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Oracle Questions
UPDATE duplicate row
Comments: 2
I'm looking for an UPDATE statement where it will update a single duplicate row only and remain the rest (duplicate rows) in Oracle or PL/SQL? Here is an example student table to work ...
Compare CLOB to a character in a SQL statement
Comments: 6
I have a SQL statement: select * from user_preferences a, employee b where a.user_id = b.employee_id and a.pref_value = 'N'; The problem is pref_key colum...
Triggers not firing - troubleshooting
Comments: 14
On Oracle 11g Enterprise I have rather large compound triggers that I discovered were not firing this morning (and maybe never were, I'm setting up a new server and the trigger structure wo...
how to delete or reduce the size of the log.xml on a 11g …
Comments: 8
Hi, We are running 11g (11.1) databases on UNIX platform. The XML.log that are being generated are quite large and it creates quite a few. This is taking up precious space and causing a f...
ORA-20001: This record has been entered already
Comments: 3
Problem: Attempting to migrate data to an Special Information Type (SIT) structure using a callable API. 1. I have a API that successfully migrates data to an SIT structure for one employee...
Create a DB Link to access 1 table only
Comments: 1
I want to create a db link that will have access to only 1 remote table.
How do I select a date range in Microsoft SQL server
Comments: 5
I a using this SQL statement. However I am getting dates from before 1st January 2009. SELECT VisitNo, CustomerID, SiteID, CallOutNo, visit_id, call_date, despatch_date, CAS...
How to write query for this one?
Comments: 7
I have two tables domain n details: domain has domainID and detailID (both are foreign keys), domainID is referenceing to primary key of another XYZ table. And detailID referencing to deta...
How do i create timers for an Oracle Database
Comments: 1
I have a query that gathers hundreds of thousands of rows in a database that has many users. I am trying to set my query to run on non-peak hours. I do not have the ability to write PL/SQL, is there...
Optimise the SQl Query
Comments: 4
Hi, Could anyone suggest me in optimising the below query. Query: SELECT c.name, w.defgrp, w.crusr, w.firstname, w.lastname,NVL(SUM(w.appt_cnt), ...
Oracle COMMIT Architechture
Comments: 17
Hi EE, This question was asked by someone who interviewed me. A process is trying to update 1 table and it 2 days to complete. If I issue COMMIT, approximately how much time wil...
Controlfile autobackup on
Comments: 8
Hey in RMAN. I have configure Controlfile autobackup on but I don't know why is it getting off automatically. I don't know why is that happening. I really appreciate your help. Thanks in advance
Difference between .sql file and .bat file
Comments: 5
As for my knowledge, I think .bat files are used to run multiple .sql files in the particular order. But we can do this by writing a simple .sql file also, like my xvz.sql contains: set echo o...
Recovery catalog
Comments: 4
I need to create recovery catalog for RMAN backps on new database instead of using the same database. I would appreciate your help. thanks in advance
query collection (IN Clause)
Comments: 8
I have a collection (local collection with in plsql). I wanted it to be include in the query's IN clause. example: FUNCTION CHECKLTASKSTATUSPERID( Id number) RET...
Materialized view
Comments: 15
I am new creating and using materialized view. I wanted to create the materialized view of type "ON COMMIT REFRESH" since I wanted to get the Materialized view refreshed whenever the base tables...
ora-19804
Comments: 2
Hey I am getting the below error. I really appreciate your help channel ORA_DISK_1: starting piece 1 at 15-NOV-10 RMAN-00571: =====================...
RMAN:6172
Comments: 27
Hey When I am trying to restore spfile getting the below error. I really appreciate your help. RMAN> set DBID=2428108270 executing command: SET DBID RMAN> resto...
How do I insert data into my existing table that already has …
Comments: 7
I have a table that already have data within it, but some of my rows do not have data within them. These rows with no data have nulls within them and I'd like to replace the nulls with actual data. ...
How to copy Oracle Apex 4.0 application to new Oracle …
Comments: 10
I'm trying to copy Apex Applications and scheme with data from one oracle instance to another. I use expdp/impdp : http://download.oracle.com/docs/cd/B25329_01/doc/...
How to Load the data from a text or csv file into a data bas…
Comments: 8
Is there any open source tools to load the data from text or csv file to oracle database? Is there any feature in Toad 9.7 If yes can you please let me know the process how to load the data?
sql - oracle - grant select access
Comments: 7
I would like to grant select access to the tables in my schema under my user id to few other users in my team (3 or 4) , I have about 40 tables. What is the easiest way to to this? can u pl...
oracle rman: how can I verify that I can use RMAN to rec…
Comments: 4
I've just done a dataguard switchover of five databaces with high-availability requirements. The RMAN backups are now running from the new Primary site. I want to verify that, should I need to re...
run oracle sql developer on linux
Comments: 11
I have installed oracle sql developer on ubuntu. i go to run it and I get: "Type the full pathname of a J2SE installation (or Ctrl-C to quit), the path will be stored in ~/.sqldeveloper/jdk" I don'...
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