SQL Developer 2.1 general performance feedback

After testing 2.1 for several days, there seems to be a performance regression in the general interface. When running migrations, the application becomes generally unresponsive, unless you click the "run in background" button. By unresponsive, I mean that the dialog only intermittently shows updates as to what it's doing, even though work is continuing behind the scenes.
Also, when running a large script in "execute script" mode (F5), the script output in the lower window lags behind and the actual script window above, where it used to scroll to keep up with the current statement being executed, lags tremendously. Also, the interface is basically unresponsive. Clicking scroll bars doesn't work and the new "ScriptRunner" throbber or cylon scrolling eye thing freezes as well.
Minor problems, but annoying ones. Everything else is great so far, though. Keep up the fantastic work!

Have found out that if the data dictinary inquries drop the the SYS qualifier then we can implement the dolution on metalink. Any chance that this alteration can be implemented? At the moment we cannot use the tool as it is causes too many issues.
Colin

Similar Messages

SQL Developer vs TOAD - query performance question

Somebody made me notice same queries are executing slower in SQL Developer than in TOAD. I'm rather curious about this issue, since I understand Java is "slow" but I can't find any other thread about this point. I don't use TOAD, so I can't compare...
Can this be related to the amount of data being returned by the query ? What could be the other reasons of SQL Dev running slower with an identical query ?
Thanks,
Attila

It also occurs to me that TOAD always uses the equivalent of the JDBC "thick" driver. SQL Developer can use either the "thin" driver or the "thick" driver, but connections are usually configured with the "thin" driver, since you need an Oracle client to use the "thick" driver.
The difference is that "thin" drivers are written entirely in Java, but "thick" drivers are written with only a little Java that calls the native executable (hence you need an Oracle client) to do most of the work. Theoretically, a thick driver is faster because the object code doesn't need to be interpreted by the JVM. However, I've heard that the difference in performance is not that large. The only way to know for sure is to configure a connection in SQL Developer to use the thick driver, and see if it is faster (I'd use a stop-watch).
Someone correct me if I'm wrong, but I think that if you use "TNS" as your connection type, SQL Developer will use the thick driver, while the default, "Basic" connection type uses the thin driver. Otherwise, you're going to have to use the "Advanced" connection type and type in the Custom JDBC URL for the thick driver.

SQL Developer 3.0 EA2 quick feedback (outdated there is an EA3 now)

Ok, this post is outdated. Once I've tried EA3 I'll give my feedback again, hopefully not just before EA4 or the final release is released.
Since I don't see another way to give feedback about the new SQL Developer EA release, here a brief summary of my findings so far.
1. The "new and improved" SQL History is very very very slow
2. Importing my 5Mb sql history during the migration takes > 1 day, I've aborted this operation. This might be a "show stopper" for some people once the 3.0 version is released.
3. I'm missing a "keep alive" option for connections, to prevent firewalls from closing the connection while idling (true, this won't prevent firewalls from doing so when you are executing a long running query, but you should not run those from sql developer ;)
3.a. an unexpectedly closed connection shouldn't hang up the entire sql developer instance, not really needed if 3 is fixed
4. I love the schema browser, but would love if you could "open and close" the object in the same way as you can in the connection browser
4.a. It would be nice if you could default to a certain schema in the schema browser for a given connection. Perhaps a bit like what's possible with the following plugin: http://www.javaforge.com/project/schemasel
5. I love the new unload data feature, but would be nice if it still had the option to unload to clipboard
5.a. XLS export of big number columns looses precision, for example a number(38) column with all digits used.
And did I mention that the SQL History is very very very slow? This is what prevents me of using the 3.0 SQL Developer, even though I really love the schema browser, which is a great enhancement.
Edited by: user9361780 on Jan 18, 2011 7:00 AM
Edited by: Wessel van Norel on Jan 19, 2011 2:16 AM

823006 wrote:
5.a. XLS export of big number columns looses precision, for example a number(38) column with all digits used.
I believe excel only holds 15 digits of precision.
Edited by: 823006 on Jan 18, 2011 8:14 AMThen it would be nice if you can define the "excel type" of each column. So you can make this number a "string" in the XLS.
Edited by: user9361780 on Jan 18, 2011 9:12 AM

SQL Developer 2.1: Poor performance on 11g

We are experiencing poor response times for queries using sql developer 2.1 with our new 11g upgraded database (11.1.0.7). A bit of investigation has shown that a simple
select 1 from dual;
causes
SELECT table_owner, table_name
FROM all_synonyms
WHERE owner IN (USER, 'PUBLIC') AND synonym_name = :1
Has anybody else seen this?
It is not happening with other IDEs.

