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) ...

learn more… | top users | synonyms

3
votes
1answer
431 views

ASM diskgroup drop from another ASM instance

I have created long time back one ASM RAC setup and I created one diskgroup with some name say xyz. I think that instance is gone but the diskgroup was not dropped exclusively using command: drop ...
3
votes
2answers
1k views

Loading XML documents to Oracle 11g DB with control file

I am using Oracle 11g XML database and trying to load XML documents to this DB with a control file and the sqlldr utility. All these XML files have an element that contains a date string with time ...
1
vote
2answers
7k views

exporting oracle tables on command line as sql files

I use exp and expdp to export database tables on command line but it generates binary .dmp files. I want to export/import tables as .sql* files on command line like pl/sql developer app can do. Is ...
0
votes
1answer
807 views

Oracle Enterprise Manager Installation

First I install oracle 11g database with this configuration Step 2 of 9 I selected Create and configure a database Step 3 of 9 I selected Desktop Class Step 4 of 8 Global database name: Blitz ...
3
votes
1answer
122 views

How can I prevent having inconsistent data under isolation level serializable in Oracle SQL?

I have the following table: InStores +--------+---------+-----+ | ProdID | StoreID | qty | +--------+---------+-----+ | p1 | s1 | 25 | | p1 | s2 | 70 | +--------+---------+-----+ ...
1
vote
1answer
172 views

How to export a MySQLtable with a longBLOB column to an Oracle database?

In MySQL I have a table: Select * from Dummy; Columns like below: id name salary binary_col 1 a 100 A.pdf 2 b 200 b.pdf 3 c 300 c.pdf 4 d 400 d.pdf 5 e 500 e.pdf ...
0
votes
0answers
31 views

In USER_INDEXES but not in USER_IND_COLUMNS

I can't believe I don't know this but what type of index (Oracle) would have an entry in the USER_INDEXES view and not in the USER_IND_COLUMNS view? I see two system entries in USER_INDEXES. Here is ...
0
votes
1answer
268 views

Oracle 11g r2: Cannot create partition on timestamp field

I have data with a timestamp field of the form '2014-01-01 00:00:00.99' in one of the columns. I want to create a new partition for the table every month. For this I did something like this. CREATE ...
0
votes
1answer
42 views

SQL select with unique_list - losing an item

I have an oracle database and I have the following problem: If I make an select like this: SELECT fk_proddes_id,fk_id_cod_deseu, LISTAGG (TO_CHAR (cod_eliminare), ',') WITHIN ...
2
votes
2answers
802 views

How to disable flashback query logging for a specific table (Oracle)?

We have a specific table that has a lot of activity and it creates a lot of change records. The consequence is that the flashback data only goes back a couple of days. That is OK for many cases but it ...
1
vote
2answers
53 views

Compressing partition - what about index?

To save space on disk I want to compress some partitions of my tables: alter table TEST_TAB move partition TEST_TAB_2014 compress for all operations; I have also indexes on this partition. Should I ...
2
votes
4answers
6k views

Oracle 12c create user

I have some problem with creating user in Enterprise Oracle Database System. A could'n create user using command like create user name identified by password; because of exception: ORA-65096: ...
0
votes
1answer
2k views

Unable to install 64-bit Oracle 10g Release 2 ODAC 10.2.0.3 for Windows x64 on 64 bit Windows Server 2008 R2

I need to connect an application to Oracle. In the installation guide for that application it says that it requires 64 bit version of Oracle Data Access Component,more specifically 10.2.0.3 . I have ...
3
votes
1answer
34 views

Migration From Oracle to PostgreSQL Encoding Errors

I'm working on migrating data from an oracle database to a postgresql database. I running into a problem where I export the data from oracle, using sql developer, and importing it into postgresql. ...
-1
votes
1answer
30 views

Return Distinct Set of Values Based on MAX Date

I'm new to SQL and I am really struggling to put a specific query together. Let me start my question by explaining what fields & tables I am dealing with. Table A Table B The unique key is ...
0
votes
1answer
1k views

Copying a table in SQL Server database to Oracle database

I am new to database management. I need to copy a particular table "Attendance" in SQL Server database to Oracle database. There is no connection between the two databases. Also, "Attendance" is ...
2
votes
2answers
21k views

