SQL Developer Keep-Alive Extension Created!

Hi All,
I have created a keep-alive extension for SQL Developer as I have always wanted to prevent my connections from timing out. Hope this will become handy to some of you. The download file and instructions are hosted on Google Sites.
https://sites.google.com/site/keepaliveext/
Cheers,
MinChen

Hi Everyone,
Lately I have been getting questions on whether the extension is secure enough to be used as more often than not, a database would definitely contain confidential or sensitive information hence it is absolutely crucial that security is maintained and running external extensions does not seem reassuring. Here, I would like to write a bit on how to ensure that security is maintained when running third party extensions for SQL Developer.
The most secure approach is to scrutinize the source code of the extensions themselves if it is made available at all. If no source code is available, then it would take a different approach which is far more complex and won't to be covered here. Fortunately, extensions for SQL Developer are developed using Java and the beauty of it is that one could easily decompile the classes back into the source code. From there onwards, scrutinize the code thoroughly to ensure there is no rogue logic or any function that would "phone home" for whatever reason other than to check for updates. By practicing self code scrutiny, it would be the most reassuring. As I myself am every bit concerned about security, I do tend to extract out the source code of all the Firefox extensions I use and do a quick glance. ;)
With this, I hope more people will embrace the extensibility of SQL Developer and create more extensions for the community. SQL Developer is a great application and thanks to the team who created it and made it available at zero charge. :D
Cheers,
Min Chen
P.S. You can decompile Java classes using the free tool called JD-Gui which can be found at
[http://java.decompiler.free.fr/?q=jdgui]

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New SQL Developer 1.5 extension is available

Hello,
I would like to introduce the new release 2.0.1 of:
Schema Version Control for Oracle (SVCO)
It's the integrated version control solution for Oracle database server schema objects! It will track all schema objects changes direct within Oracle database fully automatically! No extra version control tool is required. You can go on and use your favourite IDE for Oracle or even mix different tools. You can also integrate Schema Version Control for Oracle in your own development process. SVCO consists of version control repository and packages. Both are created during installation under SVCO user inside your Oracle database. Please, also have a look at front-end interface for SVCO Plug-In for PL/SQL Developer and SVCO Extension for Oracle SQL Developer. SVCO supports Oracle 11g. Because it's written completely on Oracle PL/SQL it works on any platform supported by Oracle. Schema Version Control for Oracle is the right version control solution for Oracle database server development projects.
Extension for Oracle SQL Developer: the complete SVCO functionality and much more inside Oracle SQL Developer!
Please visit us at:
<SUMsoft Solutions>
web: http://www.sumsoftsolutions.com/

Those versions are ancient, older than SS2008 even.
Go get version 4.0.3 and a jTDS 3.1 driver.
Details here

SQL Developer Keeps finding updates (1.2.1.32.02)

Hi,
I have just patched my SQL Developer (Windows XP Pro) (extensions tab shows version 1.2.1.32.00) and the automatic update wizard keeps finding a new patch (1.2.1.32.02).
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Thanks,
Paul

Hi Matt,
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Regards
Sue

Sql developer 3.0.02 create unit_test_repos cannot log in

I create a user like the way of "Performing a Unit Test of Your PL/SQL in Oracle SQL Developer 2.1" (http://st-curriculum.oracle.com/obe/db/11g/r2/prod/appdev/sqldev/sqldev_unit_test/sqldev_unit_test_otn.htm), but cannot log in, when test it says"Ora-01017 invalid username/password;log defined".
but I use the same way in Sql developer 2.1, the connection was created successfully.
I create the user use 3.0.02 again, and connect use 2.1 it still this error:"Ora-01017 invalid username/password;log defined";
I create the user use 2.1 again, and connect use 2.1 or 3.0.02, it's OK.
Edited by: user10064474 on 2010-11-29 下午10:33

