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213 views

Restore .dmp file into csv

We have asked our clients for certain data in a csv file format and we just got a .dmp file. I have been trying to open it using MySQL as if it were .dump but it doesn't work. I have seen other ...
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160 views

Interpreting AWR report(top queries)

Could someone help me to understand a part of awr report? Below I'm pasting the top sql statements. I see there was a (very) huge number of executions of the first query. I see it was called from web ...
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44 views

PL/SQL follow a Item through a database

Hey I need some help creating a SQL statement for an Oracle DB. The situation: I want to follow a special item through two stations (UWA and KWA) with several steps where it may (!) get cut in up to ...
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228 views

Oracle 12c 2-node RAC, after first reboot CRS is hanging/stuck on octssd on the second node

My issue is with the Cluster Time Sync Service on the second node of an Oracle 12c RAC 2-node cluster on Oracle Linux. After the first reboot the second node is stuck on the octssd.bin process. I ...
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37 views

Calculating table size

I'm trying to follow these steps: Space estimation to estimate the size of my table that I'm creating. I specified an INITIAL as 1M and using the steps above I have the following estimations: ...
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41 views

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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52 views

Identifying high load sql

We had an oracle outage some days ago. We have inbetween awr tools. I genarated awrrpt report but dont see anything suspicious. Which report should I generate to see sql, which caused very high cpu ...
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42 views

Query on Sqlplus utility

I have a OS user 'test' who doesn't belong to dba group or oinstall group. I need to access the database using sqlplus but I'm unable to access the sqlplus even after setting oracle home ans path and ...
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159 views

How to know imdp size?

I have a dump file using expdp with compression (oracle version >= 11g). Before running impdp I want to check if there is enough space on the machine but it seems as there is no parameter in the impdp ...
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22 views

Does DB2 for z/OS have isolation level similar to READ ONLY in Oracle?

Does DB2 for z/OS have isolation level similar to READ ONLY in Oracle? I need to implement several big selects to DB2 and also I need to retrieve consistent data which was commited on time when ...
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41 views

SPLIT PARTITION issue?

we had written program to ADD partition on every month. But, one of our customer forgotten to execute the program from Jan to July and now, he is facing performance issues (because corresponding table ...
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100 views

Fetching the data from the Oracle database is slow in Linux as compared to Windows

I am facing a performance issue in Linux while fetching data from the Oracle database. My scenario is as follows: 1) I have the backend server which is on UNIX with Oracle database running . The ...
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108 views

resource manager consumer group OTHER_GROUPS is not part of top-plan Test_plan

I want to use resource manager to limit execution time, with this parameter MAX_EST_EXEC_TIME. but running the below is giving me following error. how to fix it ? ORA-29382: validation of pending ...
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435 views

Materialized View does not reflect changes after fast refresh

I have a query with many aggregate functions working on almost a million records every time, it's taking up to (ten of) minutes to complete the query so I created a materialized view for it, and since ...
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119 views

How to call Oracle Function from POSTGRESQL

I am sorry if this topic already exists. I have: PostgreSQL 9.3 , Oracle 11gR2 on Linux . I used oracle_fdw to query Oracle table from Postgres but oracle_fdw can not call function. Questions: How ...
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71 views

.dmp file generating problem on oracle

I have a server windows2003 with oracle 10g and developer 6i. My experience is when I install developer 6i first and then install database 10g then .dmp file generate perfectly using imp or exp. but ...
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114 views

Is there a command like Linux `tail`, but for Oracle?

Is there a command like Linux tail, but for Oracle? For example just to leave open in a terminal, to view all SQL queries as they happen without having to refresh.
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34 views

Oracle DB - DR corruption

One of my databases in my DR is fully corrupted ( I have checked running validate database using RMAN). Now to recover all the data files which are corrupted I need to copy the data files from my ...
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97 views

Export backup from a different location

I have two servers. One database server and another is an app server. I have client installed in my app server and I have the respective the tns in my app server to connect to the db server. Now can I ...
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11 views

Monitoring external Oracle db, creating changes locally to SQL Server

I have a local mirror database of an external database that our vendor provides us read access to. Occasionally they add columns and/or table to their database. The addition of columns used to play ...
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319 views

Error while creating encryption wallet in Oracle

I need to encrypt tablespaces in my Oracle DB. Following the instructions I edited sqlnet.ora file by adding ENCRYPTION_WALLET_LOCATION. Full content of file listed below: NAMES.DIRECTORY_PATH= (...
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2k views

ORA-00911: invalid character error in insert statement

I created a table called TROUBLE in Oracle Database 10g Express Edition by this command create table TROUBLE ( City VARCHAR2(13) NOT NULL, SampleDate DATE NOT NULL, Noon NUMBER(3,1), Midnight NUMBER(...
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22 views

Recreating an artificial Oracle Flashback Archive

I have an databases where changes to data were tracked by adding auditing timestamp columns to the end of each row. I want to migrate to Oracle's Total recall or Flashback archive so I need to trick ...
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66 views

Oracle Performance on 2 servers

I have the same database on two different servers(production and test) with major differences in query time as follows: Query1: SELECT distinct dms_get_FAST_serverpath(d.id) full_name FROM ...
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160 views

Buffer too small for CLOB to CHAR or BLOB to RAW

I am trying to select a clob from database to put it in a jasper report. The query is: <queryString language="SQL"> <![CDATA[ select to_char(PLAN_DESCRIPTION) as PLAN_DESCRIPTION ...
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24 views

Oracle: Is it safe to temporarily lock all users not belonging to SYS_GROUP?

