The second and terminal release of Oracle Corporations Oracle 11g database product. 11.2 was released for Linux on September 1st, 2009. New features added include RAC One Node, Improved data compression ratios (up to 20x), Edition Based Redefinition, Recursive Subquery Factoring, Instance Caging, ...

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when to use embedded PL/SQL gateway with Oracle APEX?

Oracle Application Express (APEX) requires one of the following three options for an HTTP server: (1) Oracle HTTP Server (with mod_plsql), (2) Oracle Application Express Listener, or (3) an embedded ...
2
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1answer
2k views

Oracle DB hanging after upgrade to 11.2.0.3

The database is hanging randomly (with some leniency I would say almost each hour). Top session is: select privilege# from sysauth$ where (grantee#=:1 or grantee#=1) and privilege#>0 or select ...
2
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1answer
157 views

May I Convert Non RAC db to an RAC DB and add on a Node?

Currently my work env as 1 node none RAC database 11gR2, we are getting another machine (Linux), so I need to add on this node to our currently env and becoming a RAC db. What is the best way/route to ...
2
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1answer
3k views

Oracle Wallet Setup ORA-12578

I am having trouble setting up the Oracle Wallet on a new box connecting to a new database. I have added the following lines to my SQLNET.ORA: SQLNET.WALLET_OVERRIDE = TRUE WALLET_LOCATION = ...
2
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1answer
2k views

Best methods for ingesting XML into Oracle 11gR2

I have a large Oracle 11g Instance. I now have a requirement to convert large amounts of XML into records in several related tables. The xml will arrive frequently at irregular intervals. The ...
2
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1answer
511 views

How to configure so the Oracle wallet password can be authenticated with a web based Oracle application?

Does anyone know how to configure it so that the Oracle wallet password can be authenticated with a web based Oracle application? I’m trying to make secure LDAP connections with an Oracle web based ...
2
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0answers
25 views

Attaching Existing Oracle Home to fresh Windows Install

I have a client who recently was forced to reformat and reinstall Windows Server 2008 R2. Their ORACLE_HOME (Oracle 11g) and all of the data was located on a D: drive that was not reformatted. Can I ...
2
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2answers
310 views

FileWatcher Troubleshooting Options

I have setup a Credential/Procedure/Program/File Watcher/Job to monitor a folder for new files, but it is not working. I am trying to figure out what I can check to troubleshoot why this isn't ...
2
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1answer
99 views

What's the most appropriate NLS_SORT parameter to cover all/most European languages?

I'm developing an Oracle 11g-based application which is likely to be used by clients in many different countries (mostly European). I want the program to change its NLS_SORT so that it's case ...
2
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0answers
565 views

Oracle 11g R2 - same query sometimes fast, sometimes slow

I have a simple update query on a table with about 100 rows in it: UPDATE RESULTS_DATA SET IMAGE_BLOB=:myBlob WHERE MEASUREMENT_INDEX=:mIndex AND BATCH_ID=:batchId AND SYSTEM_ID=:sysId ...
2
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1answer
727 views

Why ORA-00932: Inconsistent Types error?

Sorry for the meaningless title, but I couldn't think up a better one. I'm using Oracle 11g r2. The following query raise ORA-00932 error: SELECT BBB.FIELD1 FROM TABLE0 AAA JOIN (SELECT * FROM ...
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0answers
850 views

Oracle high Paging Faults

What are the reasons that lead to terrible high Paging faults. The following is the topas information and background about the Environment. OS: AIX 6.1 Softwares: Oracle 11gR2 Paging Space:30720 ...
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0answers
495 views

Where can I find a syntax reference for Oracle SQL Developer's “Generate DB Doc” function?

Oracle SQL Developer (I'm using v3.2) has a feature called "DB Doc", which generates documentation for database objects. I mostly want to use it to generate documentation for my stored procedures, ...
2
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1answer
1k views

Oracle 10gR2 to 11gR2 upgrade - performance hit [closed]

We've recently upgraded from Oracle 10gR2 (10.2.0.4 ) to 11gR2 (11.2.0.3) and we are noticing a significant hit in performance although execution plans are the same for the offended queries before and ...
2
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0answers
804 views

ORA-01017: invalid username/password; logon denied

I've come across the abnormal situation, and can't understand what happens. I am connecting databases using PL/SQL Developer 8.0.4.1514(I've also tried v7,but same) . Sometimes(When I am trying to ...
2
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1answer
317 views

Table Statistics Affect Index Only Query?