Hello Jiri!
this is because of SQL Developer does not support "order by" over external tables.
In general it is not disabled in SQL developer to use it for external tables but due to unknown reason execution of select including "order by" clause over external table generates ORA-00600 error.
SQL Developer is saving all used "order by", "filter" settings (and many others) to special cache (user specific XML file) and this setting is used next time you open specific object - table.
It means when you apply "sorting" on external table
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- used "order by" is stored by SQL Developer into cahce XML file
- ...and you cannot open this table from your SQL developer anymore
How to correct it:
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there are usually tons of GridSettings.xml files
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-1134293523GridSettings.xml
you have to find file which contains your specific extenal table name like...
<uniqueName>SELECT * FROM "SCHEMANAME"."EXTERNAL_TABLE"</uniqueName>
- find "sortClauses" tag
<sortClauses>
<Item class="java.lang.String">3 asc</Item>
<Item/>
</sortClauses>
- you can now edit/correct content of this file/tag or just delete it completely
- or you can easily delete complete cache folder - BUT in this case all specific user setting can be deleted!!!
- then your table is accessible again :-)
Regards
Radim

SQL Developer 3.0 EA1 creates case senstive account names

Hi,
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-- USER SQL
CREATE USER why_this_old_way IDENTIFIED BY scott ;
-- ROLES
GRANT "RESOURCE" TO why_this_old_way ;
GRANT "CONNECT" TO why_this_old_way ;
Example of create user statement from 3.0 EA1.
-- USER SQL
CREATE USER "why_this_new_way" IDENTIFIED BY scott ;
-- ROLES
GRANT "RESOURCE" TO "why_this_new_way" ;
GRANT "CONNECT" TO "why_this_new_way" ;
Having case sensitive object names greatly increases the complexity unnecessarily, please don't implement this approach.
Scott K.

Please tell me how you accessed the create user UI. Is this new "functionality" occurring from the DBA Navigator?
It's looking like it changed in both dialogs to me are you seeing the same thing? I'll dig in and see why this was changed.
Thanks,
Syme
Edited by: skutz on Oct 18, 2010 7:59 AM

SQL Developer keeps pointing to old TNS entry Version 2.1.1.64

Hello,
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Thanks
Rondale

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Craig...
Edited by: CraigB on Aug 31, 2011 11:56 AM

The new SQL Developer keeps hanging!

http://www.oracle.com/technology/software/products/sql/index.html
SQL Developer give me a break!
I installed this software for the ease of retreival of data from the database, but on the contrary it keeps hanging and has now become a nuisance to use it.
It affects the productivity to a great extent since it keeps me waiting for too long while it fetches data.
Before this I had used Toad(which is not used here anymore), and never had any such problems with it.
In the SQL Developer, the records fetched are now editable. But I don't see that as a boon to us. Infact scrolling through the record to the end has now become a pain. Before to scroll throught a record all you needed to do was press the <-- or
--> keys. Now thats not possible.
Plus, it seems more unstable than the previous version. It just hangs more than before.

-followup-
Hi,
Getting extra popup menuoptions in the navigator is really easy (thanks Kris Rice for the skeleton on http://esdev.sourceforge.net/)
I'll try to rewrite some GeoRaptor code so the menu-options will work for SQL Developer 1.1.
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--olaf

SQL Developer keeps dropping my table cols!!

Howdy,
Really getting to the end of my tether with SQL Developer now, as it likes to drop all my columns (usually leaves one for me which is nice of it) in my tables if I decide to make a change to it.
for example, if I where to change a column to be NOT NULL it will throw an error saying (Could not drop all columns) and I look at my table and wow, I have ONE column left in the table and all my data is then f**ked. Or if I want to edit a constraint, or a index it will do the same! Its random cos it wont do it all the time.
This is unacceptable really, cos I then have to rebuild the DB table and get all contraints back to it. I would NEVER EVER consider using this for live data, oh that would be catastrophic!
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Any help will be appreciated!

Hi,
Sorry, this hasn't just started happening, been doing this ever since I started using SQL Developer, so now I just try to steer clear on making changes that I know has potential of causing me trouble.
At the moment I am on:
Vista 64bit
SQL Developer 1.2.1 Build 32.13
Latest version of Java (only downloaded it last week.
But this problem also occured on Vista 32bit witht he same version of SQL Developer. I tried it with the Java included version, and java installed on my machine, but it still done it.
I mainly get the problem if I Right Click > Edit and change Indexes or foreign key details.
I'm running from /bin/ at the moment as I am in a 64bit environment, but it makes no difference what .exe I use!
The error I get is always "Unable to drop all columns"... this is when I was NOT dropping columns, I was just making a change, but I assume oracle drops them and rebuilds it or sumin (im no DBA). Incidently it's usually a DATE column I am left with after its decided to drop all my other columns?
Message was edited by:
keogh

SQL Developer keepalive doesn't work in 4.0

The famous, and awesome, SQLDeveloper keepalive extension (https://sites.google.com/site/keepaliveext/) does not seem to work with the new beta SQLDeveloper 4.0. Has anyone gotten it to work? This is a show-stopper for me as far as using 4.0.

