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Oracle Streams Schema replication
Oracle Tips by Burleson Consulting |
Oracle RAC has always had a latency issue when
the RAC nodes are geographically distributed. In these cases, many
shops use Oracle Streams from back-and-forth replication.
Oracle Streams is cheaper (licensing costs)
than RAC and Oracle Streams allows for back-and-forth replication
between two active production servers. Here is a sample Oracle
Streams schema replication job:
BEGIN
DBMS_STREAMS_ADM.MAINTAIN_SCHEMAS(
schema_names => ' cip_history, cip_schema_07',
source_directory_object => 'SOURCE_DIRECTORY',
destination_directory_object => 'DEST_DIRECTORY',
source_database => ' cipgt.gov.com',
destination_database => ' cipprovo.gov.com',
perform_actions => true,
dump_file_name => 'export_ cip2.dmp',
capture_queue_table => 'rep_capture_queue_table',
capture_queue_name => 'rep_capture_queue',
capture_queue_user => NULL,
apply_queue_table => 'rep_dest_queue_table',
apply_queue_name => 'rep_dest_queue',
apply_queue_user => NULL,
capture_name => 'capture_ cip',
propagation_name => 'prop_ cip',
apply_name => 'apply_ cip',
log_file => 'export_ cip2.clg',
bi_directional => true,
include_ddl => true,
instantiation => DBMS_STREAMS_ADM.INSTANTIATION_SCHEMA);
END;
/
Here are my notes on Oracle Streams schema
replication:
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