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Database PL/SQL Packages and Types Reference, 11g Release 1 (11.1)

DBMS_AQADM

Propagation SubprogramsTable 22-7 Propagation Subprograms Subprograms Description ALTER_PROPAGATION_SCHEDULE Procedure … Alters parameters for a propagation schedule DISABLE_PROPAGATION_SCHEDULE Procedure Disables a … propagation schedule ENABLE_PROPAGATION_SCHEDULE Procedure Enables a previously disabled propagation … schedule SCHEDULE_PROPAGATION

Database PL/SQL Language Reference, 11g Release 1 (11.1)

List of Figures

List of FiguresPackage Scope 11-1 Propagation Rules: Example 1 11-2 Propagation Rules: Example 2 11-3 Propagation Rules: Example 3

Database PL/SQL Language Reference, 11g Release 1 (11.1)

Handling PL/SQL Errors

How PL/SQL Exceptions PropagateProcedure). Figure 11-1, Figure 11-2, and Figure 11-3 illustrate the basic propagation rules. Figure … 11-1 Propagation Rules: Example 1 Description of \"Figure 11-1 Propagation Rules: Example 1 … \" Figure 11-2 Propagation Rules: Example 2 Description of \"Figure 11-2 Propagation Rules: Example 2

Streams Concepts and Administration, 11g Release 1 (11.1)

Oracle Streams Staging and Propagation

Propagation JobsAn Oracle Streams propagation is configured internally using Oracle Scheduler. Therefore, a … propagation job is a job that propagates message s from a source queue to a destination queue. Like other … Oracle Scheduler jobs, propagation jobs have an owner, and they use slave processes ( j nnn ) as … needed to execute jobs. The

Streams Concepts and Administration, 11g Release 1 (11.1)

Oracle Streams Restrictions

Propagation Restrictionsfor Queue-To-Queue Propagations See Also: \"Message Propagation Between Queues\"

Streams Concepts and Administration, 11g Release 1 (11.1)

Oracle Streams Staging and Propagation

Propagation RulesA propagation either propagates or discards message s based on rule s that you define. For LCR s … . For user message s, you can create rules to control propagation behavior for specific types of … messages. You can place these rules in a positive rule set or a negative rule set used by the propagationpropagation,

Streams Replication Administrator's Guide, 11g Release 1 (11.1)

Understanding Oracle Streams Replication

LCR PropagationIn an Oracle Streams replication environment, a propagation typically propagates LCRs from a queue … queues. Figure 1-6 Propagation from a Source Queue to a Destination Queue Description of \"Figure 1-6 … Propagation from a Source Queue to a Destination Queue\" Even after an LCR is propagated by a … propagation

Streams Replication Administrator's Guide, 11g Release 1 (11.1)

Best Practices for Propagation

Set the Propagation Latency for Each PropagationPropagation latency is the maximum wait, in seconds, in the propagation window for a message to be … propagated after it is enqueued. Set the propagation latency to an appropriate value for each … propagation in your Oracle Streams replication environment. The default propagation latency value is 60

Streams Replication Administrator's Guide, 11g Release 1 (11.1)

Best Practices for Propagation

Best Practices for Propagation ConfigurationPropagations Set the Propagation Latency for Each Propagation Increase the SDU in a Wide Area Network for Better Network Performance

Streams Replication Administrator's Guide, 11g Release 1 (11.1)

Best Practices for Propagation

17 Best Practices for Propagationenvironment. This chapter includes these topics: Best Practices for Propagation Configuration Best … Practices for Propagation Operation See Also: \"Best Practices for Oracle Real Application Clusters and Oracle Streams\"

Streams Replication Administrator's Guide, 11g Release 1 (11.1)

Best Practices for Propagation

Use Queue-to-Queue PropagationsA propagation can be queue-to-queue or queue-to-database link (queue-to-dblink). Use queue-to-queue … propagations whenever possible. A queue-to-queue propagation always has its own exclusive … propagation job to propagate messages from the source queue to the destination queue. Because each … propagation job

