SQL & PL/SQL :: Loading Java Resource In 11gr2?
Jun 5, 2013
am trying to load java resource in oracle llgr2 using load java. It shows resource loaded but I am not able find it in database dictionary. I configured JVM also on database and gave all the neccessary grants. whenever I am trying to encrpt it give me
SQL> HOST loadjava -u scott/scott1234@mock -v -resolve /data1/Encrypt/javasp/KeyAccess.class
arguments: '-u' 'scott/***@cmsmock' '-v' '-resolve' '/data1/Encrypt/javasp/KeyAccess.class'
creating : class javasp/KeyAccess
loading : class javasp/KeyAccess
[code]...
below are the db version details
SQL> select banner from v$version
2 ;
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
PL/SQL Release 11.2.0.1.0 - Production
CORE 11.2.0.1.0 Production
TNS for IBM/AIX RISC System/6000: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production
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Jul 16, 2011
if there is any package provided with DB that would allow me to import XML file and then use XPath to read the data? I need to insert it in proper tables then. I could see packages to create XML files, but I could not see any one to load it from the file. I could see it could be done in Java using XMLDOM, but is there any way of doing this using pure PL/SQL?
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Nov 1, 2012
Version of DB: Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
I have issue while loading xml_data into xmltype field in the table.Issue is whenever there is a special character like this 'revisions to §6' in xml text then it is 'revisions to §6' when its in the xmltype field of the table.
There is this new character appended before every special character.I have checked the database characterset.Characterset: NLS_ CHARACTERSETValue: AL32UTF8
create table xx_testxml(lx xmltype);/
DECLARE
x_item_doc sys.XMLTYPE := NULL;
BEGIN
SELECT XMLELEMENT("SyncItemPrimaryAttribute", 'revisions to §6' )
INTO x_item_doc
FROM dual;
INSERT
[code]....
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Mar 14, 2012
I have 1M Records coming from an External Data source as a Flat File (using ETL). Now I need only Yesterday's data only to load in my Database Table.
this can be done using Bulk Load and Filter.
write the CODE.
Second Part:-
Hint: if I need to update only those records been updated Say the Address1 field is updated. So this records need to update in my Master Customer Table.
If I have many fields in table and any records that are modified (coming to me from External Datasource as a Flat file) how to identify and update that record in my Master Customer Table?
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May 24, 2013
select *from v$version where rownum=1;
BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
prepare data:
CREATE TABLE a AS SELECT LEVEL ID ,decode(mod(LEVEL,10),1,'CODE'||LEVEL) CODE from dual CONNECT BY LEVEL<20001;
sql1:
CREATE TABLE TEST AS
SELECT ID,
NVL(CODE,LAG(CODE ignore nulls) OVER(ORDER BY ID )) CODE
FROM a;
the sql is slow,most of the waits on session is resmgr:cpu quantum and almost all of the cpu resource is occupied
sql2:
CREATE TABLE TEST AS
SELECT ID,
NVL(CODE,last_value(CODE ignore nulls) OVER(ORDER BY ID ROWS BETWEEN UNBOUNDED PRECEDING AND 1 PRECEDING)) CODE
FROM a;
this sql is fast
How lag function is implemented if the offset is not deterministic?
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Sep 21, 2011
I have a question:
With this plan active
PLAN GROUP_OR_SUBPLAN TYPE CPU_P1 CPU_P2 CPU_P3
x_PLAN x_APP_GROUP CONSUMER_GROUP 75 0 0
x_PLAN x_BO_HIGH_GROUP CONSUMER_GROUP 10 0 0
x_PLAN x_BO_LOW_GROUP CONSUMER_GROUP 5 0 0
x_PLAN OTHER_GROUPS CONSUMER_GROUP 10 0 0
if there is only an user of X_APP_GROUP that is working in a specified moment, he will use the 100% of CPU or il will be limited at 75% as specified in the plan?
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Sep 22, 2010
I am trying to get to where I can add a RAD (Resource Access Descriptor) to allow connection to an oracle database. Right now I have "No Configuration Privilege" when logging onto Oracle Identity Management.
How to I get to the configuration tab? What privilege do I need?
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Sep 1, 2010
i have one procedure that run at same time for two different partition.In the begin of the processes i do the truncate partition and after that the insert of data in the partition.Since i have two processes running at the same time, i will fill up data in two different partition.
