Delete old records in oracle database using jobs

Hi,
will it be possible to delete old records in oracle database using jobs
need to delete old records on weekly basis and rebuild my index.
Thanks!

933633, While it is possible to do a great deal with the dbms_scheduler your shop should have a scheduler like CA Unicenter that is used to run the application job schedules. Purge jobs should probably be part of the normal application schedule rather than contained in the database, if your shop has a scheduler in use.
As far as rebuilding the indexes after the purge keep in mind that freshly rebuilt indexes often have to split when inserts are performed due to the fact the compacted index blocks do not have room to hold the newly inserted keys in the appropriate locations. So just because you purge weekly does not automatically mean the indexes should be rebuilt weekly. You need to look at the index key DML pattern and at the total percentage of the index that is held by deleted rows.
HTH -- Mark D Powell --

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    Applies to: Oracle Server - Enterprise Edition - Version: 10.1.0.3
    Apple Macintosh PowerPC
    Goal
    This article will show you how to install and configure your 10g Instant Client (IC) Software for the Mac.
    It will install the following packages:
    the Basic package
    the SQL*Plus package and
    the SDK package
    and then test its connectivity to an Oracle database using SQL*Plus.
    It will also show you how to setup and test a sample program, cdemo81.c, that uses the Oracle Call Interface (OCI)
    to connect to the database.
    The sample program is located under the <Instant_Client>/sdk/demo directory.
    Solution1. Download the following three (3) files from the Oracle Technology Network (OTN) website.
    You will need an account to do this.
    Macintosh OS X 10g Instant Client Software
    a. instantclient-basic-macosx-10.1.0.3.zip (32,395,622 bytes)
    b. instantclient-sqlplus-macosx-10.1.0.3.zip (326,740 bytes)
    c. instantclient-sdk-macosx-10.1.0.3.zip (293,913 bytes)
    NOTE: The above three (3) files will be updated as new patches are released for the 10g Instant Client software. 10.1.0.3 or later versions (10.1.0.x) of these files may be used similarly with this article.
    2. Save the following text into a file called tnsnames.ora:
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    # ORA-12154: TNS:could not resolve the connect identifier specified
    # error when running the setup script and attempting to connect to Oracle
    # from SQL*Plus then the name of your SERVICE NAME (i.e. ORCL) may require
    # that you include the DOMAIN (i.e. US.ORACLE.COM) in order to connect successfully.
    # To obtain the DOMAIN of your environment, type "hostname" from your shell
    # and it should report this information back to you. Configure your SERVICE
    # NAME to look like Example 2.
    # Example 1
    ORCL =
    (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = database_machine.us.oracle.com)(PORT = 1521))
    (CONNECT_DATA =
    (SERVER = DEDICATED)
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    # Example 2
    #ORCL.US.ORACLE.COM =
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    # (ADDRESS = (PROTOCOL = TCP)(HOST = database_machine.us.oracle.com)(PORT = 1521))
    # (CONNECT_DATA =
    # (SERVER = DEDICATED)
    # (SID = orcl)
    3. Save the following text into a file called sqlplus_script.sql:
    SELECT user FROM dual;
    SELECT sysdate FROM dual;
    SELECT 'successful ' AS TEST_RESULTS FROM dual;
    exit;
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    # ===========================================
    # MAC OS X INSTANT CLIENT 10g SCRIPT - SETUP1
    # ===========================================
    # DESCRIPTION
    # ===========
    # This script will install and configure your 10g Instant Client (IC) Software
    # for the Mac. It will install the Basic, SQL*Plus and SDK (OCI/OCCI) packages
    # and then test its connectivity to an Oracle database using SQL*Plus.
    # Once this script has completed, you will need to run the script SETUP2 to build
    # and run the CDEMO81.C sample application located under the <IC>/sdk/demo folder
    # in your newly installed Instant Client home.
    # NOTE: In order for this script to run successfully, you MUST perform any
    # necessary actions required under the SETUP section below.
    # SETUP
    # =====
    # (1) You MUST be in a directoy with ALL of the following files
    # BEFORE running this script:
    # 1 - instantclient-basic-macosx-10.1.0.3.zip
    # 2 - instantclient-sqlplus-macosx-10.1.0.3.zip
    # 3 - instantclient-sdk-macosx-10.1.0.3.zip
    # 4 - tnsnames.ora (configured properly)
    # 5 - sqlplus_script.sql (connectivity test)
    # 6 - setup1 (this file)
    # 7 - setup2 (will run this file later)
    # (2) Edit the TNSNAMES.ORA file and update it with the necessary information
    # to connect to a database on your network. Be sure to note the comments
    # in this file. You will have to change the following information:
    # SERVICE NAME (orcl or orcl.us.oracle.com)
    # HOST (database_machine.us.oracle.com)
    # PORT (1521)
    # SID (orcl)
    # (3) Go to the end of this scrip and modify the following line:
    # ./instantclient10_1/sqlplus scott/tiger@orcl @sqlplus_script.sql
    # Replace "orcl" with the SERVICE NAME you used in step (2) above.
    # (4) To run this script use the command: ". setup1"
    # BEGINNING OF SCRIPT
    # output this file to your shell
    echo
    echo MAC OS X INSTANT CLIENT 10g SCRIPT - SETUP1
    echo
    #more setup1
    # output the TNSNAMES.ORA file to your shell
    echo TNSNAMES.ORA FILE
    echo
    more tnsnames.ora
    # remove the instantclient10_1 directory should it exist
    echo
    echo CHECKING FOR instantclient10_1 DIRECTORY...
