Oracle Built−in Packages- P110 pps
Oracle Built−in Packages- P110 pps
... a few things to note in this procedure. First, exceptions are declared and assigned to the two Oracle errors that can be raised by the DBMS_SESSION.CLOSE_DATABASE_LINK procedure. This is done ... sesstat_cur. The following script demonstrates the inefficiency of PL/SQL tables of VARCHAR2 under Oracle 7.3 using my_session.memory: /* Filename on companion disk: sess2.sql */* set serveroutpu...
Ngày tải lên: 07/07/2014, 00:20
Oracle Built−in Packages- P4 ppsx
... cannot document all of those packages. Oracle Developer/2000 contains a set of built−in packages, including DDE and TEXT_IO. Oracle WebServer offers its own built−in packages, from HTP to OWA_UTIL, ... deferred execution of activity. Oracle is positioning Oracle AQ as an alternative to the queuing mechanisms of teleprocessing monitors and messaging interfaces. Oracle AQ will ser...
Ngày tải lên: 07/07/2014, 00:20
Oracle Built−in Packages- P8 pps
... kind of code from Oracle Forms. It cannot resolve the reference to UTL_FILE.INVALID_MODE. What can you do? If you are going to make extensive use of UTL_FILE from Oracle Forms (or Oracle Reports), ... particular server−side file from Oracle Forms. You would still need to build read, write, and close procedures, but the technique should be clear. 1.3.7 Accessing Built−in Packaged Tec...
Ngày tải lên: 07/07/2014, 00:20
Oracle Built−in Packages- P12 ppsx
... Elements DBMS_SQL defines three constants that you use in calls to the PARSE procedure to specify how Oracle handles the SQL statement: DBMS_SQL.NATIVE CONSTANT INTEGER := 1; DBMS_SQL.V6 CONSTANT INTEGER
Ngày tải lên: 07/07/2014, 00:20
Oracle Built−in Packages- P19 ppsx
... 96 MLSLABEL 106 CLOB (Oracle8 ) 112 NCLOB (Oracle8 ) 112 BLOB (Oracle8 ) 113 BFILE (Oracle8 ) 114 Object type (Oracle8 ) 121 Nested table Type (Oracle8 ) 122 Variable array (Oracle8 ) 123 When you call ... in Oracle technology, both within her discipline and in the wider array of Oracle software. When Oracle Server Release 7.1 hit the street, she checked for new features and came across...
Ngày tải lên: 07/07/2014, 00:20
Oracle Built−in Packages- P20 pps
... including her account named (yep, you guessed it) JAN. To make things even more exciting, she built an Oracle Forms front−end to her package (Janfast/jandyn). She could then take advantage of the stored ... six million rows. All of the user accounts (working against a shared data source in the PERSONNEL Oracle account) are experiencing serious performance problems. A new index (at least o...
Ngày tải lên: 07/07/2014, 00:20
Oracle Built−in Packages- P22 ppsx
... to cut down on the code I need to write to maintain foreign keys in Oracle based applications. For all its great features, Oracle Forms −− just like its predecessor, SQL*Forms V3 −− does not ... dynamic SQL of DBMS_SQL allows you to create completely generic modules to manipulate objects in the Oracle7 Server. You can, for instance, write a procedure that drops the specified table, but yo...
Ngày tải lên: 07/07/2014, 00:20
Oracle Built−in Packages- P25 pps
... line−building program is actually a numeric FOR loop in which I issue my calls to COLUMN_VALUE. I call this built−in for each column in the table (information that is stored in −− you guessed it −− my PL/SQL tables). ... datatype information is stored directly from the data dictionary. When I work with the DBMS_SQL built−ins, however, they do not use the strings describing the datatypes (su...
Ngày tải lên: 07/07/2014, 00:20
Oracle Built−in Packages- P31 pps
... will always return the next message in the queue. NOTE: Note that Oracle8 's Advanced Queuing features, covered in Chapter 5, Oracle Advanced Queuing, offer more sophisticated and robust messaging ... the user. 3.1.3.1.2 Exceptions The program does not raise any package exceptions. The following Oracle exceptions are raised if the user attempts to create a pipe that already exists a...
Ngày tải lên: 07/07/2014, 00:20