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9
votes
0answers
238 views

9i streams capture doesn't evaluate rules

I have a streams replication set up between two oracle 9.2.0.8 instances as sources and an 11g instance as a destination, processing a small subset of data from each database (let it be one table ...
5
votes
0answers
6k views

SQL*Plus, @, and relative paths

Somehow, it seems that SQL*Plus (at least on Windows) is unable to locate a script with a relative path when called with @@ and when the path starts with a single or double dot. For example, under x:\...
3
votes
0answers
31 views

Dataguard: preventing logical standby to loose track after flashback database on primary

We have 2 Oracle databases; a primary and a logical standby, configured with Dataguard. Whenever we have an application rollout on the primary, we create a restore point in case anything goes wrong. ...
3
votes
0answers
52 views

UTL_MATCH.JARO_WINKLER_SIMILARITY - how can I set the prefix scale?

I'm using UTL_MATCH's Jaro Winkler similarity function and it seems to be performing well. However, I would like to adjust the prefix scale according to the situation. Is this possible? Is it possible ...
3
votes
0answers
79 views

Oracle replicat is abending when oracle is having special char while loading to teradata

I am doing replication from oracle to teradata where oracle is having below charter in one column. ->->-> ACSII value for this char is 26 . I need to replace it with null . In the charmap we have ...
3
votes
0answers
124 views

Oracle index on column with length > maximum varchar2 length

Description: We have a table on PostgreSQL 9.3 and we migrate it (data & structure) to Oracle 11.0.2.4. Here is our table: create table cstb_temp_log ( id NUMBER PRIMARY KEY, log_info ...
3
votes
0answers
888 views

Unable to open/connect to Oracle 12c Enterprise Manager Express

I have a just installed a new single instance installation of Oracle 12c (12.1.0.2.0 on Windows x64) with ASM. The database itself is working OK (can be accessed locally and remotely via port 1521), ...
3
votes
0answers
208 views

Oracle: built in SQL pretty-print?

Oracle has some packages that will dump objects in SQL format, such as dbms_metadata.set_transform_param. One option that can be set is to "pretty print" the SQL. Is there anything in Oracle that ...
3
votes
0answers
352 views

Fast restore of dropped partitions

I want to test the restore of erroneously dropped partitions of a subpartitioned table. This restore would consist of three steps: restore the database (or at least the necessary tablespaces) to the ...
3
votes
0answers
229 views

plsql procedure gets invalidated

procedure involving dblinks gets invalidated regularly .we need to recompile every time.How to find what is causing the problem in my case procedure p1()--resides in db1 is begin .... select col1 ...
3
votes
0answers
16k views

Importing a different character set export dump into another DB instance

I am trying to import a given dump file using oracle imp utility. However; I am facing the following issues. C:\Users\AD>imp DB_USER/*****@dev1 file=C:\test\db42312.dmp log=C:\test\import2.log ...
3
votes
0answers
2k 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 ...
3
votes
0answers
980 views

Why does Oracle hang on “ALTER TABLE ADD … NOT NULL”?

Using Oracle Database 10g Enterprise Edition Release 10.2.0.1.0, the operations below have completely stumped me. The first locks up (table has DDL lock, finally killed query after 20+ minute wait). ...
3
votes
0answers
499 views

Oracle sqldeveloper Database Diff - not seeing indexes/sequences

I am using Oracle SQL Developer's database diff tool to compare schemas. (SQL developer version : 3.2.09) It works great on some environments, but in one, I can only see differences in tables - the ...
3
votes
0answers
744 views

Mismatched Oracle drivers - need upgrade (10.2.0.1 to 10.2.0.5)

I was forwarded here by recommendation from Stack Overflow ...... We are running Oracle Enterprise software on various client and DB servers and we are experiencing a problem (outlined here) where ...
3
votes
0answers
675 views

SQL Developer Data Modeller and Data Dictionary question

I'm not a DBA but I am a (mostly!) competent SQL report writer. Can I trouble you DBAs for some pro-knowledge, please? I can connect SQL Developer to Oracle XE's data dictionary without any problem, ...
3
votes
0answers
2k 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
votes
0answers
43 views

Oracle Workspace Manager: How is DDL applied to versioned tables?