Hi Mr Chen,
Thanks for your keep alive extension which is a great help. Previously it worked just fine. But recently it just doesn't work anymore (about 2 weeks after I install this extension and no big system configuration was done during that time ) . I am using version 3.1.07 on windows XP. Hope your can give me some advises.
Also, any chance we can configure the wait time for SQL developer to connect oracle DB? For instance, 0.5 sec?
Keeping alive is REALLY important feature for our development work. Your work is really important to us! Thank you again and looking forward your reply.
Br,
Kunkka from China

How to increase duration of timeout session in SQL-developer.

Hi masters,
I am using the Oracle tool SQLdeveloper 3.1.07.
Its automatically disconnecting from server after every 5-10 minutes idle time.
Please suggest me how to change settings to not to disconnect from server.
Thanks in advance.

SQL Developer doesn't have a timeout - any timeout you are experiencing will be set at the database level or possibly in a firewall.
You can try to use a 'keepalive' as discussed in Can I run a periodic query to keep Orcale SQL Developer connection alive? thread.

SQL Developer replacing Query Builder 6.0.7

Dear All,
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1. Whether SQL Developer 3.0 can create and edit queries by selecting data tables in Oracle?
2. Can it convert any old Query Builder queries (in .brw extension) to a format that can be run in SQL Developer 3.0?
I am about to download and install the SQL developer 3.0, but thought of asking here first and get some advice/views.
So, Please reply back with anything that might help me out.
With Regards,
Pamir

Yes thanks Jim...I realised that when I started to dig more into this.
Now I have downloaded and installed the software...currently am able to create, edit queries and do other stuff.
With Regards,
Pamir
Edited by: user651047 on 11-Aug-2011 06:56

Demonstrating PL/SQL Functions Using SQL Developer

Good afternoon,
I'm starting to write some PL/SQL functions to replace some of the SQL that I use most frequently. A couple of very simple examples would be:
create or replace function func_test (p_1 number) return number
is
x number;
y number;
begin
x :=1;
y :=2;
return p_1 * x * y;
end func_test;
create or replace function func_test2 (p_1 varchar2) return varchar2
is
return_val varchar2(10);
begin
select p_1 into return_val from dual;
return return_val;
end func_test2;
However, at my workplace I haven't been granted create function privileges yet until I can demonstrate some examples, which is understandable.
For the time being, without these privileges, is there a way I can build/test functions in principle locally using SQL Developer without the need to write the functions to our database? I.e. can I demonstrate the above in SQL Developer, but without wrapping in create or replace syntax?
I hope this isn't too vague.
Using Oracle 11gR2 (not logged in to workplace database at the moment for specific version no.)
SQL Developer 3.4
Thanks,
TP

