Oracle Database 11g (not 11g R2). Please also tag oracle for search purposes.

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How to concatenate using cast(collect()) in Oracle DB?

My current query: select distinct mb.BP_TYPE,mb.ABS,mb.BLD_SEQ_CODE, mb.BPCODE||'~'||(select LISTAGG(mbp.PROCEDURE,' ') within group(order by mbp.LINE,mbp.SLN1,mbp.SLN2) from MIS_BS_BB_PROC mbp ...
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42 views

How to convert following mysql query to oracle?

I have a mysql query like following, Column time contains date in long format. SELECT FROM_UNIXTIME(CEILING( Time/('20160'*1000)) *'20160', '%Y:%m:%d %h:%i') AS Time, SUM(CreatedInstanceCount) AS ...
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32 views

Oracle connection through visual studio

I installed oracle client 11.2.0 version in my machine and also installed Oracle data access providers for visual studio.I also installed Oracle Data Access 11.2.0.3.20. I am trying to connect to the ...
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2answers
43 views

Oracle how do i see who connected to my database

I am using oracle 11g and I would like to see who connected to my database some hours ago. In what file can I see those who have connected to my database through a network connection? Thanks
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229 views

sqlplus not connecting to Oracle XE 11g

I installed Oracle XE 11g on my Ubuntu in vmware fusion. The oracle installation is all went fine but I am not able to connect the oracle database using sqlplus. I am getting this exception: $ ...
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421 views

Oracle crashing on CentOS

Here is alert_XE.log: kkjcre1p: unable to spawn jobq slave process Errors in file /u01/app/oracle/diag/rdbms/xe/XE/trace/XE_cjq0_23146.trc: Process J000 died, see its trace file kkjcre1p: unable to ...
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73 views

How to update scheduler job credentials in oracle enterprise manager?

I have a job scheduled in oracle 11g which runs on daily basis. Job is running with User "user_dba" (unix server user). The job is failing from the day I changed the password for the user "user_dba". ...
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94 views

CREATE TABLE AS SELECT creates non-nullable columns

I am using the CREATE TABLE AS SELECT statement in Oracle 11g to get data from SQL Server 2012 via a database link. Oracle creates all these tables with non-nullable columns and that causes me ...
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485 views

Control file creation failed

I lost all the control files and I don't have backup for it. Control file creation failed SQL> CREATE CONTROLFILE SET DATABASE "UAT02" RESETLOGS NOARCHIVELOG MAXLOGFILES 16 MAXLOGMEMBERS 2 ...
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407 views

Why doesn't “As SYSDBA” work from SQL Developer?

I am a SQL Server developer/DBA consultant who is helping out a customer who recently lost their Oracle DBA. I have done development on Oracle, but not much DBA work, and not in multi-homed ...
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171 views

How can I optimise an Update on a large table?

I am using Oracle 11g, I have to update 7 fields on a table with 14 millions of rows, the updated columns get the new value from functions, the update looks like: update hslak set HSLAKSTS = ...
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Oracle 11g databse control with Enterprise manager on Windows 7 64 bit error

I am trying to install Oracle 11g on Windows 7 64 bit. I get Successful installation until when I get to connect to the database I got a message error.I login as a Username "Sys" with password and ...
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1answer
156 views

Problem using sample schemas by Oracle in Oracle APEX

I am new to Oracle and Oracle APEX. I have been practicing to make Oracle APEX database application using "hr" schema of the database. Before doing so, I unlocked the schema, along with schemas ...
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3answers
11k views

Oracle 11g SYSDBA login

I installed Oracle 11g on my win xp machine. Now I want to connect to the database. I was told that to connect to the database from command prompt I should use SQLPLUS "/ AS SYSDBA". But I want to ...
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Is there any difference between Rem and — comments for SQL*Plus?

On SQL*Plus prompt, both Rem and -- qualify as comment indicators: Rem this is a comment -- this is also a comment create table emp ( id number primary key, name cvarchar2(40)); Is there any ...
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1answer
13 views

Oracle generated column aliases different on two DB's

We have a legacy application we cannot modify that connects to Oracle 11g and at some point runs a query and returns a result. The application however is using the "generated" column name from Oracle ...
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95 views

Oracle - Service Account vs Database Account?