Have found out that if the data dictinary inquries drop the the SYS qualifier then we can implement the dolution on metalink. Any chance that this alteration can be implemented? At the moment we cannot use the tool as it is causes too many issues.
Colin

SPOOLing in sql developer does not take into consideration SET ECHO OFF

I'm running SQL Developer 3.1.07.42 on Windows 7 64 bit with java 1.7
I have the following very simple script just to show the problem:
SET ECHO OFF;
SET FEEDBACK OFF;
SET SERVEROUTPUT ON;
SET VERIFY OFF;
SET PAGES 0;
SET HEAD OFF;
SPOOL c:\test.sql
SELECT 1, 2, 3 FROM DUAL;
SPOOL OFF;
/if I run it in TOAD 10.6.0.42 it creates the file with
1 2 3This is as expected (by me)
if I run the exact same query in SQL Developer 3.1.07.42 , it creates the file with:
< SELECT 1, 2, 3 FROM DUAL
1 2 3(the < above is actually ">" but the CODE formatting software is screwing ">")
but I don't want the ECHOed command to be spooled. For the life of me, I cannot find a way to disable the ECHO from spooling in sql developer.
Tried the same in 3.0.4 and 2.1.1 with the same (bad) result (plus some warning on some of the unsupported SET commands).
Am I missing something obvious? Cause like this, the spool command cannot be used in sql developer to generate a CSV file for example, because of the echoed command. And windows doesn't come with SED by default so that is out. (plus that my original script is integrated into a much larger and complex set of scripts and the main script using them is executed from SQL Developer as a company policy (so that everybody uses the same tool and the code runs the same for everybody))
Any ideas/suggestions are welcome
Thanks.

Hi Gary, you seem to have some extensive knowledge. I'd like to follow-up on this thread and try to understand why SQL Developer won't hide the code even though I'm already running the code as a Worksheet (I assume you mean Run Script F5 button in SQL Developer).
I generally develop in SQL Developer that does a lot of dbms_output to echo data using a Spool command. When I'm in SQL Developer I can't get the code NOT to spool, it typically is echoed directly in the spool file at the top followed by the dbms_output data. If I save the sql file and run in in sqlplus it only outputs the data (good). If I use @C:\xyz_script.sql and hit F5 in SQL Developer it only outputs the data (per your previous answer) -- good.
So why can't I hit F5 in SQL Developer in the script file and have it only output the data? It just doesn't work no matter how many "SETs" you turn-off.
Looks like Echo, Term, Feed are supported in SQL Developer, maybe supported means something other than work.
http://www.oracle.com/technetwork/developer-tools/sql-developer/sql-worksheet-commands-097146.html

SQL Developer: "network adapter could not establish the connection"

Can some one help. I dont seem to know wat the problem is.
PL/SQL connection is ok.
I use userneme; scott
password: tiger
but my SQL Developer will not coonect
showing above message

Hi;
For your issue i suggest close your thread here as changing thread status to answered and move it to Oracle Discussion Forums » Application Development in PL/SQL » SQL Developer (Not for general SQL/PLSQL questions) which is seeded dedicated forum site.
Regard
Helios

Newbie to Oracle SQL Developer

Hi guys, cheers for taking the time to read this post.....
Im running a few different scripts in Oracle SQL Developer, one called CreateLocalSchema.sql, another CreateLocalProcedures,sql and a third SystemSetup.sql
When I press f5 to run the Systemsetup.sql, im prompted to "enter the identifier of system". Does this mean the SID? Ive tried XE, my username (lbell),orcl.
Not sure what to enter here. Im getting this error through most of the script output window.
SQL Error: ORA-00904: "SYSTEMID": invalid identifier
+00904. 00000 - "%s: invalid identifier+
Do i need to do anything that i havent realised? Any help would be appreciated.
Thanks

