TAILIEUCHUNG - Oracle PL/SQL Language Pocket Reference- P30

Oracle PL/SQL Language Pocket Reference- P30: This pocket guide features quick-reference information to help you use Oracle's PL/SQL language. It includes coverage of PL/SQL features in the newest version of Oracle, Oracle8i. It is a companion to Steven Feuerstein and Bill Pribyl's bestselling Oracle PL/SQL Programming. Updated for Oracle8, that large volume (nearly 1,000 pages) fills a huge gap in the Oracle market, providing developers with a single, comprehensive guide to building applications with PL/SQL and building them the right way. . | Oracle cannot automatically resolve such inconsistencies but it does flag entries in the DBA_2PC_PENDING view by setting the MIXED column to yes. When the database administrator is sure that any inconsistencies for a transaction have been resolved he or she can call the PURGE_MIXED procedure. 4 The specification is 4 For more information on this topic see Manually Overriding In-Doubt Transactions in Oracle8 Server Distributed Systems . PROCEDURE xid VARCHAR2 The PURGE_LOST_DB procedure The PURGE_LOST_DB procedure deletes information about a given in-doubt distributed transaction that has had mixed outcomes due to a lost database. This occurs when an in-doubt distributed transaction is able to commit or roll back on one node and other nodes have either destroyed or recreated their databases. Oracle cannot automatically resolve such inconsistencies as described in PURGE_MIXED. The specification is PROCEDURE xid VARCHAR2 The LOCAL_TRANSACTION_ID function The LOCAL_TRANSACTION_ID function returns the unique identifier for the current transaction. The function returns NULL if there is no current transaction. The specification is FUNCTION create_transaction BOOLEAN false RETURN VARCHAR2 The STEP_ID function The STEP_ID function returns the unique positive integer that orders the DML operations of the current transaction. The specification is FUNCTION RETURN VARCHAR2 Previous DBMS_SQL DBMS_SQL Oracle PL SQL Programming 2nd Edition Book Index Next DBMS_UTILITY DBMS_UTILITY The Oracle Library Navigation Copyright c 2000 O Reilly Associates. All rights reserved. Next UTL_FILE Previous DBMS_TRANSACTION Appendix C Built-In Packages DBMS_UTILITY The DBMS_UTILITY package includes several utility modules you might find useful when managing objects in the database. The ANALYZE_SCHEMA procedure .

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