By Feuerstein S., Dye Ch., Beresniewicz J.
An entire connection with all the built-ins, together with the hot programs to be had with Oracle8, this publication presents large examples and is derived with a disk containing an internet software built by way of RevealNet, Inc., that gives point-and-click entry to the numerous documents of resource code and on-line documentation built through the authors.
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Extra info for Oracle Built in Packages
DBMS_SQL is simultaneously one of the most complex, most useful, and most rewarding of the built−in packages. It may take some time for you to get comfortable with how to apply the technology. Once you are up and running, however, you will be amazed at the feats you will be able to perform! 1 Examples of Dynamic SQL Before explaining the details of DBMS_SQL, let's look at a few concrete examples. When you issue a SQL statement via DBMS_SQL, you will have to write much more code than you would by simply executing a native SQL statement, such as an implicit cursor created with a SELECT statement.
Txt', 'R'); ... EXCEPTION WHEN OTHERS /* Not recommended! Information is lost... */ THEN ... END; When working with this kind of exception, always use the first approach. With the WHEN OTHERS clause, there is no way for you to know which of the three UTL_FILE exceptions was raised. SQLCODE returns the same value of 1 regardless of the specific exception raised. INVALID_MODE in the Oracle Developer/2000 Release 1 environment. 6" for more information on this restriction. 3 Standard system exception In this scenario, the package does not contain any statements that define new exceptions, nor does it give names to existing Oracle error numbers.
Sql file, to see if Oracle Corporation has added anything to its miscellaneous package, DBMS_UTILITY. 3. It can be an awful lot of fun to see how Oracle's own developers construct and document their own PL /SQL packages. sql. 4. Dependencies. The built−in package file can provide you with other valuable information, including which built−in packages and/or other objects must already be in the database before you can proceed with the installation. Where do you find all of this interesting code? If you are working in a UNIX environment, the files that define the built−in packages may be found in, $ORACLE_HOME/rdbmsNN/admin where NN is the version number.