Hi 899065
It depends on the script. You are being asked for input via substitution variable '&variablename' or '&&variablename' or via the accept command.
set echo on
before running the script will display the command before the output is printed. This may be reset within the script i.e. set echo off .
Forum: SQL Developer *(Not for general SQL/PLSQL questions)*
might be worth trying if the script works in sqlplus.
-Turloch
SQLDeveloper Team

Performance issues for sql developer

1. Does leaving DB connection open from a SQLNavigator has any impact on the DB resources and performance?

That depends.
If you run a query or browse a table with parallel setup and leave a grid open - you could leave many processes sitting idle on the server waiting for you to fetch the records down.
But in general, 'no.'
Also, what do you mean by a 'SQLNavigator' - you mean SQL Developer, yes?

SQL Developer vs. SQL*Plus Performance???

Hi,
DB: Oracle 10.2.0.3.0
SQL Developer: 1.2.0
SQL*Plus: 10.2.0.3.0
I am running the same query once in SQL Developer (Response time 10 sec.)
The same query in SQL*Plus takes over 20 Minutes.
SQL*Plus is using SQL*Net right?
Is that the reason?
Thanks

Hi,
how can I check for SQL Developer?
Does SQL Developer use SQL*Net also?
I changed the arraysize to 1000
but does not see any performance gain.
The query still taking more than 6 minutes.
The same in SQL Developer runs within 10 seconds!
Thanks

Feedback deferred constraint is incorrect in sql developer 2.1.0.63.41

In the earlier 2.1.0.63 the set contraint didnt work entirely in sql developer.
In this new release the set constraint can be executed and it works, however when you violate a constraint there is no feed back.
example:
I create the following table and insert 2 rows
CREATE TABLE d_orafout
( code NUMBER CONSTRAINT d_codepk PRIMARY KEY DEFERRABLE,
message VARCHAR2(50))
INSERT INTO d_orafout VALUES(904,'invalid table name')
INSERT INTO d_orafout VALUES(903,'invalid column name')
Then i execute:
set constraint d_codepk deferred;
set succeeded.
Then an update that violates the primary key:
update d_orafout set code = 903 where message = 'invalid table name';
1 rows updated
Then when i commit i should get the following error (which works fine in SQL*Plus):
ORA-02091: transaction rolled back
ORA-00001: unique constraint (NWG806.D_CODEPK) violated
However the commit gives me the following output:
commit;
commited
The transaction is not commited, it is rolledback but i dont get the error i need.

Hi <please supply your name>,
Thanks for this feedback,
I have replicated this issues and I have logged a bug.
Bug 9201183 - COMMIT REPORTING COMMIT INCORRECTLY WHEN USED WITH SET CONSTRAINT DEFERRED
Regards,
Dermot.
SQL Developer Team

Performance problem with slow VIEW from JDBC (fast from SQL Developer)