sb92075 02-Nov-2013 19:12 (in response to TinyPenguin)
populating test DB with data is a solvable problem.
You don't need client data to test code (functions).
You only need sample test data; which generally is less than a few dozen records per table.
Absolutely, of course. Our client database is pretty messy though, and includes data prior to the implementation of more recent business rules that I need to take account of. Useful perspective though, thanks.
rp0428 02-Nov-2013 19:14 (in response to TinyPenguin)
Sure, but then I wouldn't have access to all the data in our client database to test functions under various circumstances.
Huh? Why not? It's your database so what keeps you from creating a database link to your client database where all the data is?
Also, I suppose it's not good practice to constantly write/replace/drop functions to/from a database when developing them? Better to test the function in principle and then write to the database?
Huh? Why not? What you think a dev database is for if not for development?
Based on your two posts so far in this thread it's understandable why they don't want to give you privileges yet. Those sample 'functions' you posted are NOT a good use for functions.
In sql developer you can just create and save the queries you use most often. There is no need to create functions for that.
But if you do need an anonymous function now and then just create one using sql*plus syntax:
Our IT department are pretty sensitive about how they allow access, even to the dev environment. As you've identified, I'm not naturally a programmer so the option to play around with the data to develop some representative examples about how we can simplify and devolve SQL reporting to more members of staff is useful to me. I just wrote those two function quickly for the purpose of posting some sample data, which I thought would be helpful. Thanks for illustrating how to return their output using an anonymous block.
FrankKulash 02-Nov-2013 19:13 (in response to TinyPenguin)
Hi,
The obvious solution is to get the privileges. If your employer really wants you to do something, they need to give you the necessary privileges to do it. It's silly for them to tell you to do something, but refuse to let you do it.
Failing that, you can install Oracle on your own machine, as suggested above. It's free and legitimate if you're only using it for learning and developing. Oracle Express Edition is very easy to install.
As a last resort, you can write functions and procedures that are local to an anonymous block, like this:
Thanks Frank. Yeah I'm going to speak with our DBA next week about privileges. I've got XE/SQL Developer installed on my own computer - I wrote those sample functions using them - I just wasn't sure how to call/return anonymous blocks as both you and rp identified to develop at work as an interim solution.
Thanks a lot All,
TP.

Password change fails in SQL Developer with verify function...

