Oracle Corporations version 10 of its flagship RDBMS product.

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23 views

Table statistics on database

Is there any way that I could find how many tables has statistics on them,and how many tables which doesn't have statistics on them.
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0answers
18 views

question on oracle query performance/tuning

we have a query with large union all with a lot of tables. If that query gets hung up, it will hold up alter statements on those tables we should break the query up into individual ones to minimize ...
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2answers
32 views

How to remove duplicates and merge tables properly?

I'm creating a data warehouse for a healthcare company. They have separate databases for different hospitals which contain tables on patients,their insurance,etc and PK is unique only within one ...
0
votes
1answer
19 views

Unable to create Central Inventory

I am Traying to install Oracle 11g on my Linux a have alrady config the varible and X-host but can,t able to Create Central Inventory my Central Inventory location is : /u01/app/u0 ** and ...
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1answer
43 views

General question on dbms_stats

General question on dbms_stats and auto sample size? what is the impact of having IOTs with overflows and you switch to auto_sample_size and enable approximate NDV . How does it impact?
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2answers
143 views

What is the difference between Schema and Database in Oracle?

In oracle, Datafile are system files where actual data is stored.The collection to datafile make Tablespace and atlast database is collection of tablespaces Correct me if I am wrong on the concepts ...
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0answers
36 views

Testing equivalence in strings with different character sets

I have to synchronize a number of tables with string columns between two databases: the source Oracle 10.2.0.3 NLS_CHARACTERSET WE8MSWIN1252, NLS_LENGTH_SEMANTICS BYTE the destination Oracle ...
0
votes
1answer
75 views

How to know which process is causing high memory usage on DB?

I've got one Onesight alert mail stating below: Short Description: Onesight Alert: ZEUS DB Monitor (zeus04) Description: Solaris 5.8: vmstat memory(free) - Free Memory for zeus04 2065112 8:06:02 ...
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1answer
57 views

Object changed during datapump

If some object is being changed when data pump is run how will that object go into datapump file?
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3answers
46 views

Invalid create index syntax

I cannot create index with the where clause. Refer the below query: CREATE INDEX c_bplocation_isdefault ON c_bpartner_location (ad_client_id,c_bpartner_id,isdefault) WHERE isdefault = 'Y';
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0answers
29 views

My stored procedures often get invalidated

The reason for invalidation should be because of some DDL activity, but I don't have any DDL in the SPs. I need to find what is that DDL statement. If the object is in an invalid state, when you call ...
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0answers
36 views

ORACLE 10.2.0.5 DB: How can I start replication of an existing schema into a new database with zero downtime

Please, note that I'm limited to Materialized view replication and datapump, so my question is whether the above can be done within my specified scope: Ensure no transactions in the database for ...
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1answer
35 views

Oracle Recovery

Oracle server died. Built a new VM and mapped out the volumes to the SAN. Installed the same version of Oracle on the new server and applied the same patches. How can I "register" or "attached" the ...
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votes
1answer
33 views

How to get desired type of records for desired number of times in oracle

I want to get get 6 "double_scoring" records and 4 "singe_scoring" records from my Profiles table based on SCORING_RULE column values. Can you please let me know how can I do this with SELECT query ...
1
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1answer
34 views

oracle database upgrade issue

Currently i'm using Oracle 10g XE database and want to upgrade to Oracle 11g XE. When i try to run the installer, it fails because of running instance. I searched the internet and got to know i have ...
0
votes
1answer
27 views

Delete all types created by a user

In Oracle 10g, how do I delete all the types owned by a specific user? This is the view that gives me the types I want to drop:SELECT type_name FROM user_types;
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0answers
45 views

Oracle Historical Session Information

I want to know the view or query which provides the total number of active and non-active session for a specific snapshot. Currently I am using the below query. SELECT INSTANCE_NUMBER, count(*)*10 ...
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0answers
214 views

Extracting node names by looping through xml in Oracle 10G Plsql

I have an XML that looks like below, <email_details> <VENDOR_ID>73</VENDOR_ID> <RGP_NUMBER>1234</RGP_NUMBER> ..... ..... (any number of ...
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0answers
29 views

Oracle AQ Message Replication

We are upgrading our infrastructure and for that we are migrating from Oracle 10g to 11g. We are using Oracle GoldenGate for data replication and it does not support replication of AQ messages as far ...
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1answer
57 views

Grouping Row Values Query [closed]

How can I write a query to get the result below from the sample data given? Data in table EMP is as below: Empid Empname Sal Comm 100 ABC Null 20 100 ABC 20000 null Output should be: Empid ...
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0answers
9 views

Improving the performance of this select query [duplicate]

i have two tables TABLE 1 and TABLE 2 And i am running this select query to fetch the data , it takes long time to run SELECT TABLE1.* , TABLE2.COL1 , TABLE2.COL4 FROM TABLE1, TABLE2 WHERE ...
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1answer
109 views

How to improve the performance of this select query?