Hi all,
I'm experiencing following problem and would like to know if someone else also hit this one before and has a suggestion how to solve it:
I have a pretty complicated SELECT statement that per definition returns only a few rows (~30). With no further optimization it takes ~20 seconds to return the full dataset in Oracle SQL Developer. If you add the */+ PUSH_PRED(name_of_some_inner_view) /* hint (hint is correct, stars got eaten by the OTN-forum syntax), the statement takes less than 0.5s to execute (still in SQL Developer). I saved the statement with the hint as VIEW. Selecting from the VIEW in SQL Developer is also fast.
Now if I call the statement from JDBC (Tomcat webapp), I can see from the server console that the statement is 1:1 100% the same as the one I execute in SQL Developer. Nevertheless it takes about 20 seconds to complete.
Here my details:
SELECT banner FROM v$version;
BANNER
Oracle Database 11g Express Edition Release 11.2.0.2.0 - Production
PL/SQL Release 11.2.0.2.0 - Production
CORE     11.2.0.2.0     Production
TNS for 32-bit Windows: Version 11.2.0.2.0 - Production
NLSRTL Version 11.2.0.2.0 - Production
JDBC Driver used: some old odbc14.jar as well as current odbc6.jar for 11.2.0.2.0 from http://www.oracle.com/technetwork/da...10-090769.html
SQL Developer: current version 3.2.20.09From my reading this could go wrong:
- JDBC doesn't know the VIEW's column data types and Oracle behaves mysterious because of this (=there must be more to the SELECT than just the string, some meta-information)
- For some reason the hint inside the VIEW is not used (unlikely)
I also tried a Table Function/Pipelined table and selected from it as a workaround, but the result is the same: Selecting from Function is fast from SQL Developer, but slow from JDBC. All other statements that come from JDBC are as fast as they should be. I really don't know what to think of this and where the error might be.
Is there some setting that tells Oracle not to use hints when called from JDBC?
Thank you & Best regards,
Blama

Hi Bawer,
that's what I'm thinking. Unfortunately I can't post it, as it is library code (not my lib). But in the debug-output I can see the SQL-String sent to the DB (which does include the hint).
But I find the 2nd option you mention more likely anyway: Even if I put the hint into a VIEW and select from the view, the time-difference is there (it's even there if I use Table Functions/Pipelined table and select from the function).
So I'd think it is more likely that something else is happening (e.g. Oracle is configured in a way that it does not use hints when called from JDBC or similar. Or the library sets some session options in order to prevent the usage of hints). But I don't know if there is even the possibility of doing so.
Does the Oracle JDBC driver have the option to set these options?
Does the Oracle DB have the option to set sth. like "ALTER SESSION SET dontUseHints = 'Y';"

Help: SQL Developer Feedback Forum?

I can't seem to find the appropriate place to post this -- but I recently downloaded SQL Developer v1.5 and it cannot save database connections. Error log reads as "DatabaseConnections has no JNDI context so cannot list connections"

SQL Developer
Greetings...
Sim

ORA-01041 Error while query in PL/SQl Developer

Hi All,
I am trying to execute a simple select statement in PL/SQL developer. After the query gets executed i am getting a error
ORA-01041 internal error. hostdef extension doesn`t exist.
But when i perform the same query in sqlplus, i do not receive this kinda error.
Does any 1 have a idea on this error?
Regards,
Ritesh Khuller

PL/SQL Developer is a third-party tool and not from oracle.
maybe you have better chances in the rdbms-forum where they know more about hostdef's
PL/SQL
General Database Discussions