Streams Concepts and Administration, 11g Release 1 (11.1)

Managing Staging and Propagation

Removing a QueueYou use the REMOVE_QUEUE procedure in the DBMS_STREAMS_ADM package to remove an existing ANYDATA queue. When you run the REMOVE_QUEUE procedure, it waits until any existing message s in the queue are consumed. Next, it stops the queue, which means that no further enqueues into the queue or dequeues from the queue are allowed. When the queue is stopped, it drops the queue. You can also drop the queue

Streams Concepts and Administration, 11g Release 1 (11.1)

Managing Staging and Propagation

Managing Oracle Streams Propagations and Propagation JobsA propagation propagates message s from an Oracle Streams source queue to an Oracle Streams … Propagation Stopping a Propagation Altering the Schedule of a Propagation Job Specifying the Rule Set for … a Propagation Adding Rules to the Rule Set for a Propagation Removing a Rule from

Streams Concepts and Administration, 11g Release 1 (11.1)

Managing Staging and Propagation

Altering the Schedule of a Propagation JobTo alter the schedule of an existing propagation job, use the ALTER_PROPAGATION_SCHEDULE procedure … propagation job for a queue-to-queue propagation and for a queue-to-dblink propagation. These examples … set the propagation job to propagate message s every 15 minutes (900 seconds), with each propagation

Streams Concepts and Administration, 11g Release 1 (11.1)

Managing Staging and Propagation

Removing a Rule from the Rule Set for a PropagationYou remove a rule from the rule set for an existing propagation by running the REMOVE_RULE … departments3 from the positive rule set of a propagation named strm01_propagation. BEGIN … DBMS_STREAMS_ADM.REMOVE_RULE( rule_name => 'departments3', streams_type => 'propagation', streams_name … for the propagation, not

Streams Replication Administrator's Guide, 11g Release 1 (11.1)

Best Practices for Propagation

Increase the SDU in a Wide Area Network for Better Network PerformanceWhen using Oracle Streams propagation in a Wide Area Network (WAN), increase the session data unit … (SDU) to improve the propagation performance. The maximum value for SDU is 32K (32767). The SDU … advantage of an increased SDU for Oracle Streams propagation, the receiving side sqlnet.ora file must … parameters in the listener.ora

Streams Concepts and Administration, 11g Release 1 (11.1)

Managing Staging and Propagation

15 Managing Staging and PropagationThe following topics describe managing ANYDATA queue s and propagation s: Managing Queues Managing … Oracle Streams Propagations and Propagation Jobs Each task described in this chapter should be … specified otherwise. See Also: Chapter 3, \"Oracle Streams Staging and Propagation\" \"Configuring an … Propagations and Propagation

Streams Concepts and Administration, 11g Release 1 (11.1)

Managing Staging and Propagation

Enabling a User to Perform Operations on a Secure QueueFor a user to perform queue operations, such as enqueue and dequeue, on a secure queue, the user must be configured as a secure queue user of the queue. If you use the SET_UP_QUEUE procedure in the DBMS_STREAMS_ADM package to create the secure queue, then the queue owner and the user specified by the queue_user parameter are configured as secure users of the queue automatically. If you want to enable

Streams Concepts and Administration, 11g Release 1 (11.1)

Managing Staging and Propagation

Starting a Propagationpropagation. For example, the following procedure starts a propagation named strm01_propagation

Streams Concepts and Administration, 11g Release 1 (11.1)

Managing Staging and Propagation

Adding Rules to the Rule Set for a PropagationTo add rule s to the rule set of a propagation, you can run one of the following procedures … rule set for a propagation. The ADD_SUBSET_PROPAGATION_RULES procedure can add rules only to the … positive rule set for a propagation. This section contains these topics: Adding Rules to the Positive … Rule Set for a Propagation