I have two tables: TABLE1 and TABLE2. And I am running this select query to fetch the data. It takes long time to run: SELECT TABLE1.* , TABLE2.COL1 , TABLE2.COL4 FROM TABLE1, TABLE2 WHERE ...
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votes
1answer
63 views

Oracle 10g: same query, different plans on copies of the same DB

I have a query joining a number of long tables (primary key in one table, indexed column in another) which results in different plans on different copies of the same database. The structure of copies ...
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1answer
26 views

Transfer Oracle 10g Database From Linux to Windows

Can anyone tell me how to restore Oracle 10g Database backup created in Linux to the Oracle 10g version for windows...
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0answers
107 views

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 ...
1
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1answer
121 views

Oracle temporary table usage with XA

I'm confused about the compatibility of Oracle XA with global temporary tables. I've read several places on the internet and in the oracle documentation that say "Distributed transactions are not ...
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0answers
63 views

How to Upgrade from Oracle 10G to Oracle 11G without bringing down the database

I have an Oracle 10G database running on two machines in a resilient environment with shared storage. So when one of our system fails we simply switch the GSS to second database instance. Now I need ...
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0answers
44 views

Display rows with no NULLs

My query needs to return all 20 columns for each row that does not contain a NULL in any of those columns. The query I have is: Select Col1, Col2, ... Col20 from table where Col1 is not null and ...
0
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1answer
47 views

Find when Oracle 10g table was last populated

I am working on an Oracle 10g database which is being populated periodically with data from network nodes. What Oracle table can I query to to get the time at which myTableOfInterest was last ...
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0answers
28 views

Background process RECO didn't start

I'm trying to create an oracle instance but when trying to create a database i obtained the following error message : ORA-00443: background process "RECO" did not start CREATE DATABASE DATA * ERROR ...
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0answers
769 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 ...
1
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1answer
64 views

Export synonyms content to tables

I have a distant database to replicate having huge data but I have access only to synonyms and I would like to use Oracle export/import tool to import these data into tables of local database. What ...
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0answers
57 views

expdp taking so much time

I'm doing a full export using the expdp tool. I'm using 4 dump files and parallel parameter with 4 value. The export size calculus shows 30Gb but it takes almost 4 hours for 4 Gb. I'm pretty confused ...
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2answers
34 views

Fetching Recently added rows from table [closed]

I have the following table structure , name || description || timestamp varchar varchar date time stamp column consists of time the row is added Now i need to fetch the ...
1
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1answer
209 views

Startup NOMOUNT and Startup MOUNT on dataguard oracle

I have a question here about Oracle data guard. After performing a switchover, we shutdown the new standby database and startup it. At this stage, sometimes I find DBA performance in 2 different ...
0
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1answer
129 views

Alter table add column query blocking a table or taking so much time

I'm trying to add a new column to an existing table but it takes so much time or the query is blocking the table, i'm really confused about what's happen exactly. ALTER TABLE MYTABLE1 ADD MYEXPORT9 ...
1
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1answer
84 views

Oracle views not using indexes [closed]

I am experiencing the unexplainable - at least to me. I have some tables in my production database which have some indexes on. We then have a number of views which merge the data across tables to ...
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0answers
104 views

Undo tablespace size in many data import in short number of tables

Yesterday i've had many problems trying to import a big dump file with only 9 tables but many rows in each table. In common use the undo tablespace has a size of 1.5 Gb. But when trying to import the ...
1
vote
1answer
39 views

Import (imp) not showing final report stats/results

I'm trying to execute an import of a dmp file an not obtaining the final results of the import. It's really weird because i obtained really big files (nohup.out and imp_xxx.log) with the following ...
0
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1answer
203 views

Exporting from Oracle enterprise edition to standard edition reaches schemas limit

So, I'm trying to export an oracle database(10.2) from EE to SE over a networklink. It all works fine except that I'm hitting a limit. The database has 1335 schemas and it seems that I can't transfers ...
0
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1answer
196 views

ORA-44001: invalid schema

I have a db dump which containts db dump for three schemas for e.g. alpha bravo charlie in one file, exported through EXPDP. now when i am trying to import these through following command: IMPDP ...
0
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1answer
90 views

Connection problem after a big impdp

This morning i had a weird problem just opening the SQL developer i cannot connect to my database. I checked the log file of the impdp operation launched before (14G), all the data is imported without ...
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0answers
56 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 ...
1
vote
1answer
83 views

Tablespace resize in Oracle 10g

I'm trying to resize a couple of tablespaces but the following query is only valid in Oracle 11g. alter tablespace 2 DATAFILE '/appli2/oracle/xxx/oradata02/xxx_undo_01.dbf' resize 3g; In oracle ...
0
votes
1answer
179 views

Undo tablespace full, how to free it

My undo tablespace is full after some modifications. Las column is % of space used. xxx_undo_01.dbf UNDO 2147483648 16777216 2048 2032 16 0,78 99,22 Now i cannot execute any query ...
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2answers
46 views

Change all datatypes in a table

I'm migrating a database and i need to change the "container", i don't exactly how to name it. I give an example to keep it clear : old base: VARCHAR2(20 BYTE) new base: VARCHAR2(20 CHAR) I can ...
2
votes
1answer
167 views

How oracle Oracle Database 10g used index?

I have table “result”, DDL : CREATE TABLE result (id_graduate NUMBER NOT NULL, id_sml NUMBER NOT NULL, last_update DATE NOT ...
0
votes
1answer
91 views

Changes in Oracle Database implicit conversion rules for select statement

Due to hardware failure after a power outage we had to recreate the database for one of our 3rd party applications from an dumpfile (created via exp). The old hardware had Oracle 10G R2 running while ...
1
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1answer
81 views

Oracle OS Authentication only works on certain databases/clients

We currently face a problem where Oracle OS authentication only works on certain client/server combinations. The environment consists of a development client with its own database server (excluded ...
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0answers
248 views

Oracle 10g xe database error when connecting ORA-12528

I am trying to connect to my local database Oracle 10g XE however i am getting the following error ORA - 12528. This connection was working and this issue suddenly arose. I did LSNRCTL status the ...