Tnsnames.ora file does not seem to load in SQL Developer

I've really tried my best to figure this out on my own ... through the Help, this forum, and Internet in general. I apoligize in advance for having to ask this, since I'm sure this is a common issue. This particular form entry was really close:
Database Connections will not load tnsnames.ora
But, I just can seem to figure out why, or where entries from my tnsnames.ora file are loading into SQL Developer.
- I have the TNS_ADMIN system environment variable defined to the directory where tnsnames.ora is stored - C:\oracle\product\10.2.0\client_1\NETWORK\ADMIN.
- I do not see a TNS tab as the forum entry above indicates anywhere in SQL Developer - This may be my problem.
It seems that this issue could be cleared up with better directions on how to import tnsnames.ora entries into SQL Developer. Is there any specific direction on how to get your tnsnames.ora file setup correctly with SQL Developer running on Windows XP - Besides the Help which mentions the setup of TNS_ADMIN, but doesn't really tell you what the expected result is, or where the entries will be, or how to verify this is working?
Any help would be most appreciated.
Thanks,
Dave
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Oracle SQL Developer TimesTen oracle.sqldeveloper.timesten 1.5.1.1.2 Loaded
Oracle SQL Server Browser oracle.sqldeveloper.thirdparty.sqlserver 11.1.1.54.40 Loaded
Oracle Sybase Browser oracle.sqldeveloper.thirdparty.sybase 1.2.1.54.40 Loaded
Oracle XML Schema Support oracle.sqldeveloper.xmlschema 11.1.1.54.40 Loaded
PROBE Debugger oracle.jdeveloper.db.debug.probe 11.1.1.0.22.49.42 Loaded
Peek oracle.ide.peek 1.0 Loaded
Replace With oracle.ide.replace 11.1.1.0.22.49.42 Loaded
Runner oracle.ide.runner 11.1.1.0.22.49.42 Loaded
SQL Worksheet Window oracle.sqldeveloper.sqlworksheet 11.1.1.54.40 Loaded
Search Bar oracle.ide.searchbar 11.1.1.0.0 Loaded
Snippet Window oracle.sqldeveloper.snippet 11.1.1.54.40 Loaded
Sybase 12 oracle.sqldeveloper.migration.sybase12 11.1.1.54.40 Loaded
Sybase 15 oracle.sqldeveloper.migration.sybase15 11.1.1.54.40 Loaded
Tuning oracle.sqldeveloper.tuning 11.1.1.54.40 Loaded
VHV oracle.ide.vhv 11.1.1.0.22.49.42 Loaded
Versioning Support oracle.jdeveloper.vcs 11.1.1.0.22.49.42 Loaded
Versioning Support for CVS oracle.jdeveloper.cvs 11.1.1.0.22.49.42 Loaded
Versioning Support for Subversion oracle.jdeveloper.subversion 11.1.1.0.22.49.42 Loaded
Web Browser and Proxy oracle.ide.webbrowser 11.1.1.0.22.49.42 Loaded
oracle.ide.dependency oracle.ide.dependency 11.1.1.0.22.49.42 Loaded
oracle.ide.indexing oracle.ide.indexing 11.1.1.0.22.49.42 Loaded

Using Windows XP/Vista...
After testing in our environment, it appears that SQL Developer 1.5.1 (5440) does in fact ignore the TNS_ADMIN environment variable and ONLY looks in the Oracle Home directory (network/admin). We define a central network location for our tnsnames file and have the tns_admin setup to point there instead of locally for our users.
When selecting to add a new connection (in 1.5.1, it works in previously releases... meaning 1.2.something) and selecting TNS, the drop-down remains empty. However, if I exit SQL Developer and then copy the tnsnames file to the local network/admin directory I can then re-launch SQL Developer and the drop-down is populated. Exiting SQL Developer again, deleting the local copy of tnsnames, and then launching SQL Developer yet again results in the drop-down being empty.
All other Oracle-related applications function as expected (as they have for years) using the TNS_ADMIN environment variable.
Any suggestions/ideas?

Issue connecting via proxy client in SQL Developer 4.0

Hi SQL Developers,
I should have posted this earlier, as I have been using SQL Developer 4.0 for several months and noticed the issue some time ago. The environment I am connecting to uses a Windows ISA Proxy desktop client to allow traffic to some databases. I generally use the Oracle Client and OCI connections in SQL Developer. At some point during the SQL Developer releases, connectivity stopped working for certain databases behind the proxy.
The following clients connect to the database behind the proxy without issue:
SQL*Plus 11.2.0.1 64-bit
SQL Developer 4.0.0.12.84 using the SQL*Plus client and OCI
Connectivity to the database behind the proxy does not work with these versions:
SQL Developer 4.0.0.13.80 (tested with Oracle client, thin, etc.)
SQL Developer 4.0.0.13.30 (tested with Oracle client, thin, etc.)
Error Message:
An error was encountered performing the requested operation:
IO Error: The Network Adapter could not establish the connection
Vendor code 17002
Connectivity to other non-proxied databases works for all clients above. I've tried re-creating the connections, re-installing, etc. Nothing works except going back to the earlier version of SQL Developer.
Has anyone else experienced this behavior? I am trying to determine whether the proxy is stopping the client based on a signature or if the client is not routing the connection correctly.
Thanks,
Shad

I think I have found a solution.
Run the command prompt (CMD) in windows and type in the following:
setx _JAVA_OPTIONS -Djava.net.preferIPv4Stack=true
I got this from a java developer and now I'm able to connect

SQL Developer 2.1 general performance feedback

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