We have a query that was getting poor performance. The root of the problem could be reproduced using a simple query accessing only one index to retrieve one column (the indexed column) from eight ...
2
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0answers
342 views

Isssue with Database Links converting OEM Job to DBMS_Scheduler Job

We had an OEM job that would run a PL/SQL block using a particular database users credentials. The credentials are the same for two different databases, so there was no problem for the block to use a ...
2
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2answers
810 views

Oracle imp crashes without error

I have Oracle 10g XE database locally. I export schema with something like exp %USER%/%PASSWD%@XE statistics=NONE owner=%USER% file=dump.dmp Exp is 10.2.0.1.0 version - so is the DB. Than I take ...
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2answers
68 views

Oracle becomes too slow after system crash

I am using Oracle 11.2 as a database for my application. For this purpose I should import my data (around 100m records) to this database. For this purpose I used SQL Developer. Unfortunately at the ...
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2answers
637 views

Factoring out subselect (with clause) ends in ORA-00904

I am trying fo factor a repetitive subquery with with but getting ORA-00904 over and over again. This is my base query which works quite well: select tka.id, tka.name, txt.text as langname, ...
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2answers
4k views

How high can I set undo retention on Oracle 11gR2

Is it viable to set a very high undo retention, as to allow flashback queries several weeks back in time? Naturally, enough space must be available in the undo tablespaces to contain the amount of ...
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1answer
175 views

Why am I not seeing any benefits of parallel execution when parallel clause is used?

I have these two methods of creating a table and populating with rows. The first one uses a parallel (degree 3) clause, so I expected the inserts to be much faster. But I timed the time taken for a) ...
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1answer
743 views

can I replace nulls in a PIVOT with zeroes?

I am using the PIVOT function in Oracle and am curious if I can replace the null values with zeroes? I know I can wrap the entire query in another SELECT and then use COALESCE on the values, but I am ...
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1answer
396 views

Should a table be partitioned before or after an INSERT?

I have a fairly simple question that is proving hard to search for. I need to create a table that will be partitioned and into which (lots of) data will be loaded. Is it more efficient to create the ...
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2answers
470 views

Why does my query run faster after I force full table scan?

I have a MERGE statement that took forever to execute the select as the table it is running from (SUB_DATA) is rather big (read 1.4 Tb, 700 million rows). My SELECT looks like this. SELECT ...
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2answers
2k views

Sum values from two tables ORACLE

I want to use two values, in two different tables, to be used as a total in a third table. For instance: table accommodation and flight Add value from acc_price with value from flight_price Add ...
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1answer
48 views

Redundant transpose. Case is not enough to solve my problem

I have db problem in transposing rows to columns. I am half way through the result but getting redundant data. My table: EMP_ID EMP_NAME SAL_PAID 01 ABC JAN 01 ABC FEB 01 ...
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2answers
284 views

oracle tablespace extending

While under massive write (insert and create table as) load, when Oracle RAC needs to extend tablespace, all write activity gets blocked for however long it takes it to finish extending (tens of ...
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1answer
161 views

INDEX Creation Advice Oracle

I have a table that has time data of 2 billion records obtained from the clients. The data has two main columns, date and entity_id. The attributes date, and entity_id would make a unique pair. ...
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1answer
4k views

How do I find out the “redo log file max size” in Oracle 11R2

I'm working with Oracle 11R2 and I want to see the max size of my redo log files (I didn't install Oracle so I'm not aware of the configuration). I have searched the Internet but all I have found ...
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1answer
66 views

Verify if I can use a given directory

Admin creates an Oracle directory: CREATE OR REPLACE DIRECTORY EXAMPLE AS '\\server\share\test'; GRANT READ, WRITE ON DIRECTORY EXAMPLE TO JOHN; Admin can test whether the directory exists: SELECT ...
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1answer
477 views

Oracle Client vs Oracle Instant Client on Linux!

to have the following setup on a Linux box: SQLPlus client library (oci.dll)!!!! ORACLE_HOME is set for users is Oracle Instant Client enough or I need to have the Oracle Client installed on the ...
1
vote
1answer
601 views