Oracle password has expired, however I have no way of changing it

When I connect to my local development database, I get an error saying the password has expired. I've been trying to change it with sqlplus to no avail: C:\>sqlplus ...
0
votes
2answers
204 views

Make Oracle backup files available for duplicate

I have a Red Hat Enterprise Linux server with Oracle 10.2.0.5 and a database on it (SID is TNATEST). I have a remote CentOS server with Oracle 10.2.0.5 on it that I want to duplicate TNATEST to. The ...
0
votes
2answers
2k views

SQL Server to Oracle export using Microsoft OLEDB Provider for Oracle

I am trying to Export Data from SQL Server to Oracle using the "Microsoft OLEDB Provider for Oracle". I am using "Export Data..." option from Task menu. I get to connect to the source database (SQL ...
0
votes
1answer
538 views

Oracle: Table or View does not exist in Tree

I have set up a Oracle 12c database for students. The goal is that each student has access only to his own scheme where he/she can create tables, views, indexes, etc. I set up the accounts using ...
0
votes
0answers
21 views

Toad Error using Proxy Connection

I created a login for a user two days ago to an oracle database and altered another user so this new user could do a proxy connection as that user. Everything worked fine that day and the user was ...
3
votes
1answer
3k 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 ...
0
votes
2answers
36 views

how to prevent any update to my database before a exp operation?

I want to migrate my database from AIX to Red Hat vai exp/imp. how to prevent clients make any update to my database during the migration progress ?
0
votes
1answer
25 views

oracle database - sql for counting the columns with the same id with the one in current row

I have an oracle database and a few tables and with this query: select rap.DENUMIRE,a3.ID,op.FK_ID, (SELECT COUNT(*) FROM ANEXA3_TABEL1_ROWS) AS count from ANEXA3_TABEL1_ROWS a3 inner join ...
0
votes
1answer
121 views

Results of SAMPLE clause using a DBlink between 2 Oracle databases not randomised

I'm using the SAMPLE clause to retrieve random rows from a table. It works fine except when the table is from another database. I'm using a database link between 2 Oracle 11g databases (11.2). This ...
2
votes
2answers
852 views

Unable to start Oracle Database Server : Get an error as I try to start it

I just installed Oracle Database Express Edition 11g Release 2 for windows.It created a short cut icon on the desktop : but as I click this icon I see this dialog box : What is it ? How do I ...
0
votes
0answers
35 views

Oracle query optimization time

Is there any way to get how long it takes the optimizer to optimize a query in Oracle?
0
votes
1answer
1k views

startup mount issues with Oracle

I am a newbie with Oracle so bear with me. I am trying to simply shutdown and restart an Oracle db instance on a Windows Server 2008 machine (Oracle 11.2.0). Logged in via sqlplus, I issue the ...
6
votes
3answers
19k views

What is the easiest way to move data from Oracle to SQL Server?

One of our products supports both Oracle and SQL Server as database backend. We have a customer who wishes to switch from an Oracle backend to Microsoft SQL Server, which isn't a typical transition ...
0
votes
0answers
10 views

Configuring management interface on Oracle RAC Listener

i have a SCAN configuration ready & working, but require along with it that each node be separately reachable on a management interface for administrative connections. Listener would have to be ...
0
votes
1answer
8 views

is it possible to rollback only a partition/subpartition?

Is it possible to create a savepoint and to rollback only a partition of a table? Lets assume I created a monthly partition and subpartitions with a group_id for table x. Now i run some stored ...
0
votes
0answers
16 views

RMAN multilple channels

When to use multiple channels in RMAN? Is it effective only when backup is performed to multiple physical disks or tapes? I've found only that every channel is different session opened by RMAN in ...
6
votes
4answers
1k views

How to document Oracle database?