We're considering the use of Oracle Workspaces for development/test environments. While its benefits are pretty clear concerning DML and data in general, my Google-Fu obviously wasn't sufficient ...
2
votes
0answers
61 views

Query that can benefit from index, cluster or hash-cluster

I'm trying to find a equi-join query that shows a decent performance bump when I use an index, cluster or hash-cluster structure on my data. I initially need to run the query on unstructured data ...
2
votes
0answers
99 views

Keeping version history / Slowly changing dimension

We're creating a new version of a 20 years old database, in which we used to keep version history by creating new rows in each table (SCD Type 2). SCD Type 2 is not that hard when you need to keep ...
2
votes
0answers
377 views

Cannot update parent rows with trigger on the same table

I currently have the following two tables in my database CREATE TABLE folders ( id NUMBER NOT NULL, name VARCHAR2(100) NOT NULL, bytes NUMBER DEFAULT 0 NOT NULL, parentId NUMBER, CONSTRAINT ...
2
votes
0answers
452 views

Oracle 12c connection to SQL Server 2014

I have installed Oracle 12c on Centos 7 and I wanted to connect SQL Server 2014 using freeTDS. So, I installed the following: FreeTds. unixODBC. Next, I configured ODBC on the Linux server so ...
2
votes
0answers
224 views

How to get status of “opatch prereq CheckApplicable” via script

I want to check if a patch is Applicable via opatch prereq CheckApplicable -oh <oracle home> -ph <patch home> but the returncode is always 0! It doesn't matter if the text output says ...
2
votes
0answers
22 views

Listener.ora problem when I copy OVA

I deployed a new VM Oracle machine using a copy of my existing Oracle VM. As a result, the new VM inherited the same host name. This is redhat linux 6.5, Oracle11g. I changed hostname everywhere as ...
2
votes
0answers
178 views

(VS Comm./VB6) How to Select from 2 different data sources/formats in one query?

I have two working TableAdapterQueries in my project, one selects from a MySQL database on a virtual server I own, the other is an Oracle PL/SQL database on a separate server. The data (and datatypes)...
2
votes
0answers
26 views

what is causing the reads in this configuration?

i have a setup here where we use a Solaris 10 x86, zpool for oracle12c-redo-log using mirrored disks and mirrored ZIL. logbias="latency", recordsize=128: pool: xxxxxx01_redo00 state: ONLINE scan: ...
2
votes
0answers
89 views

SQL - Optimize table population with dynamic queries

I need to optimize the following pl/sql procedure. So, fundamentally my question is: There is a way you can do a bulk insert in a pl/sql that could be more efficient than loop through an associative ...
2
votes
0answers
203 views

Oracle instead of trigger update performance issue

I have a large table containing over 15million records with 4 columns that form a compound key. Because we use a development environment that doesn't support compound keys I was required to create a ...
2
votes
0answers
146 views

Should an SCN obtained from one RAC node be immediately usable on other RAC nodes?

I'm seeing ORA-08181: specified number is not a valid system change number and don't understand why. The error happens around once a month from a process that runs every few minutes - so very rarely. ...
2
votes
0answers
135 views

Replacement for Pragma Restrict references

Up to Oracle 11.1 you could mark a package as only reading from the database by adding PRAGMA RESTRICT_REFERENCES( DEFAULT, WNDS); This has now been deprecated. I would like to enforce read only on ...
2
votes
0answers
60 views

Importing data into Oracle 12

I got a set of files from a client which are, as far as I can tell, copies of a database in Oracle 11. Each folder has the following structure: - init<DB>.ora - orapw<DB> - arch - dbf ...
2
votes
0answers
43 views

How do I get information about how an index set was created in Oracle?

A long time ago I created a CTXCAT index with an INDEX SET using ctx_ddl.create_index_set and ctx_ddl.add_index but forgot to save the DDL anywhere and now I need to recreate this index on another ...
2
votes
0answers
4k views

sqlldr error - Invalid number

I am trying to load the following csv file into a table: TIMESTAMP ; SESSIONID;PROXY_SESSIONID; ACTION;USERNAME ;USERHOST ;OS_USERNAME ;CLIENT_ID ...
2
votes
0answers
1k views

Why OEM RMAN backup jobs fail after changing the preferred credentials?

