Oracle Built−in Packages- P72 pdf

... specific types of Oracle data. The DBMS_ROWID package allows you to work with the two different ROWID formats available in Oracle8 : extended (new to Oracle8 ) and restricted (traditional Oracle7 ROWIDs). ... V$SQLAREA virtual tables. Chapter 8, Managing Large Objects With Oracle8 , Oracle finally offers native, robust support for large objects. Oracle LOBs can be stored in a column...

Ngày tải lên: 07/07/2014, 00:20

... the built−in packages may be found in, $ORACLE_ HOME/rdbmsNN/admin where NN is the version number. So if you are running Oracle 7.3, you will find the source code files in /this directory/: $ORACLE_ HOME/rdbms73/admin If ... Package 39 Chapter 1 Introduction 1.4 Examining Built−in Package Source Code When you install the Oracle database, the source code files for all of the built−i...

Ngày tải lên: 07/07/2014, 00:20

... what happens. I have two primary references for writing about PL/SQL technology: the Oracle documentation and the Oracle software. The former is helpful for guiding my "first draft." The ... 2.3.8 Retrieving Values Oracle: The Show Me Technology If there is one thing I have learned over the years, it is that if ... as advertised. I built the following script (designed for use i...

Ngày tải lên: 07/07/2014, 00:20

Ngày tải lên: 07/07/2014, 00:20

... process them in a front−end application. If the claims of Oracle Corporation about improved performance of dynamic SQL are true (see Chapter 10 of Oracle PL/SQL Programming), then this array−processing ... technology so that it can be made available in client environments where index−by tables and other Oracle8 features are not available directly. First, the basics of querying into array...

Ngày tải lên: 07/07/2014, 00:20

... message buffer. 3.1.4.1.1 Exceptions The program does not raise any package exceptions. The Oracle. 06558 Oracle exception is raised if the message buffer becomes full and no more items can be packed. 3.1.4.1.2 ... DBMS_PIPE.PACK_MESSAGE (item IN VARCHAR2 | NUMBER | DATE); Note that you must specify VARCHAR2 or NUMBERor DATE. In Oracle8 , the VARCHAR2 version of PACK_MESSAGE is somewhat...

Ngày tải lên: 07/07/2014, 00:20

... is somewhat confusing and counterintuitive, and again begs for more detailed documentation from Oracle on DBMS_PIPE. One idea this second test gave me was forwarding messages from one pipe to ... has been previously called in the session. This confuses me, and I don't like the fact that Oracle does not expose more details about the inner workings of the local message buffer in relati...

Ngày tải lên: 07/07/2014, 00:20

... Planet $15.95 11/14/1997 12:42:57 Mr. Math $12.95 11/14/1997 12:42:58 Yes, dear readers, these nifty Oracle AQ features do seem to work as documented! Now let's examine the implementation of the

Ngày tải lên: 07/07/2014, 00:20

... running the Oracle instance. This is usually the " ;oracle& quot; owner. If you try to access these files outside of UTL_FILE, you will need the correct privileges (or be logged in as " ;oracle& quot;) ... package should give you a solid idea about the way to encapsulate a built−in package inside a package of your own construction. 5.7 Oracle AQ Examples 6.2 UTL_FILE: Reading an...

Ngày tải lên: 07/07/2014, 00:20

... returned by a call to FOPEN buffer Text to be written to the file; maximum size allowed is 32K for Oracle 8.0. 3 and above; for earlier versions, it is 1023 bytes Before you can call UTL_FILE.PUT_LINE,

Ngày tải lên: 07/07/2014, 00:20

Ngày tải lên: 07/07/2014, 00:20

... Concepts This section offers a quick overview of the Oracle ROWID. You can get much more extensive information on ROWIDs from the Oracle documentation. In the Oracle RDBMS, ROWID is a pseudocolumn that ... for a row into a ROWID variable. To manipulate ROWIDs in Oracle8 , you will want to use the DBMS_ROWID package described in this chapter. In Oracle7 , you will use the ROWIDTOCHAR f...

Ngày tải lên: 07/07/2014, 00:20

... value of 1, that is: DBMS_ROWID.ROWID_TYPE_EXTENDED. The emp table was created under Oracle8 and therefore uses the Oracle8 type of ROWID. 9.1.3.11 The DBMS_ROWID.ROWID_VERIFY function The ROWID_VERIFY ... Getting Started with UTL_RAW The UTL_RAW package is created when the Oracle database is installed. The utlraw.sql script (found in the built−in packages source code directory, as desc...

Ngày tải lên: 07/07/2014, 00:20

... Companion Disk? 9.2.6 UTL_REF Example 469 9.1 DBMS_ROWID: Working with the ROWID Pseudo−Column (Oracle8 only) 10. Miscellaneous Packages Copyright (c) 2000 O'Reilly & Associates. All ... either directly or indirectly. 9.2.5.3.2 Example In the following procedure, I use the SELECT_OBJECT built−in to retrieve the object based on the passed−in reference: CREATE OR REPLACE PROCEDURE s...

Ngày tải lên: 07/07/2014, 00:20

... or output from the package's built−in modules. By the way, these tables are also used by other built−in packages, such as DBMS_DEFER. See Chapter 10 of Oracle PL/SQL Programming for more ... objects in your schema, and modify the referenceability of object identifiers in Oracle8 . DBMS_RANDOM New to Oracle8 , supplies PL/SQL developers with a random number generator. 10.1 DBMS_UT...

Ngày tải lên: 07/07/2014, 00:20