Repartition Primary Key Index online in Oracle

I have an 24x7 OLTP (11gR2) application that endures heavy inserts on particular tables, traffic has increased to the point where we are getting heavy index contention. We use sequences for the ...
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2answers
41 views

Oracle result cache behaviour

Oracle by default caching the query results and function results(Buffer cache). I have noticed this with AutoTrace utility, where the physical reads are huge on first execution, but from next ...
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1answer
419 views

Delete shared memory segments left over by an Oracle instance

We're using Oracle Enterprise 11rR2 running on Solaris. How can I delete/remove allocated shared memory segments using ipcrm? I'm getting this error: ORA-01041: internal error. hostdef extension ...
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2answers
156 views

Expand sparse table with self outer join on distinct values

I have this: g1 | g2 | x ---------+-----------+----- New York | Monday | 210 New York | Tuesday | 258 Chicago | Monday | 30 Chicago | Wednesday | 25 LA | Thursday | 40 ...
1
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1answer
188 views

need to use PLSQL to insert distinct rows

I need to take some data from Table A, use some logic, and then insert one or more rows into Table B. I have a PLSQL block that brings in data from Table A with a cursor, performs all the logic ...
1
vote
1answer
188 views

Strange behaviour of a query with order by and rownum on Oracle's Exadata server

I am executing the following query on two different database servers: SELECT start_date, end_date, resort_id FROM employee_activity WHERE employee_id = 27 AND start_date < ...
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2answers
200 views

Count events on “user based” sliding window

So, if I wanted to know how many events a certain user bought in certain timeframe windows. I will use 7 for the example, but the query should accept this number of days as a parameter, which will be ...
1
vote
1answer
247 views

Change a partitioned global non-unique index that is the primary key to a non-partitioned unique index

One of the largest tables in our system has its primary key setup as a globally ranged partitioned (in huge, useless, multi-billion value ranges) non-unique index. Its values are just a sequence ...
1
vote
2answers
441 views

Why Oracle 11g installs in folder C:\app\<name_of_user>

Just curious, now Oracle 11g installs by default in folder C:\app\ Why? Before, Oracle was installed by default in folder C:\oracle... Why now is created "app" folder?
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1answer
3k views

How to make stored procedure with outputs OUT sys_refcursor, OUT varchar2, and OUT number, then use in c#.net app

What is the syntax for a stored procedure that outputs a refcursor, a varchar2, and a number? I would like to output all three in the result, for the purpose of displaying count, and a message which ...
1
vote
1answer
8k views

Oracle DBCA utility: “Listener is not up or database service is not registered with it”

I'm a software engineer with some experience on SQL Server but a newbie on Oracle. I'm attempting to run dbca on a remote linux machine to reconfigure a database that was initially configured to idle ...
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1answer
720 views

Oracle backup with RMAN Options?

I'm trying to learn RMAN but getting confused everytime I read Oracle docs! Can someone help me what are the differences and when to use the following? BACKUP DATABASE PLUS ARCHIVELOG DELETE INPUT ...
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vote
1answer
2k views

Error calling stored procedure from trigger in Oracle Database 11g

I'm trying to create a trigger that calls some Java code whenever a table is inserted/updated. I'm aware of possible performance issues, I don't need advice that I should not do this; I just need to ...
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2answers
3k views

Installing Oracle 11g on Ubuntu 11.10

Does anyone know to how to install Oracle 11g on Ubuntu 11.10?
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1answer
7k views

Where all can the /*+ PARALLEL */ hint be used?

It works with SELECT and UPDATE statements. Are there some more statements with which it works? I was able to use it with create, but am not sure if the hint was actually considered. SQL> create ...
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1answer
363 views

SHA-256 hashing in oracle 11g

How can i encrypt or hash a password inside a trigger using sha-256 so that i can store the hashed value in another table using that trigger? Also how can I decrypt it??
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1answer
76 views

Field Level Auditing in Oracle 11g R2

I want to enable auditing on some column in a table. I have tested the SYS, Schema and Table level auditing. Guide me or refer me some document to enable auditing on column level.
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1answer
62 views

Oracle 11g database structural change doesn't autobackup controlfile/spfile

I have configured controlfile autobackup: CONFIGURE CONTROLFILE AUTOBACKUP ON; CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '/u02/backup/%F'; Then added a test tablesapce into ...