In an Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production, Running on Oracle Linux 6.5, we configured full RMAN backup schedule using OEM (Oracle Enterprise Manager 11g ...
2
votes
0answers
227 views

Oracle: separate column histograms for partitions

I have a partitioned table like MY_TABLE(PART_KEY, DATE_KEY, ...) with a local partitioned index on (PART_KEY, DATE_KEY). When I collect stats on the table, I end up with a HEIGHT BALANCED histogram ...
2
votes
0answers
349 views

Running materialized view refresh in parallel

I have a large materialized view that is refreshed periodically (complete refresh) and I would like to do it in parallel. I can already run the query part in parallel but the problem is (much slower) ...
2
votes
0answers
1k views

Oracle parallel query: finding out which Producer a Consumer is waiting for

One of our materialized view refresh's (part of a daily ETL routine) was hanging today; it usually completes within 5 minutes, but this time, I had to kill it after 23 hours. V$SESSION contained this ...
2
votes
0answers
269 views

Refreshing Materialized view creates many child cursors

Doing some tests, I noticed that having REFRESH FAST ON COMMIT materialized view and flashbacks enabled cause Oracle to create many child cursors in some cases. For example, CREATE TABLE table1 (...
2
votes
0answers
241 views

Does Oracle ADO.NET varchar parameter size influence query plan reuse?

I am considering to apply a fix which will generate constant parameter sizes for (n)varchar parameters. The application is based on NHibernate with the old OracleClientDriver (using Microsoft Oracle ...
2
votes
0answers
2k views

Oracle 12c Enterprise Manager Database Express Subsequent Installation on Windows Server 2012

I have an Oracle 12c database instance which was installed without the option for configuring the "Enterprise Manager (EM) Database Express" How can i install it subsequent for a running instance? ...
2
votes
0answers
291 views

Oracle Text - Changing SYNC to MANUAL not working always

Oracle version is 11g. When the Oracle Text index is created, SYNC option is given as "ON COMMIT". Before inserting large number of records, SYNC is changed to "Manual" for performance reason. Below ...
2
votes
0answers
4k views

Oracle Select Query Over Database Link Suddenly Hangs Endlessly

I have a query that's been in use for years and today it started hanging endlessly. I took the query apart and found the piece causing it to hang is a simple join on a primary key that should run like ...
2
votes
0answers
1k views

Migrating from Oracle to MySQL using WorkBench Migration Tool

I am currently migrating from Oracle to MySQL and I am going to use the migration tool in workbench to help me with the procedure. I have entered my source connection details as follows: Database ...
2
votes
0answers
98 views

Oracle 10g weird behaviour

We have a thick client application using an Oracle 10g database. We recently upgraded the application and in the process migrated the database tables from a latin to unicode character set. After the ...
2
votes
0answers
592 views

oracle streams apply: how to get a reason why LCR message was not applied

I've set up bidirectional oracle streams replication (11gR1) using identical scripts on both machines (DB1 and DB2). Although changes from DB1 are being applied to DB2, changes from DB2 to DB1 aren't. ...
2
votes
0answers
11k views

Oracle XE TNS Listener fails to start

I freshly installed Oracle XE 11.2.0.2.0 and found out that the TNS Listener service fails to start. At first I tried to start the Windows service by hand. After the failure this is the entry in the ...
2
votes
0answers
10k views

Oracle 11g .DMP viewer

I have received a dump of a Oracle 11.2.0.2.0 db, which I'd like to export to some readable format like plain text, CSV, excel... Is that possible in some sort of a simple way? I've found a few ...
2
votes
0answers
1k views

oracle crash - not starting

We have a Windows Server 2008 R2 Enterprise x64 Oracle 10.2.0.3 Adempiere - ERP We had a power breakdown at 03.00 AM. At 07.30 AM we started the server At 08.00 our colleagues observed that the ...
2
votes
0answers
364 views

Reconfigure the registry for new Oracle installation

I have the following oracle homes installed on my Windows machine Oracle Developer Suite Oracle Discoverer Oracle 10G Client I installed Oracle 10G database manually by following the following ...
1
vote
0answers
26 views

PL/SQL developer can't insert Unicode characters into oracle database

I've been meddling with charset/encoding problems of Oracle database and PL/SQL developer and these are what I have done: Change the server charset to AL32UTF8 Add system environment variable ...