Archive for the ‘Oracle Utilities’ Category

SQL LOADER CONCEPTS

SQL*Loader is a bulk loader utility used for moving data from external files(flat files) into the Oracle database. SQL*Loader reads from a data file(s)(usually a flat file) and a control file(file that contains description of the data to be loaded and it has nothing to do with database control files) . During loading , process [...]

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Scheduling Job using DBMS_JOBS

Create a Job (run it every day) VARIABLE v_jobnum NUMBER; BEGIN dbms_job.submit(:v_jobnum, ‘MY_STORED_PROCEDURE;’, sysdate,’sysdate+1′); END; print v_jobnum BEGIN DBMS_JOB.SUBMIT(JOB => :jobnumber, WHAT => ‘DBMS_STATS.GATHER_DATABASE_STATS(options => ”GATHER AUTO”);’, NEXT_DATE => to_date(’11:30 01/23/06′,’HH24:MI MM/DD/YY’), INTERVAL => ‘SYSDATE + 1′); COMMIT; END; Running Existing Job While the point is to automate jobs, occasionally you may find you need [...]

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EXPDP and IMPDP

Detailed Documentation of EXPDP Detailed Documentation of IMPDP Data Pump is server-based, rather than client-based, dump files, log files, and SQL files are accessed relative to server-based directory paths. Data Pump requires you to specify directory paths as directory objects. A directory object maps a name to a directory path on the file system. SQL> [...]

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EXP and IMP Utilities

Command line EXP utility example for export of HR schema exp fzafar/123@orcl file=c:\source\hr.dmp log=c:\source\hr.log buffer=100000 owner=HR  CONSISTENT=Y DIRECT=Y IMP utility example to import only two tables in another schema HR_DUP imp fzafar/123@orcl fromuser=HR touser=HR_DUP buffer=100000 file=c:\source\hr.dmp log=c:\source\hr_dup Tables=Jobs,Locations Export Parameters This section contains descriptions of some of the Export command-line parameters. BUFFER Default: operating system-dependent. [...]

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Using LogMiner

Oracle LogMiner, which is part of Oracle Database, enables you to query online and archived redo log files through a SQL interface. Because LogMiner provides a well-defined, easy-to-use, and comprehensive relational interface to redo log files, it can be used as a powerful data audit tool, as well as a tool for sophisticated data analysis. [...]

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Oracle Listener and Service Name

Oracle Net Listener The one operation unique to the Oracle database server side is the act of receiving the initial connection through an Oracle Net listener. The Oracle Net listener, commonly known as the listener, brokers a client request, handing off the request to the server. The listener is configured with a protocol address. Clients [...]

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