A couple of months ago I enforced a password verify function on our 11.2.0.3 databases and also one legacy 10.2.0.4 database.
At the time I tested on my account (which had elevated privileges...doh!).   Now some users are hitting expiry, they can't change it via SQL Developer.
If I create a user with 'create session' privilege and set their profile to one that uses the verify function (see both below), I then log in to SQL Developer (we have tried with versions 3.1 (Windows) and 3.2 (Linux) with same failure results.
BTW,.. the password verify function enforces the following:
password must be minimum of 8 characters
password must not be the same as the user name, or user name (1-100)
password must contain at least a single digit
password must contain at least a single character
1. Works = I log into the local server and run command line SQLPlus, type 'password' and update.   I can successfully change my password.
2. Fails = I log into the local server and run command line SQLPlus, type 'alter user <me> identified by <newpwd>;' I get:
TEST: SUTEMP > alter user sutemp identified by carport9999;
alter user sutemp identified by carport9999
ERROR at line 1:
ORA-28221: REPLACE not specified
This error is because the account does not have the 'alter user' privilege.   I'm okay with this, as I don't want our users having this privilege.
3. I start SQL Developer 3.2, type 'alter user <me> identified by <newpwd>;' I get the same ORA-28221 error as above.   That is fine, and as expected.
4. Now in SQL Developer, I type 'password', set a valid password, but I get 'Failed to change password' in the Script Output tab.
I have a database 'after servererror on database' trigger set, and querying the database table it is logging into, I see a record with a date stamp matching my failure with a server_error=28221 (the same as above).
So I'm wondering if I'm doing something wrong here, or if this is a bug in SQL Developer.   I don't want standard users having 'alter user' privileges, but I do want to enforce password verification.
I get the same result on three 11.2.0.3 databases (haven't tried any more but suspect same results for others) and one legacy 10.2.0.4 database, and using SQL Developer 3.1 and 3.2.
DBA_PROFILE used:
PROFILE
RESOURCE_NAME
RESOURCE LIMIT
CTRU
COMPOSITE_LIMIT
KERNEL     DEFAULT
CTRU
SESSIONS_PER_USER
KERNEL     10
CTRU
CPU_PER_SESSION
KERNEL     DEFAULT
CTRU
CPU_PER_CALL
KERNEL     DEFAULT
CTRU
LOGICAL_READS_PER_SESSION    KERNEL     DEFAULT
CTRU
LOGICAL_READS_PER_CALL
KERNEL     DEFAULT
CTRU
IDLE_TIME
KERNEL     DEFAULT
CTRU
CONNECT_TIME
KERNEL     DEFAULT
CTRU
PRIVATE_SGA
KERNEL     DEFAULT
CTRU
FAILED_LOGIN_ATTEMPTS
PASSWORD 10
CTRU
PASSWORD_LIFE_TIME
PASSWORD 180
CTRU
PASSWORD_REUSE_TIME
PASSWORD DEFAULT
CTRU
PASSWORD_REUSE_MAX
PASSWORD 5
CTRU
PASSWORD_VERIFY_FUNCTION     PASSWORD VERIFY_FUNCTION_11G
CTRU
PASSWORD_LOCK_TIME
PASSWORD .002
CTRU
PASSWORD_GRACE_TIME
PASSWORD 21
16 rows selected.
Verify Function used:
$ cat utlpwdmg.sql
Rem
Rem $Header: utlpwdmg.sql 02-aug-2006.08:18:05 asurpur Exp $
Rem
Rem utlpwdmg.sql
Rem
Rem Copyright (c) 2006, Oracle. All rights reserved.
Rem
Rem    NAME
Rem      utlpwdmg.sql - script for Default Password Resource Limits
Rem
Rem    DESCRIPTION
Rem      This is a script for enabling the password management features
Rem      by setting the default password resource limits.
Rem
Rem    NOTES
Rem      This file contains a function for minimum checking of password
Rem      complexity. This is more of a sample function that the customer
Rem      can use to develop the function for actual complexity checks that the
Rem      customer wants to make on the new password.
Rem
Rem    MODIFIED   (MM/DD/YY)
Rem    suren       05/09/13 - customise for NIHI use
Rem    asurpur     05/30/06 - fix - 5246666 beef up password complexity check
Rem    nireland    08/31/00 - Improve check for username=password. #1390553
Rem    nireland    06/28/00 - Fix null old password test. #1341892
Rem    asurpur     04/17/97 - Fix for bug479763
Rem    asurpur     12/12/96 - Changing the name of password_verify_function
Rem    asurpur     05/30/96 - New script for default password management
Rem    asurpur     05/30/96 - Created
Rem
-- This script sets the default password resource parameters
-- This script needs to be run to enable the password features.
-- However the default resource parameters can be changed based
-- on the need.
-- A default password complexity function is also provided.
-- This function makes the minimum complexity checks like
-- the minimum length of the password, password not same as the
-- username, etc. The user may enhance this function according to
-- the need.
-- This function must be created in SYS schema.
-- connect sys/<password> as sysdba before running the script
CREATE OR REPLACE FUNCTION verify_function_11G
(username varchar2,
password varchar2,
old_password varchar2)
RETURN boolean IS
   n boolean;
   m integer;
   differ integer;
   isdigit boolean;
   ischar boolean;
   ispunct boolean;
   db_name varchar2(40);
   digitarray varchar2(20);
   punctarray varchar2(25);
   chararray varchar2(52);
   i_char varchar2(10);
   simple_password varchar2(10);
   reverse_user varchar2(32);
BEGIN
   digitarray:= '0123456789';
   chararray:= 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
   -- Check for the minimum length of the password
   IF length(password) < 8 THEN
      raise_application_error(-20001, 'Password length less than 8');
   END IF;
   -- Check if the password is same as the username or username(1-100)
   IF NLS_LOWER(password) = NLS_LOWER(username) THEN
     raise_application_error(-20002, 'Password same as or similar to user');
   END IF;
   FOR i IN 1..100 LOOP
      i_char := to_char(i);
      if NLS_LOWER(username)|| i_char = NLS_LOWER(password) THEN
        raise_application_error(-20005, 'Password same as or similar to user name ');
      END IF;
    END LOOP;
   -- Check if the password contains at least one letter, one digit
   -- 1. Check for the digit
   isdigit:=FALSE;
   m := length(password);
   FOR i IN 1..10 LOOP
      FOR j IN 1..m LOOP
         IF substr(password,j,1) = substr(digitarray,i,1) THEN
            isdigit:=TRUE;
             GOTO findchar;
         END IF;
      END LOOP;
   END LOOP;
   IF isdigit = FALSE THEN
      raise_application_error(-20008, 'Password must contain at least one digit, one character');
   END IF;
   -- 2. Check for the character
   <<findchar>>
   ischar:=FALSE;
   FOR i IN 1..length(chararray) LOOP
      FOR j IN 1..m LOOP
         IF substr(password,j,1) = substr(chararray,i,1) THEN
            ischar:=TRUE;
             GOTO endsearch;
         END IF;
      END LOOP;
   END LOOP;
   IF ischar = FALSE THEN
      raise_application_error(-20009, 'Password must contain at least one digit, and one character');
   END IF;
   <<endsearch>>
   -- Check if the password differs from the previous password by at least
   -- 3 letters
   IF old_password IS NOT NULL THEN
     differ := length(old_password) - length(password);
     differ := abs(differ);
     IF differ < 3 THEN
       IF length(password) < length(old_password) THEN
         m := length(password);
       ELSE
         m := length(old_password);
       END IF;
       FOR i IN 1..m LOOP
         IF substr(password,i,1) != substr(old_password,i,1) THEN
           differ := differ + 1;
         END IF;
       END LOOP;
       IF differ < 3 THEN
         raise_application_error(-20011, 'Password should differ from the old password by at least 3 characters');
       END IF;
     END IF;
   END IF;
   -- Everything is fine; return TRUE ;
   RETURN(TRUE);
END;
alter profile ctru limit password_verify_function verify_function_11g;
alter profile default limit password_verify_function verify_function_11g;
alter profile web_and_it limit password_verify_function verify_function_11g;