I'm a developer and not a DBA, specifically not an Oracle DBA. I have a Java application that is connecting to a Oracle 11g R2 database. I have an account and schema called "OBR". I am being told the ...
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How do you schedule the times that a material view can refresh in oracle 11.2g?

Currently we schedule MV refresh's hourly, but this is causing a problem due to conflicting timeslots with the overnight routines. Is it possible to either block refreshes between certain times of the ...
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15 views

Oracle Database keeps JDBC pooled connections on DRCP configured port as dedicated

Our developers have had an application in java that connects to the database and JDBC was controlling their connection pools. To comply with pooling requirements for our PHP developers, we enabled ...
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43 views

What the exact different between Oracle Fusion Middleware and alternative (Non -Fusion)?

I have properly working CentOS release 6.7 (Final) and I have installed Oracle Database 11g Express Edition, Oracle SQL Developer (Working properly). Now I want to install Oracle Forms and Reports ...
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85 views

Oracle 11 rman db restore file corruption

First to mention that I came to the need of asking help after furious research I reattempts for about 3 weeks. I checked previous threads in Oracle community but nothing works for me. I am trying to ...
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58 views

I cannot start Oracle 11g

I cannot start Oracle 11g after a reboot. Configured Using ASM. I'm New to Oracle domain. # crsctl start has CRS-4124: Oracle High Availability Services startup failed. CRS-4000: Command Start ...
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27 views

Decode html containing html entities in Oracle 9i

I'm trying to decode html containing html entities. I've tried utl_i18n.unescape_reference and it works great in Oracle 11g but I need to use the same functionality also in 9i where utl_i18n was not ...
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primary key, foreign key relationship between the department and employee tables How do I install? (sql_developer) [closed]

Employees table: Column names: EMPLOYEE_ID EMPLOYEE_NAME EMPLOYEE_LASTNAME JOB EMPLOYEE_BUSINESS_PHONE EMPLOYEE_GSM SALARY HIRE_DATE E_MAIL DEPARTMAN_NO NOTE: For this table EMPLOYEE_ID is ...
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1answer
114 views

Select performance problems with conditional index vs non-conditional on large volume table

We are trying to change some indexes on a large-volume table to be conditional indexes (function-based indexes) to reduce how much space is being used for indexes against this table. When testing the ...
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8k views

Sql*Plus ERROR: ORA-12154: TNS:could not resolve the connect identifier specified

I installed Sql*PLUS on a cloud Oracle Linux Environment in order to access an remote database. I used the installation instructions provided as an answer here: ...
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Minimum Oracle table size making IOT advisable?

I have inherited an IOT that doesn't seem to merit it because: only 25k rows fairly pure join table, non-index fields rarely queried total index width only ~125 bytes total row width only ~160 bytes ...
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1answer
249 views

Updating row of one table using rows of another table based on specific conditions

I want to update OFFICE_ID,OFFICE_TYPE of FA_SUBLEDGER_MST table, by using OFFICE_ID,OFFICE_TYPE from EMPLOYEE_MST table based on following conditions: EMPLOYEE_MST.SL_CODE = FA_SUBLEDGER_MST.SL_CODE ...
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64 views

Reading XML content

Please assist. I want to read the following xml file using Oracle database. Fields that I want to see are class, limit and sel. This Xml is stored in a database table as a field/column. Thank you ...
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45 views

Why is my valid index not working with DBMS_COMPARISON.CREATE_COMPARISON?

Thanks in advance. I'm trying to use the DBMS_COMPARISON utility to check records in the existing schema vs. other linked databases. The table has a composite primary key. It consists of the NAME ...
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48 views

SYSAUX used space close to 100%

I am using Oracle 11g database server. I checked the SYSAUX used space using Object Browser, and it shows 99%. What will happen if it reaches 100%?
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54 views

Is there any better way in oracle to enable parallel other than this?

