drop_hs_snapshot_repobject(
gname         IN VARCHAR2,
oname         IN VARCHAR2,
fds_link      IN VARCHAR2,
drop_contents IN BOOLEAN  := FALSE,
sname         IN VARCHAR2 := '');
TBD
 
REFRESH_HS_SNAPSHOT_REPGROUP
Perform a consistent refresh of all FDS snapshots in the specified group dbms_heterogeneous_snapshot.refresh_hs_snapshot_repgroup(gname IN VARCHAR2,
fds_link             IN VARCHAR2,
refresh_method       IN VARCHAR2 := '',
refresh_after_errors IN BOOLEAN  := FALSE);
TBD
 
REFRESH_HS_SNAPSHOT_REPOBJECT
Perform a consistent refresh of the specified set of FDS snapshots dbms_heterogeneous_snapshot.refresh_hs_snapshot_repobject(
gname                IN VARCHAR2,
fds_link             IN VARCHAR2,
snapshots            IN VARCHAR2,
refresh_method       IN VARCHAR2 := '',
refresh_after_errors IN BOOLEAN  := FALSE);
TBD

Related Topics
Built-in Functions
Built-in Packages
What's New In 18cR3
What's New In 19cR2

Morgan's Library Page Footer
This site is maintained by Dan Morgan. Last Updated: This site is protected by copyright and trademark laws under U.S. and International law. © 1998-2019 Daniel A. Morgan All Rights Reserved