    echo WILL REMOVE DIRECTORY IF IT ALREADY EXISTS
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    echo
    echo BASIC
    echo
    unzip instantclient-basic-macosx-10.1.0.3.zip
    echo
    echo SQL*PLUS
    echo
    unzip instantclient-sqlplus-macosx-10.1.0.3.zip
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    unzip instantclient-sdk-macosx-10.1.0.3.zip
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    # Uncomment if you want a way to find the Instant Client (IC) home quickly
    #export IC=$PWD/instantclient10_1
    # Dynamic Library path required to use the Instant Client (IC) software
    export DYLD_LIBRARY_PATH=$PWD/instantclient10_1
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    export TNS_ADMIN=$PWD/instantclient10_1
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    echo
    echo SETTING ENVIRONMENT VARIABLES
    echo
    echo DYLD_LIBRARY_PATH
    echo $DYLD_LIBRARY_PATH
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    #echo
    #echo ALL ENVIRONMENT VARIABLES
    #echo
    #env
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    echo COPYING TNSNAMES.ORA TO INSTANT CLIENT [IC] DIRECTORY
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    echo
    echo INSTANT CLIENT [IC] DIRECTORY
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    ls ./instantclient10_1
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    # To connect to the database specified in your TNSNAMES.ORA file change the
    # SERVICE NAME (i.e. orcl) below to the name of the entry in your TNSNAMES.ORA
    # file designating the specific database in which you want to connect to
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    ./instantclient10_1/sqlplus scott/tiger@orcl @sqlplus_script.sql
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    # file. You can embed the NAME-VALUE pair of the SERVICE NAME from the TNSNAMES.ORA
    # file directly into the connection string making sure to use the proper HOST, PORT
    # and SID like so:
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    # MAC OS X INSTANT CLIENT 10g SCRIPT - SETUP2
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    # (void) OCIServerAttach( srvhp, errhp, (text *)"ORCL", strlen("ORCL"), 0);
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    # in script SETUP1. In this same location you will find SETUP2. Run SETUP2 from
    # this location.
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    # output the TNSNAMES.ORA file to your shell
    echo TNSNAMES.ORA FILE
    echo
    more tnsnames.ora
    # output the username, password and service name from CDEMO81.C file to your shell
    echo
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    # display the required environment variables
    #env
    echo
    echo REPORTING REQUIRED ENVIRONMENT VARIABLES
    echo
    echo DYLD_LIBRARY_PATH
    echo $DYLD_LIBRARY_PATH
    echo
    echo TNS_ADMIN
    echo $TNS_ADMIN
    # move to the sdk/demo directory
    cd ./instantclient10_1/sdk/demo
    echo
    echo CHANGING TO [IC]/SDK/DEMO DIRECTORY
    echo
    ls
    # run demo application
    echo
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    echo
    echo BUILDING APPLICATION USING PROVIDED MAKE FILE, [IC]/sdk/demo/demo.mk...
    echo
    make -f demo.mk
    echo
    echo
    echo INSTANT CLIENT [IC] DIRECTORY...
    echo
    ls ../..
    echo
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    echo
    echo - libclntsh.dylib
    echo - libocci.dylib
    ln ../../libclntsh.dylib.10.1 ../../libclntsh.dylib
    ln ../../libocci.dylib.10.1 ../../libocci.dylib
    echo
    echo INSTANT CLIENT [IC] DIRECTORY WITH links CREATED...
    echo
    ls ../..
    echo
    echo
    echo EXECUTING APPLICATION...
    echo
    cdemo81
    echo
    echo
    # TROUBLE-SHOOTING
    # If you receive the following error messages:
    # Error - ORA-24327: need explicit attach before authenticating a user
    # Error - ORA-03114: not connected to ORACLE
    # Then you did not modify the CDEMO81.C application with proper SERVICE NAME
    # information. See step 1B under the SETUP section in this script to resolve
    # this error.
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    1 - instantclient-basic-macosx-10.1.0.3.zip
    2 - instantclient-sqlplus-macosx-10.1.0.3.zip
    3 - instantclient-sdk-macosx-10.1.0.3.zip
    4 - tnsnames.ora
    5 - sqlplus_script.sql
    6 - setup1
    7 - setup2
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    SERVICE NAME (orcl or orcl.us.oracle.com)
    HOST (database_machine.us.oracle.com)
    PORT (1521)
    SID (orcl)
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    TNSNAMES.ORA FILE
    # If you receive an
    # ORA-12154: TNS:could not resolve the connect identifier specified
    # error when running the setup script and attempting to connect to Oracle
    # from SQL*Plus then the name of your SERVICE NAME (i.e. ORCL) may require
    # that you include the DOMAIN (i.e. US.ORACLE.COM) in order to connect successfully.
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    (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = gbednars-pc.us.oracle.com)(PORT = 1521))
    (CONNECT_DATA =
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    (SID = orcl)
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    # (ADDRESS = (PROTOCOL = TCP)(HOST = gbednars-pc.us.oracle.com)(PORT = 1521))
    # (CONNECT_DATA =
    # (SERVER = DEDICATED)
    # (SID = orcl)
    CHECKING FOR instantclient10_1 DIRECTORY...