I'm new to Oracle databases. I have used to SQL Server and the description fields (MS_Description) for tables and columns for documentation purposes. Is there an equivalent for Oracle? What is the ...
0
votes
2answers
3k views

How to recreate or restore Corrupted Data Files in Oracle 11g

Few days back ago my power cable went down and I was working in Oracle. So after power cable restoration when I tried to login to SQL PLus: It did not let me to login and I got error "Oracle ...
0
votes
0answers
22 views

hierarchical query

I have a Oracle table that has child and parent rows similar to the example below P_JID has the parent's JID, it can go as far as 4 levels JID P_JID NAME STATUS ...
0
votes
1answer
59 views

What's the fastest way to migrate an Oracle database from Unix to Linux?

We have an Oracle database installed on AIX 7.1, and now we want to migrate our database instance to RedHat 6.2. The RedHat server has Oracle 11.2 installed already. What's the fastest way to ...
0
votes
1answer
400 views

Modify text file with Oracle PL/SQL

I'm trying to open and replace a string in a text file with the following procedure: BEGIN v_file_name := 'text_file.txt'; v_filehandle := utl_file.fopen(v_file_dir, v_file_name, 'W'); v_id_nextval ...
1
vote
1answer
36 views

Is there any way to trace the optimizer's work in Oracle?

Just like the MEMO structure in SQL Server which is kind of a "paper trail" of steps the optimizer takes in optimizing the query, is there anything in Oracle through which I can see what are the ...
2
votes
2answers
419 views

SQL query for next occurrence of specific date

I am working on a function for our database that contains contract data. Each contract expires on a certain date, and then each contract has an expiration type that determines what happens after that ...
6
votes
2answers
81 views

What is an Oracle ASSEMBLY?

What is an Oracle ASSEMBLY, in the context of Oracle SQL? It's listed in GV$SQLCOMMAND. Although GV$SQLCOMMAND is not a perfect guide to "real" SQL statements - for example it has UPSERT instead of ...
0
votes
1answer
33 views

Oracle copy DB from one windows server to another

I am not an Oracle DBA but looking for the best approach to copy/clone an Oracle database from one windows server to another, here is my configuration and my requirements: Configuration Server 1 ...
0
votes
2answers
1k views

Unable to mount database: error reading control file

I have an installation of an Oracle XE on Windows 7 (Home Premium). The database worked fine until yesterday when the database could not be started. It reports ORA-01033: oracle initialization or ...
1
vote
1answer
146 views

How to retire a physical standby in Oracle 11.2

I have a production Oracle 11gR2 RAC database with a single node physical standby. Now it has become the time to retire the old standby and pass that role to a RAC on fresher hardware. We don't use ...
0
votes
1answer
32 views

Oracle can't drop index with . in name?

I am trying to drop an index that has a dot(.) in its name and can't seem to do it (I'm logged in as the SYSTEM user, which owns the index). Any ideas? SQL> select index_name,owner,status from ...
2
votes
1answer
248 views

Database design for a table with both bulk insert and single row insert

I have to design a table where records will be inserted in two ways. Bulk insert from a batch process from a delimited text file between 2 - 3 million rows in a short burst. Later the same records ...
0
votes
1answer
190 views

Generic or better yet custom message of the day in Oracle sql plus

I'm trying to create a message of the day type notification when users login to sqlplus. Currently I use the login.sql to add a dbms_application_info and set a module and action for the message. ...
0
votes
1answer
105 views

Mutiple updates with FORALL

I have 2 tables, one is a fact table (100000000 records), and the other is a catalog (2000), I need to update the FK at the fact table, can I use for all in this case?. I wrote this but it doesn't ...
0
votes
1answer
31 views

migration of oracle xe 10 to xe 11 fails with wrong paths used in the import

I'm following the documentation to upgrade an OracleXE 10.2 database to OracleXE 11.2. The export succeeded without any problem, the import (on another machine with XE 11) fails though. The log file ...
0
votes
3answers
140 views

Upgrading Oracle from 11.1.0.6 to 11.2.0.2 on Linux Red Hat

I am trying to upgrade the Oracle db from 11.1.0.6 to 11.2.0.4 in Red Hat Linux 5.3. The current database is installed on location. I checked the path using command cat /etc/oratab ...
0
votes
1answer
125 views

Check Oracle Service is Started from Batch Command

Uses: Oracle9i Standard Ed; I have a schedule which performs a Dump Import and afterwards the System Reboots itself, which is happening without any problem. After the System had rebooted, I have ...