I know you can startup an instance in restricted mode, but I need at least one other user account besides SYS and SYSTEM to have remote access to the instance, because I need to connect with that user ...
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132 views

Cann't connect from another server to Oracle

I can connect locally like normal : sqlplus sys as sysdba I can also connect sqlplus sys/pass@hostname:1521/servicename as sysdba the service I get from when I do lsrnctl status but when I try ...
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72 views

Clob (Swift message) data in Oracle table

I have swift data in clob column and want to insert this data in multiple columns in different table. create table test_swift (id number , block4 clob ); insert into test_swift values (123, '<...
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73 views

CALL Procedure(Function) = Trigger?

I have discovered some strange behavior in Oracle 11g, and I'm wondering if anyone has an explanation for it. The gist is that when I use a function that contains a commit/rollback/savepoint within a ...
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144 views

Getting milliseconds elapsed during a stored PL/SQL procedure

I've been using sysdate to time procedures, but a lot of my procedures are very small procedures that get called thousands of times. Is there a way to get milliseconds elapsed instead of seconds? I ...
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1k views

Oracle trigger after insert error ORA-01403: no data found

I'm trying to make a trigger that select a value inserted in other table and concat with other value in an insert on other table that's my code CREATE TABLE "SEX" ( "ID" NUMBER, "CS" ...
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300 views

Partitioning existing table in Oracle

(Oracle) I'm trying to do an exchange partition on an empty partitioned table to fill it with data from a non-partitioned table. I'm getting the following error and can't find the cause. I'm not 100% ...
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16 views

JDBC - accessing a query, then querying that query

Sorry if the way I phrased that is confusing. I'm writing a program that acts kind of like a filter - it retrieves an answer to a query, counts the rows, then I want to do a slightly more narrow ...
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320 views

Why is there a difference in CSV Export Results of Oracle SQL Developer and SQL Plus Spool

When I export data from SQL Developer GUI, setting format: csv, left enclosure: ", right enclosure: ", and Encoding: UTF8, I get data exactly the way that I need it for processing in Python. However,...
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126 views

What is the appropriate GCC version I should use for building my External Procedure?

When working with Oracle External procedures, what is the GCC version I should use to build my procedure? Does Oracle get shipped with a GCC version and libraries that it keeps in one of its own ...
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363 views

Out of memory error from Java stored procedure

I have a Java stored procedure inside Oracle 11g database. The procedure uses lots of memory, so I'm setting the max memory size in same session: create or replace function setMaxMemorySize(num ...
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54 views

Is there a way to check which views have data? Oracle 11g

I'm undergoing a cleanup process for a data mart design. However, I want to get rid of any views (in the design) which result in having 1 or less rows of data. Instead of manually going through 2,...
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207 views

TAF vs SCAN in Oracle 11gR2

We are planning to use Oracle 11gR2 RAC. I am wondering if TAF is required to setup even when using SCAN in Oracle 11gR2 RAC. Please let me know if there are any advantages of using TAF along with ...
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500 views

Removing locks in Oracle without being admin

3 wild sessions each got a row exclusive lock in the same table: SELECT * FROM DBA_DML_LOCKS; How can I remove the lock without being admin? If I was admin I would list (SID, SERIAL#) of the ...
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256 views

Maxing out the shared pool's memory by executing many UPDATE statements (ORA-04031)

I was executing a bunch of UPDATE statement. Around ~32.8K got executed and committed, then got the error: cx_Oracle.DatabaseError: ORA-04031: unable to allocate 3896 bytes of shared memory ("...
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885 views

Oracle RAC takes forever dropping tables

We are seeing table drops consistently take tens of seconds on our Oracle 12c RAC. It appears to be spending on its time on reliable message waits. Which I think means that it asks the other node to ...
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496 views

WHENEVER OSERROR suppresses error messages

$ sqlplus <connstring> 2>&1 <<! WHENEVER SQLERROR EXIT FAILURE ROLLBACK; WHENEVER OSERROR EXIT FAILURE ROLLBACK; SET ECHO ON; @nonex.sql; ! Produces SQL*Plus: Release 11.2.0.1.0 ...
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160 views

How to downgrade Oracle Database from 11gr2 to 10g?

In certain situation i have to downgrade from 11gr2 to 10g but coudn't find right way to downgrade. Can you please give a right direction and possible causes to Database.!
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1k views

Slow running Oracle query caused by unnecessary full table scan

I'm by no means an expert with Oracle, but I know enough in terms of how to analyze explain plans and perform basic optimizations. However, this time, Oracle has stumped me with it's explain plan. ...
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255 views

Script to automatically Identify tablespaces above threshold and bring it back to below threshold value

I am facing all the tablespaces crossing threshold problem in all most all the databases we have in our environment. Because of this much manual effort is been needed. I am able to identify the ...
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118 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 ...
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43 views

Oracle query optimization time

Is there any way to get how long it takes the optimizer to optimize a query in Oracle?
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28 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 1    0  &...
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56 views

Is this MERGE statement correct?

Question: Is this MERGE statement correct ? emphasis on the ON and AND .. are they rightly placed? MERGE INTO VR_ORDER_LINE USING (SELECT * FROM E14) ON ( VR_LINE.RETAIL_NUMBER = E14_LOAD....
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50 views

IO contention on raid5 happens?

I found all of the Oracle data files including redo, control, system, index and everything are in just one directory. And that directory is on Raid 5 disks. In this case do I need to do something ...