    WILL REMOVE DIRECTORY IF IT ALREADY EXISTS
    INSTALLING SOFTWARE...
    BASIC
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    inflating: instantclient10_1/classes12.jar
    inflating: instantclient10_1/libclntsh.dylib.10.1
    inflating: instantclient10_1/libnnz10.dylib
    inflating: instantclient10_1/libocci.dylib.10.1
    inflating: instantclient10_1/libociei.dylib
    inflating: instantclient10_1/libocijdbc10.dylib
    inflating: instantclient10_1/ojdbc14.jar
    SQL*PLUS
    Archive: instantclient-sqlplus-macosx-10.1.0.3.zip
    inflating: instantclient10_1/README_IC.htm
    inflating: instantclient10_1/glogin.sql
    inflating: instantclient10_1/libsqlplus.dylib
    inflating: instantclient10_1/sqlplus
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    creating: instantclient10_1/sdk/
    creating: instantclient10_1/sdk/demo/
    inflating: instantclient10_1/sdk/demo/cdemo81.c
    inflating: instantclient10_1/sdk/demo/demo.mk
    inflating: instantclient10_1/sdk/demo/occidemo.sql
    inflating: instantclient10_1/sdk/demo/occidemod.sql
    inflating: instantclient10_1/sdk/demo/occidml.cpp
    creating: instantclient10_1/sdk/include/
    inflating: instantclient10_1/sdk/include/nzerror.h
    inflating: instantclient10_1/sdk/include/nzt.h
    inflating: instantclient10_1/sdk/include/occi.h
    inflating: instantclient10_1/sdk/include/occiAQ.h
    inflating: instantclient10_1/sdk/include/occiCommon.h
    inflating: instantclient10_1/sdk/include/occiControl.h
    inflating: instantclient10_1/sdk/include/occiData.h
    inflating: instantclient10_1/sdk/include/occiObjects.h
    inflating: instantclient10_1/sdk/include/oci.h
    inflating: instantclient10_1/sdk/include/oci1.h
    inflating: instantclient10_1/sdk/include/oci8dp.h
    inflating: instantclient10_1/sdk/include/ociap.h
    inflating: instantclient10_1/sdk/include/ociapr.h
    inflating: instantclient10_1/sdk/include/ocidef.h
    inflating: instantclient10_1/sdk/include/ocidem.h
    inflating: instantclient10_1/sdk/include/ocidfn.h
    inflating: instantclient10_1/sdk/include/ociextp.h
    inflating: instantclient10_1/sdk/include/ocikpr.h
    inflating: instantclient10_1/sdk/include/ocixmldb.h
    inflating: instantclient10_1/sdk/include/odci.h
    inflating: instantclient10_1/sdk/include/oratypes.h
    inflating: instantclient10_1/sdk/include/ori.h
    inflating: instantclient10_1/sdk/include/orid.h
    inflating: instantclient10_1/sdk/include/orl.h
    inflating: instantclient10_1/sdk/include/oro.h
    inflating: instantclient10_1/sdk/include/ort.h
    inflating: instantclient10_1/sdk/include/xa.h
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    DYLD_LIBRARY_PATH
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    TNS_ADMIN
    /oracle/instantclient10_1
    COPYING TNSNAMES.ORA TO INSTANT CLIENT [IC] DIRECTORY
    INSTANT CLIENT [IC] DIRECTORY
    README_IC.htm libocci.dylib.10.1 sdk/
    classes12.jar libociei.dylib* sqlplus*
    glogin.sql libocijdbc10.dylib* tnsnames.ora
    libclntsh.dylib.10.1* libsqlplus.dylib*
    libnnz10.dylib ojdbc14.jar
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    Copyright (c) 1982, 2004, Oracle. All rights reserved.
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    SCOTT
    SYSDATE
    19-AUG-05
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    (void) OCIServerAttach( srvhp, errhp, (text *)"", strlen(""), 0);
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    (void) OCIServerAttach( srvhp, errhp, (text *)"ORCL", strlen("ORCL"), 0);
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    # that you include the DOMAIN (i.e. US.ORACLE.COM) in order to connect successfully.
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    # (SERVER = DEDICATED)
    # (SID = orcl)
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    DYLD_LIBRARY_PATH
    /oracle/instantclient10_1
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    /oracle/instantclient10_1
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    cdemo81.c* demo.mk occidemo.sql occidemod.sql occidml.cpp
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