SQl developer installation and set up the connections

Hi,
I m a new learner of Oracle - SQL. My doubt is can i have an test environment( a dummy) connection in SQL developer for my practice purpose in my local laptop.
Do i need to install Oracle to work with SQL developer in my system.Wat all I should have to fulfill the abve?
Pls guide from the basic
Thanks in Advance

cuteprathyu999 wrote:
Hi,
I m a new learner of Oracle - SQL. My doubt is can i have an test environment( a dummy) connection in SQL developer for my practice purpose in my local laptop.
Do i need to install Oracle to work with SQL developer in my system.Wat all I should have to fulfill the abve?
Pls guide from the basic
Thanks in Advance
SQL Developer is a 'client' tool.  It is pretty much worthless without a database to connect to.  You can't execute SQL statements without a database.  The database can be either on your local machine (where you have installed SQL Dev) or on a remote machine.  To get a database on your own machine, you will need to download Oracle Database, install it, and create a database.  Be sure to read the installation guide for installation prereqs, including certified operating systems.

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    0x66220000 - 0x6622c000      C:\WINDOWS\system32\netware\NWWS2SLP.DLL
    0x66250000 - 0x66257000      C:\WINDOWS\system32\NWSRVLOC.dll
    0x76fc0000 - 0x76fc6000      C:\WINDOWS\system32\rasadhlp.dll
    0x662b0000 - 0x66308000      C:\WINDOWS\system32\hnetcfg.dll
    0x71a90000 - 0x71a98000      C:\WINDOWS\System32\wshtcpip.dll
    0x6d560000 - 0x6d569000      C:\Program Files\Java\jre1.6.0_03\bin\management.dll
    0x62f00000 - 0x62f13000      C:\oracle\product\10.2.0\client_1\ocijdbc10.dll
    0x03e50000 - 0x03ea7000      C:\oracle\product\10.2.0\client_1\OCI.dll
    0x2c560000 - 0x31bf6000      C:\oracle\product\10.2.0\client_1\OraOCIEI10.dll
    0x77a80000 - 0x77b14000      C:\WINDOWS\system32\CRYPT32.dll
    0x77b20000 - 0x77b32000      C:\WINDOWS\system32\MSASN1.dll
    VM Arguments:
    jvm_args: -Xmx512M -Xverify:none -XX:JavaPriority10_To_OSPriority=10 -XX:JavaPriority9_To_OSPriority=9 -Doracle.ide.util.AddinPolicyUtils.OVERRIDE_FLAG=true -Dsun.java2d.ddoffscreen=false -Dwindows.shell.font.languages= -Dide.conf=sqldeveloper.conf -Dide.home.dir.name=.sqldeveloper
    java_command: oracle.ide.boot.Launcher
    Launcher Type: SUN_STANDARD
    Environment Variables:
    PATH=C:\oracle\product\10.2.0\client_1;X:\oracle10g\product\10.2.0\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files\Intel\DMIX;C:\WINDOWS\system32\nls;C:\WINDOWS\system32\nls\ENGLISH;C:\Program Files\IDM Computer Solutions\UltraEdit-32
    USERNAME=leexx255
    OS=Windows_NT
    PROCESSOR_IDENTIFIER=x86 Family 15 Model 2 Stepping 9, GenuineIntel
    --------------- S Y S T E M ---------------
    OS: Windows XP Build 2600 Service Pack 2
    CPU:total 1 (1 cores per cpu, 1 threads per core) family 15 model 2 stepping 9, cmov, cx8, fxsr, mmx, sse, sse2
    Memory: 4k page, physical 2079468k(1385300k free), swap 4021668k(3516444k free)
    vm_info: Java HotSpot(TM) Client VM (1.6.0_03-b05) for windows-x86, built on Sep 24 2007 22:24:33 by "java_re" with unknown MS VC++:1310
    Is this a java problem? SQL Developer problem? Or something else?
    Thanks in advance,
    a TOAD lover

    The problem you are seeing (the EXCEPTION_ACCESS_VIOLATION) is a result of a version mismatch between the JDBC driver being used by SQL Developer and the Oracle client that is found on the path.
    This issue only occurs when trying to use the OCI version of the JDBC driver. The simplest fix is to switch to using the basic connection type and thus using the thin (all Java) JDBC driver. As no Oracle client is required in this case, the version mismatch won't be an issue.
    However, the connection approach you are using should work, and if you wish to try to sort out the problems there, we should be able to further diagnose the underlying cause of the version mismatch.
    To do this, I would need to see what SQL Developer thinks are the potential Oracle client installs, as well as which install it ends up picking. Can you copy/paste the output in the Log Window (Logging Page) that is present after SQL Developer starts (but before you attempt to connect to any database)? There should be a whole series of entries like 'Checking for ORACLE_HOME environment variable' and 'Checking JDBC driver at <some path>'
    These log entries are output by SQL Developer as it tries to sort out the various bits of information about Oracle client installs and thus give a peek at the selection logic being used.
    Oh, and also - the value of your PATH variable would be useful as well. It may be that there is an Oracle client install on the PATH that supersedes the install SQL Developer is finding via the registry or ORACLE_HOME variable.
    - John McGinnis
    SQL Developer Team

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