Oracle Built−in Packages- P121 potx

... job CURRENT_SESSION_LABEL RAW MLSLABEL Trusted Oracle session label for the job CLEARANCE_HI RAW MLSLABEL Trusted Oracle high clearance for the job CLEARANCE_LO RAW MLSLABEL Trusted Oracle low clearance for the

Ngày tải lên: 07/07/2014, 00:20

... 1. Introduction Contents: The Power of Built−in Packages Built−in Packages Covered in This Book Using Built−in Packages Examining Built−in Package Source Code Ah, for the good old ... 7 of the Oracle Server) and then, most recently, PL /SQL Version 8.0 (to accompany Oracle8 ). In each major version and its sub−releases (2.1, 2.2, 2.3, and, sometime in 1998, 8.1), Oracle has ... −...

Ngày tải lên: 07/07/2014, 00:20

... point Oracle sets aside memory for a cursor data area and then returns a pointer to that area. These pointers are different from the cursors defined by other elements of Oracle, such as the Oracle ... be terminated with a semicolon unless it is a PL/SQL block. language_flag A flag determing how Oracle will handle the statement. Valid options are DBMS_SQL.V6, DBMS_SQL.V7, and DBMS_SQL.N...

Ngày tải lên: 07/07/2014, 00:20

... many users, so the general usefulness of unpack_to_tbl and pack_from_tbl will have to wait until Oracle fixes these PL/SQL memory management problems. NOTE: The problem caused by unpacking messages ... with more than a few items in them can result in a very large PL/SQL table that has been fixed in Oracle PL/SQL8. 3.1.7.3.2 The peek procedure Developers or DBAs working with and testing DB...

Ngày tải lên: 07/07/2014, 00:20

... a lockhandle or an integer lock identifier. The test yielded the following results on a Personal Oracle7 database with no other activity: SQL> @l2 Using lockhandles: 9.57 secs Using lockids: ... together a number of best practices for using the DBMS_LOCK package. 4.1.3.1 Named locks or lock ids? Oracle provides two methods of identifying and manipulating user locks: integer lock identif...

Ngày tải lên: 07/07/2014, 00:20

Ngày tải lên: 07/07/2014, 00:20

... have been using Oracle AQ in Oracle 8.0.3 and are now upgrading to 8.0.4, check the online Oracle documentation for upgrade steps you must take. 5.2.3 Authorizing Accounts to Use Oracle AQ When ... on the Companion Disk? 5.2.2 Database Initialization 248 Chapter 5 Oracle Advanced Queuing 5.3 Oracle AQ Nonprogram Elements Oracle AQ defines a number of data structures, exceptions,...

Ngày tải lên: 07/07/2014, 00:20

... to request that the message be retained forever. dependency_tracking Reserved for future use by Oracle Corporation. FALSE is the default, and TRUE is not permitted. comment User comment to associate

Ngày tải lên: 07/07/2014, 00:20

... you reconnnect to Oracle. aqstk2.spp A stack whose contents persist between connections to the Oracle database. 5.7.4 Browsing a Queue's Contents One very handy feature of Oracle AQ is the ... was not able to confirm by the time of this book's printing whether this was necessary in Oracle 8.0.4. With this second implementation of a stack, I no longer need or want to destroy...

Ngày tải lên: 07/07/2014, 00:20

... navigation for the dequeue operation to the first message in the queue. I do this to make sure that Oracle AQ starts from the beginning of the queue to search for a match. If I do not take this step, ... session: ORA−25237: navigation option used out of sequence This behavior may be related to bugs in the Oracle 8.0.3 release, but the inclusion of the navigation field setting definitely t...

Ngày tải lên: 07/07/2014, 00:20