Oracle is a RDBMS (Relational Database Management System) created by Oracle Corporation. It supports a large number of languages and application development frameworks. Its primary languages are SQL, PL/SQL and Java. Also included is support for C (Pro*C, OCI and EXTPROC), C++ (OCCI) and Java (JDBC) ...

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Execution time is different between normal query and query inside a stored procedure

I have following simplified query WITH Report1 AS ( SELECT SUM(t.X), SUM(t.Y) FROM Table1 t WHERE t.Date1 > :dateStart and t.Date1 < :dateFinish ) SELECT * FROM Report1 This query ...
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76 views

Enterprise Manager goes pink, legend color for other

To whom it may respond to, While monitoring our databases, we have seen that one of EM screens has gone pink, the color stands for OTHER at the legend. We have checked alert log and trc files, ...
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227 views

export query results to file

I am facing the following issue. I want to execute a query and export all the results in a file. My query is saved as in varchar2 type and i can execute immediate on it and give me all the results. ...
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61 views

in Oracle, which tables/indexes in query are responsible for disk reads?

Looking at the V$SQL_MONITOR view, I noticed some long-running queries where all the time is on disk I/O. I can see the total number of disk reads for the query. But how would I get the next level ...
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203 views

index usages on table with recursive relationship

we are working on a project that uses jpa and oracle. In this project we have a table with a recursive relation: Create table alarm ( id varchar2(200), ... alarmcode varchar2(50), parent_id ...
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77 views

Return a string from a pivot query

I have a query that uses around 6 or 7 tables and uses pivot to return a formatted string from this entire structure. Actually, today this query is dynamically generated via C#/Entity Framework and it ...
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236 views

Exception in SQL client but not in stored procedure

I am using Oracle 11g and SQLDeveloper for this scenario. In this scenario, I am trying to simulate an exception within a stored procedure but it is not happening. My DB runs in GMT. My client ...
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108 views

Oracle Merge performance

I've a question about the merge performance in oracle. I work in the business intelligence area of a big company and its quite common to have to move millions of records one side to other. The other ...
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128 views

Issue with a where clause by using Oracle

I'm currently facing a problem while I'm adding a trigger to the database that I use at home. I'm using : Oracle Database 12c Enterprise Edition Release 12.1.0.1.0 - 64bit Production The problem ...
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115 views

How to generate TPC_DS queries for Oracle?

I have downloaded the DSGEN tool from the TPC-DS web site and already generated the tables and loaded the data into Oracle XE. I am using the following command to generate the SQL statements: ...
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4k views

Database Open but Oracle gives ORA-01033: ORACLE initialization or shutdown in progress

We are using 4 node Oracle 10GR2 RAC in Windows x64. 3 instances of our database crashed today and later started normally. I started them by connecting (Remote Desktop) to individual instances and ...
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308 views

ORA-01658 on index tablespace when trying to insert into empty table of new database

We are getting ORA-01658 (Error :ORA-01658: unable to create INITIAL extent for segment in tablespace MYDATA_LDATA_INDEX) in our application logs. This happens when application is trying to insert ...
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233 views

ORA-15321: cannot set attribute with connected clients

I need to set an attribute on my ZFS Storage Appliance. I have shutdown all attached databases but still I get this message: SQL> alter diskgroup DATA_ZFS02 set attribute 'storage.type'='ZFSSA'; ...
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51 views

How to forwarding connection between 2 Oracle Database?

I have 2 Databases on independent 2 Linux server. I'm using Oracle 10G and 11G. I have this stage: client -> connect to Server A -> check Database A (check specific tablespace or database A is ...
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244 views

Oracle data obfuscation on specific columns with set field sizes

Would like to obfuscate data held in Oracle tables, but: Requirements only apply to specific columns e.g. personal data obfuscated value should not be longer then column size possibly only ...
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163 views

EMCA port Issue on Installing Oracle on Windows Server 2008 guested on VMware

I am trying to install Oracle 11gR2 on Windows Server 2008 guested on VMware Workstation 10 but I am getting this error on Enterprise Manager Configuration. I also tried to login to the database ...
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658 views

“ORA-19599: block number 1 is corrupt in archived log” while doing active duplication of database

