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Results for LCRs


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

Managing Logical Change Records (LCRs)

Executing LCRsThere are separate EXECUTE member procedures for row LCRs and DDL LCRs. These member procedures … row LCRs and DDL LCRs: Executing Row LCRs Executing DDL LCRs

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

Managing Logical Change Records (LCRs)

Constructing and Enqueuing LCRsUse the following LCR constructors to create LCRs: To create a row LCR that contains a change to a … process, because the apply process will be applying persistent LCRs, not captured LCRs. Also, ensure … LCR constructors Create and enqueue LCRs using the construct_row_lcr procedure created in Step 5. In

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

Managing Logical Change Records (LCRs)

Executing Row LCRsThe EXECUTE member procedure for row LCRs is a subprogram of the LCR$_ROW_RECORD type. When the … LCRs\" \"Managing a DML Handler\" for an example of a DML handler that runs the EXECUTE member … procedure on row LCRs Oracle Database PL/SQL Packages and Types Reference for more information about row … LCRs and

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

Managing Logical Change Records (LCRs)

Requirements for Managing LCRsThis section describes requirements for creating or modifying logical change records (LCRs). You … an apply handler or a rule-based transformation. You can modify captured LCRs or persistent LCRs … -constructed row LCR. However, you can use certain techniques to construct LCRs that contain LOB information … .

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

Managing Logical Change Records (LCRs)

Executing DDL LCRsThe EXECUTE member procedure for DDL LCRs is a subprogram of the LCR$_DDL_RECORD type. When the … would be run for the LCR are not run. The EXECUTE member procedure for DDL LCRs can be invoked only … in an apply handler for an apply process. All applied DDL LCRs commit automatically. Therefore, if a … automatically. See Also:

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

Oracle Streams Information Capture

Logical Change Records (LCRs)LCRs: row LCRs and DDL LCRs. A capture process, synchronous capture, or an application can capture … LCRs. You can capture the following types of LCRs with Oracle Streams: A captured LCR is an LCR that … the DBMS_APPLY_ADM package There are no differences between persistent LCRs that

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

XML Schema for LCRs

C XML Schema for LCRsGo to main content 47/51 C XML Schema for LCRs The XML schema described in this appendix defines … for LCRs. The namespace for this schema is the following: http://xmlns.oracle.com/streams/schemas … Definition of the XML Schema for LCRs The following is the XML schema definition for LCRs: '

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

What's New in Oracle Streams?

Track LCRs Through a Stream$STREAMS_MESSAGE_TRACKING view to track the LCRs through the stream and see how they were processed by … each Oracle Streams client. LCR tracking is useful if LCRs are not being applied as expected by one … or more apply processes. When this happens, you can use LCR tracking to determine where the LCRs … message_tracking_frequency

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

Monitoring Oracle Streams Replication

Tracking LCRs Through a Streamcapture database changes implicitly. An application or user can construct and enqueue LCRs to … $STREAMS_MESSAGE_TRACKING view to track the LCRs through the stream and see how they were processed by each Oracle Streams … client. LCR tracking is useful if LCRs are not being applied as expected by one or more apply … processes.

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

Managing Logical Change Records (LCRs)

Managing LCRs Containing LOB ColumnsLOB data types can be present in row LCRs captured by a capture process, but these data types are … represented by other data types. LOB data types cannot be present in row LCRs captured by synchronous … captures. Certain LOB data types cannot be present in row LCRs constructed by users. Table 11-1 … LCRs. Table

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

Understanding Oracle Streams Replication

Apply Processing Options for LCRsAn apply process is a flexible mechanism for processing the logical change records (LCRs) in a … LCRs, not non-LCR user messages. This section discusses the LCR processing options available to you … with an apply process. Captured LCRs and Persistent LCRs A single apply process can apply messages from … contains

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

Managing Logical Change Records (LCRs)

11 Managing Logical Change Records (LCRs)This chapter contains instructions for managing logical change records (LCRs) in an Oracle Streams … replication environment. This chapter contains these topics: Requirements for Managing LCRs … Constructing and Enqueuing LCRs Executing LCRs Managing LCRs Containing LOB Columns Managing LCRs

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

Managing Logical Change Records (LCRs)

Requirements for Constructing and Processing LCRs Containing LOB ColumnsIf your environment produces row LCRs that contain LOB columns, then you must meet the requirements … in the following sections when you construct or process these LCRs: Requirements for Constructing … and Processing LCRs Without LOB Assembly Requirements for Apply Handler Processing of LCRs with LOB … Assembly

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

Managing Logical Change Records (LCRs)

LOB Assembly and Custom Apply of LCRs Containing LOB Columnsa change to a row that includes one or more LOB columns can result in multiple row LCRs. An apply … process that does not send row LCRs that contain LOB columns to an apply handler can apply these row … LCRs directly. However, prior to Oracle Database 10 g Release 2, custom processing of row LCRs that … LCRs

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

Managing Logical Change Records (LCRs)

Example Script for Constructing and Enqueuing LCRs Containing LOBsLCRs containing LOBs. This example assumes that you have prepared your database for Oracle Streams … Necessary Privileges on the Tables Create a PL/SQL Procedure to Enqueue LCRs Containing LOBs Create the … with_blob TO strmadmin; COMMIT; /* Step 8   Create a PL/SQL Procedure to Enqueue LCRs Containing LOBs

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

Managing Logical Change Records (LCRs)

Apply Process Behavior for Direct Apply of LCRs Containing LOBsAn apply process behaves in the following ways when it applies an LCR that contains a LOB column directly (without the use of an apply handler): If an LCR whose command type is INSERT or UPDATE has a new LOB that contains data, and the lob_information is not DBMS_LCR.LOB_CHUNK or DBMS_LCR.LAST_LOB_CHUNK, then the data is applied. If an LCR whose command type is INSERT or UPDATE has a new LOB that

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

Managing Logical Change Records (LCRs)

Managing LCRs Containing LONG or LONG RAW ColumnsLONG and LONG RAW data types all can be present in row LCRs captured by a capture process, but … these data types are represented by the following data types in row LCRs. LONG data type is represented … as VARCHAR2 data type in row LCRs. LONG RAW data type is represented as RAW data type in row LCRs. A … LCRs.

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

Managing Capture, Propagation, and Apply

Creating an ANYDATA Queue to Stage LCRsIn an Oracle Streams replication environment, ANYDATA queues stage LCRs that encapsulate captured

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

Managing Oracle Streams Implicit Capture

Excluding Extra Attributes from Implicitly LCRsTo exclude an extra attribute from the LCRs captured by a capture process or synchronous capture

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

Configuring Implicit Apply

Creating an Apply Process for Captured LCRs: Creates an apply process named strm01_apply that applies captured LCRs to the local database. The apply … system generated. Creates one rule that evaluates to TRUE for row LCRs that contain the results of … apply process. Specifies that the LCRs applied by the apply process originate at the dbs1.example.com