Oracle

This is the archive for Oracle.

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  • Oracle: Could not create another database? Create another data source.

    I needed to set-up another data source using the same database server
    —–
    So using the SQL Plus, i created a user and granted privileges for it.
    Creating User
    SQL> create user username identified by password default tablespace user_tablespace temporary tablespace temp_tablespace;
    e.g.
    SQL> create user wpsdbusr identified by password default tablespace users temporary tablespace temp;

    Granting Privileges
    […]

  • Transposing Records into One Field

    As they say in Exist, There’s always a better way.
    What I Did…
    performed a loop for each record in my collection to retrieve another collection using a particular Id in the record
    and placing the retrieved collection to be part of the record.
    The Effect…
    my screen populates very slow
    The Solution…
    from backend, transpose those collection being retrieved […]

  • Debugging in Eclipse, calling shell scripts

    Background:
    i’m using Ubuntu, my Eclipse was installed via apt-get
    i have Oracle installed under ‘oracle’ profile
    i run and debug my program through Eclipse
    Issue:
    attempt to run sqlldr which is called from the webapp results to an error/sqlldr exit code 3.
    Solution:
    run the webapp externally, don’t use Eclipse when running the webapp(since it was installed via apt-get and uses […]

  • Installing Oracle 10g in Ubuntu 7.10 (Gutsy Gibbon)

    This doc isn’t yet perfect, but it would help.
    1. Requirements
    Your linux swap is set to 2GB
    You have the Oracle 10g RC2 installer for Linux
    2. Setting Ubuntu
    2.1 Install required libraries
    Open the Synaptic Package Manager (click System –> Administration)
    Click on Settings –> Repositories
    Click all the checkbox(main, universe, restricted, […]

  • Oracle Hibernate URL Connection String

    Bout: jdbc:oracle:thin:@localhost:1521/orcl vs jdbc:oracle:thin://localhost:1521/orcl
    Story:
    1. Checked out the project
    2. set parameters for the DB connection
    3. built it and attempted to run it.
    Problem: The app wouldn’t run.
    Attempts to solve:Checked parameters of database-c3p0.properties
    * system.connection.username=system (able to use this in the sqlplus)
    * system.connection.password=password (this was the password assigned during […]

  • Dumping data to Oracle 10g via command line

    Assuming you have already created the DB user, see http://blogs.exist.com/jcutaran/2008/02/18/creating-a-user-in-oracle-10g-through-command-line/
    1. Log into a command console with the oracle user
    > su - oracle
    2. execute the command template below
    imp userid= fromuser= toUser= file= log= compile=y commit=y
    example:
    > imp userid=system/password fromuser=NPN6 toUser=NPN6 file=~/version1.dmp log=~/imp.log compile=y commit=y
    some notes:
    userid - refers to […]

  • Creating a user in Oracle 10g through command line

    Assuming Oracle is installed and running…
    1. Log into a command console with the oracle user.
    > su - oracle
    2. Creat a file and place the text below.
    drop user npn6 cascade;
    create user npn6 identified by npn6;
    grant resource, connect, create view to npn6;
    commit;
    3. log into sqlplus to run the file you created
    >sqlplus / […]