I want to do do following set of operation. execute immediate "alter session enable parallel query"; execute immediate "alter session enable parallel ddl"; execute immediate "alter session set ...
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206 views

Troubles on export data with PL/SQL developer

I'm trying to export data from a specific table using PL/SQL developer and Oracle 11g. Here's how I did : select * from mytable right click on mytable then "Export data" chose my table on a grid ...
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55 views

Prompt user for input using substitution variable

DECLARE localvar char; BEGIN localvar := &ENUMBER; IF localvar ='A' then dbms_output.put_line('Please proceed to Level1'); ELSIF localvar='B' or localvar='C' then ...
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202 views

Combining data of multiple rows in view

I have a table that holds timetracking data of users and looks somewhat like this: projectid activityid worklocationid year week day hours 1 22 21 2014 37 ...
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49 views

Oracle11g - Convert alpha characters to numeric in select

I am only able to convert alpha characters to numeric by nesting REPLACE. Is there a better way to handle this? Desired conversion: a - 1 A - 1 b - 2 B - 2 c - 3 C - 3 ... z - 26 Z - 26 Example: ...
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59k views

Oracle 11g listener fails with ORA-12514 and ORA-12505 errors

I run an instance of Oracle 11g locally on my development machine and can connect to the local instance directly via SqlPlus: c:\>sqlplus ace SQL*Plus: Release 11.2.0.2.0 Production on Mon Mar ...
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35k views

Convert a Unix timestamp to a DATETIME in a View

I have a table that stores a unix timestamp. To query this as a date, I'm attempting to convert this timestamp to a datetime type in a view. Unfortunately, I can only seem to get the DATE portion out. ...
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334 views

What privileges are needed to run EXPLAIN PLAN FOR CREATE INDEX?

My user can EXPLAIN PLAN FOR any query I like, but not for CREATE INDEX. I need to do that in order to estimate a suggested index's size, and using sysdba is out of question. What privileges should I ...
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1answer
107 views

Is it possible to copy mounted database without RMAN?

I need to make a copy of production database for development. For some reason I can't use RMAN. My question is: can I copy standby database while its in mounted state and recovery is canceled? Of ...
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4k views

cursor: pin S wait on X in 11g

This has been one of top5 wait events in our database, even though there were not many waits but we see it as a potential threat, we want to find the root cause and solution. Any advice will be ...
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Oracle database doesn't go to upgrade mode

I am trying to upgrade/migrate from 10g to 11g. When I start the database in upgrade mode with: startup upgrade select status from v$instance STATUS -------- MOUNTED It doesn't go to upgrade ...
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2k views

ORA-01157: cannot identify/lock data file 201

SQL> select FILE_NAME,TABLESPACE_NAME from dba_temp_files; * ERROR at line 1: ORA-01157: cannot identify/lock data file 201 - see DBWR trace file ...
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1answer
165 views

Remote connection issue from windows machine

I have installed database 11g on machine A (Windows). Now I need to access that database from machine B (Windows), where my application is placed. I am able to ping B --> A but telnet is not working. ...
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349 views

Is there are a way to restore System schema to it's original state?

I've installed Oracle 11g Database Enterprise Edition and my task was to import schemas. I'm totally new so I ran command: imp system/password file=path.dmp full=y And import everything (10 dumps, ...
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612 views

How to drop invalid Java classes from Oracle?

I tried to load some jars into my database, but I think I messed up something, because I tried as DBA and then with some oracle user... This was my first command: call dbms_java.loadjava('-genmissing ...
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column values combination

I have chains of nodes like A -> B -> C -> F D -> E and store them in an Oracle table pair with 2 columns left_node and right_node left_node right_node A B B C ...
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What are the mandatory/required oracle 11g tablespaces?

Ok, what are the mandatory tablespaces in oracle 11g. My research has lead me to believe there are three of them: System, Sysaux, and Undo. However since I am taking the OCA and all the ...
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1k views

How to create an Oracle Database Link when the password has special characters

I'm trying to create a DBLink. SQL Developer is the client I'm using. The password to my remote user has *'s in it. I'm having trouble figuring this out. This syntax isn't working: CREATE DATABASE ...
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Do I need to create tablepspace and also add all datafiles before import schema using datapump

Do I need to create tablespace and also add all data files before import schema using data pump or impdp add all data files itself first and then unload data into it..?