okay,... I just saw another website which shows I should put in the 'replace <oldpwd>' clause in.
This works in SQL Developer:     alter user sutemp identified by carport999 replace garage999;
So why does the 'password' command fail?     (Developers: it would also be helpful to have the ORA- error displayed as opposed to 'Failed to change password')

BUG: SQL Developer 1.5.4 attempting to connect to non-existent local DB.

For some time now I've been seeing SQL Developer 1.5.4 creating a "sqlnet.log" file in "sqldeveloper\sqldeveloper\bin" every time I used it. I've just done some testing and found that it is trying to connect to an XE instance on "localhost" after I close my last open connection. Here are the contents of the "sqlnet.log" file:
Fatal NI connect error 12541, connecting to:
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521))(CONNECT_DATA=(SID=XE)(CID=(PROGRAM=C:\Documents and Settings\ehillma\My Documents\sqldeveloper-154\sqldeveloper\sqldeveloper.exe)(HOST=LMIT-4635)(USER=ehillma))))
VERSION INFORMATION:
TNS for 32-bit Windows: Version 10.2.0.1.0 - Production
Windows NT TCP/IP NT Protocol Adapter for 32-bit Windows: Version 10.2.0.1.0 - Production
Time: 15-APR-2009 08:58:41
Tracing not turned on.
Tns error struct:
ns main err code: 12541
TNS-12541: TNS:no listener
ns secondary err code: 12560
nt main err code: 511
TNS-00511: No listener
nt secondary err code: 61
nt OS err code: 0
This is in SQL Developer 1.5.4, Build MAIN-5940, using Java(TM) Platform 1.5.0_17, on Windows XP SP2.
Ed. H.

Hi Frank
This message means that the driver code is unable to locate a DLL to load up and use. Looking at the message I suspect that the DLL in question <jtds-dist>\SSO\ntlmauth.dll .
There are a couple of ways of making the Java VM locate the DLL, assuming you are using windows then the easiest would be to add the directory <jtds-dist>\SSO to you path environment (replacing <jtds-dist> with the actual path to your JTDS distribution).
Regards
Rob Cooper

HOW TO: Open SQL Developer from a batch file with specific tables opened

I use SQL Developer daily as I develop database intensive programs.
** Question **
How can I define a specific configuration of tabs (i.e. tables, procedures, etc) to be opened upon startup of SQL Developer?
For example, creating a .BAT file to open SQL Developer with a specific set of table tabs already opened. This will save me the time every morning I use to open SQL Developer and configure all the tables I need opened.
NOTE: I have tried various options of appending a table name to a command line starting sqldeveloper.exe. For example: ..\sqldeveloper.exe mydatabase.mytable. However, this only opens a worksheet tab with the name "mydatabase.mytable" but does not open my actual table.
Any help will be appreciated.
- Gary Davis

what version are you using? Sql Dev 1.5?
Not an exact answer, but you could try using Table FILTER
click on your connection
right button on TABLES
click apply filter
as for your question, check out:
Re: EA1 - Automatically open connection list at startup?
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