I am attempting for Active database Duplication and facing the ORA-19599 error. Script used and error are below:- duplicate database to reynolds from active database nofilenamecheck spfile set ...
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798 views

Oracle error: UDI-00018: Data Pump client is incompatible with database version 11.01.00.06.00

I'm trying to use data pump to move the database to a different server with this command: impdp dbuser/dbpsw@dbserver directory=data_pump_dir network_link=sourceDB schemas=EMP But I got this error: ...
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65 views

Equivalent of old style join with new style

Can someone please help me write the following join expression in new style: Select tb1.col1,tb2.col2 from table1 tb1, table2 tb2 where tb1.col1>=tb2.col2 I know that the equivalent of ...
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2k views

'oracle.jdbc.driver.OracleSQLException': ORA-01031: insufficient privileges. (SYS.DBMS_XMLSAVE)

I have this function (written here by someone), placed in the package ENVER.ENCODING_VERIFIER: FUNCTION loadxml_table (p_owner IN VARCHAR2, p_tablename IN VARCHAR2, p_format IN VARCHAR2, p_tmpClob IN ...
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558 views

What problems can be caused by dropping a rollback segment manually?

Oracle version: 11.2.0.1 I have the following error: "Transaction recovery: lock conflict caught and ignored" I can't upgrade my database now. I had a RAC. Removed one node, but the undo tablesapce ...
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185 views

Installing oracle 9i on windows 7

Is it possible to install oracle 9i on windows 7 32 bit? And where can i download the standalone oracle http server?
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163 views

ORA-13901 Object UNDOTBS01 was not found. ORA-06512: at “SYS.DBMS_SERVER_ALERT”, line 7

Oracle version is : 11.2.0.1 I have created alerting on every error occurring in database, and in this alert log I've found the following errors ORA-13901: Object UNDOTBS01 was not found. ORA-06512: ...
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63 views

“Oneway” Replication from Oracle DB to TimesTen

currently I'm really stuck into a problem and I not able to finde a nice way to realize that. I need a suggestion to replicate from oracle db (some tables) to a TimesTen. A connection is only ...
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210 views

Datalink error when executing remote query

This afternoon i was working with an old datalink defined to transfer data from one database to other. It's the first time i've worked with this 'trick'. We use an specific user to work with the ...
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1k views

sqlldr: command not found

I have a script which has this command 'sqlldr' which gives me the error sqlldr: command not found when I run this script. I googled and found that people say that this command should be there in my ...
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313 views

Multiple Oracle TNS error

I have an Oracle 11gr2 32 bit on windows 2008 32 bit OS 8 gig ram. There is an application running on 6 machines simultaneously that accesses the Database on this Server. I get the below errors in my ...
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128 views

Oracle: REGEXP functions hang with “DIRECT PATH READ”

Oracle 10.2.0.5 OS: Solaris Problem: Need to filter a table with REGEXP. Occasionally sessions that execute Regexp on multiple rows hang on if SQL contain like: "where id in (1,3...) or id in ...
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54 views

Logical or in oracle PL/SQL

I have this code: declare error1 number; error2 number; error3 number; begin error1 := 1; error2 := 0; error3 := error1 | error2; -- should be error3 = 1 end; But I dont know how to ...
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4k views

ORA-03137: TTC protocol internal error

I have 11g 2-node RAC. My alert.log contains several ORA-03137 errors: Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl2/trace/orcl2_ora_10679.trc (incident=149362): ORA-03137: TTC protocol ...
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2k views

ASM drop disk hangs (STATE DROPPING)

I have added disk into the RAC system by the following way: I have disk /dev/sdh1. Marked it as an ASM disk: --On node 1 oracleasm createdisk DISK7 '/dev/sdh1'; --On node 2 oracleasm ...
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965 views

Oracle profile: PASSWORD_REUSE_TIME and PASSWORD_REUSE_MAX

Let's say I have configured PASSWORD_REUSE_TIME=1 and PASSWORD_REUSE_MAX=5 for Orale user profile. My initial understanding was that it should prevent the user from using the same password until he ...
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282 views

ClassNotFoundException when trying to deconfig Oracle Enterprise Manager

The Enterprise Manager for my Oracle 11.2 installation doesn't work anymore as described in How can I change the connection descriptor used by Oracle Enterprise Manager? and I tried to re-configure it ...
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1k views

Oracle Transaction recovery: lock conflict caught and ignored

In alert log there are a lot of "Transaction recovery: lock conflict caught and ignored" statements. I've found some information, that this error is caused when there is an active dead transaction. ...
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337 views

Execution time vary for the same query

I have a query which looks like this: select * from ORDERDOC, ORDERPOSITION where ORDERDOC.id = ORDERPOSITION.orderId --some other conditions; Execution plan looks like this: 0 SELECT ...
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93 views

How Oracle DB maintains client identification

I know in 'dedicated server' mode we have one user process for each client and pool of user process in 'shared server' mode. in either case How oracle maintains the client identification ? Please ...
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106 views

dbms_utility.get_dependency give me error “ORDER SIBLINGS BY clause not allowed here” , why?

Oracle 9.2.0.8 running at linux . I'm trying identify the dependencies of one object with the dbms_utility.get_dependency command. But unfortunately it always return the error ORA-30929... I ...
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644 views

Oracle EXP Error ORA-12704: character set mismatch

I need to duplicate a Oracle 11g Express Edition database from one computer to another computer. I tried exp sys/password FULL=Y FILE=backup.dump (the idea is to do a imp on the other pc) But it ...
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60 views

Advice on DB Changes

Requirement: I'm required to prefix a couple of strings to the existing one. I.e. The current way, the Accounts been recorded in AccountID field looks as "621230093VN00" Under the new format ...
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5k views

How to fix error ORA-00322: log is not current copy

I have to submit my project a day after tomorrow. My project is ready but I am having above mentioned error while connecting to Oracle database. I tried the following solution: Enter user-name: sys ...
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89 views

Viewing tables and data from a tablespace that was attached from another database

I'm using a database Oracle 11g. I have a DBF file of an old tablespace from a different database that I want to connect to the existing database. I've created a tablespace with REUSE caluse, and it ...
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304 views

Error ORA-06550

CREATE OR REPLACE PROCEDURE pro_department_report AS v_did department.deptid%TYPE; v_dname department.dname%TYPE; v_sname student.sname%TYPE; v_count NUMBER(2); v_sdid student.deptid%TYPE; CURSOR ...
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103 views

Oracle APEX Button creating ORA-00920

I have a table for user registration with a column for account_status which I filled with the content from SYS.dba_users. I also have a APEX application for this table and some other stuff and want to ...
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75 views

Query with large number of or'ed predicates on the same column?

At one place we need to query a table to determine whether any records exists that are in a subset of the same table. The columns that are queried are varchar columns containing file-paths, and we ...
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191 views

How does tablespace sizing works in Oracle

Let's say I have an input of 20 gigabytes of raw data (text file) which in turn I would into an external table and would then swap partition in order to place them on my database. The question now is ...
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99 views

How to grant privileges for a user to create views on specific tables on Oracle SQL?

I just added: GRANT CREATE VIEW TO user1; But it gives user1 access to ALL the tables, I would like them to only have access to the tables where the field X is user1
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133 views

Oracle - How can I improve this query?

We have performance problems with some queries. We always use the rank() function to get the latest entries with a status. The question is, how to speed up things. CREATE TABLE PAYMENT ( CLIENT ...
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351 views

Oracle Installation issue on Oracle Linux 6.4

I am trying to install Oracle 11g(11.2.0.1.0) on Oracle Linux 6.4(Remote Server). I get the following error(s) when Database Configuration Assistant is running ORA-01092: ORACLE instance terminated ...
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264 views

How to get session parameters changed by the user in Oracle?

Oracle 11.2.0.3 . I need to identify all "alter session" changed for a specific session. There is some v$session_* where I able to get this information? My objective is part of investigation what ...
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118 views

Oracle DBMS_MVIEW.REFRESH debugging output?

Is there any way to see what DBMS_MVIEW.REFRESH is actually doing? I want to investigate partition change tracking (PCT) and verify that it is indeed only updating modified partitions.