But it occurred one error :
"ORA-00054: resource busy and acquire with NOWAIT specified"
The problem is caused by the truncate partition. I'm doing two simultaneous execution of the same process, but when one process is doing the truncate other is insert data.How can i do the truncate of this two partition, or insert in to, without get any error. I think the two simultaneous insert is not a problem.
So how can i lock the table in the first truncate and after that release the table for the next truncate?
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Oct 31, 2008
I want to change the processes parameter in RAC system.I am using spfile.I have ASM environment and two instances.
I followed the below steps from first server but i m getting error.
1) connected as sys user
2) alter system set cluster_database=false scope=spfile sid='<firstinstanceid>';
3) exited from oracle
4) stoped second instance from linux.
$ srvctl stop instance -d <DBname> -i <secondinstanceid>
5) Again i connected as sys user.
6) create spfile from pfile;
7) shutting down the db and started.
[code]....
But second instance is not starting and it is giving error.
PRKP-1001 : Error starting instance <sencondinstanceid> on node st-habam-db2
CRS-0215: Could not start resource 'ora.<DBname>.<secondInstanceid>.inst'.
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Apr 6, 2012
i am working in scott's schema and i want to create foreign key on new table that is "test" table ,structure is----
create table test(id number, name varchar2(20),dno number,pno number);
and now create a foreign key on id column of "test" table reffering the empno of "emp" table which has pk already. but it shows an error-------"ora-ORA-00054-resource busy and acquire with NOWAIT specified or timeout expired"
while i have create the "test" table just 1 min ago.
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Apr 26, 2013
I am trying to execute an xslt (for XML transformation) using xmltype.transform function.
I can't paste XSLT code here, but below is similar what I am doing.
[URL]
I have used a reference of random() method of java.lang.Math in xslt file, and it's giving me below error.
ORA-31011: XML parsing failed
ORA-19202: Error occurred in XML processing
LPX-00607: Invalid reference: 'random'.
I doubt, it's because of "Math" class, which is not present in Oracle, how to load standard java classes.
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May 22, 2012
I am trying to invoke program from my local Windows machine (exactly java executor, which is in my environment on c:javajdkinjava) using database package with Java stored procedure.
Everything is fired by SQLPLUS script, this script invokes package with Java stored procedure (jar loaded into Oracle) and that procedure is trying to invoke runtime process (syntax:
c:javajdkinjava -cp
and here ara my classes and main jar) using my local java executor. I added all permissions using dbms_java.grant_permisions (execution forced me to give permissions java.io.FilePermission to <<ALL_FILES>> for execute), moreover I added to my database user JAVASYSPRIV and JAVAUSERPRIV role. Unfortunately, beside this I am still getting error:
C:javajdkinjava not found (Note that lookup with PATH isn't done due to the oracle executable being setuid.)
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Jul 21, 2010
A batch job was running for a long time which executes a stored procedure that was doing physical deletes on an oracle table. This job ran for about 3 hrs and is still executing. Meanwhile another job(which was making indexes unusable in another table) has cancelled saying "resource busy and acquire with NOWAIT specified", i think it was ORA-0054! So i killed the first job and reran the second thinking the first one was taking up resources which resulted in the cancel of the second job. Now the second job ran successfully. Both these tables are not related to each other whatsoever...but why was there a cancel?
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May 31, 2012
I am database developer and suddenly i have been given a DBA work. I have to monitor database for resource intensive queries , whether i/o is more , process memory and many other stuffs.
Provide me some sql queries or scripts which shows that process are over loaded and memory needs to be allocated, queries are taking long time , i/o operation are more instead of memory.
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Mar 20, 2013
I have a requirement where I need to group sessions which takes time as given below when ran individually .There are a total of 32 sesions.I want to divide them into 7 groups.I want to submit each one of the 7 groups in a job.So there will be seven jobs on the whole.Execution flow will be group 1 completes ,then group 2 starts like that.Actually I don't want to bombard the database at a time with 32 jobs ,hence the idea of grouping 32 jobs among 7 groups.grouping the sessions so that on the whole ,resources are equally allocated among sessions in a group and which in turn makes the process complete faster. I want to achieve parallelism but at the same time database should not be loaded too much.I just want to know is there any good practice from oracle side while doing this type of grouping. I am planning to group the most time taking one with least time taking jobs.
S.NO Session_Name DURATION(HH:MM:SEC)
1 Session_1 00:11:56.202368
1 Session_2 00:00:00.058542
1 Session_3 00:00:00.055205
1 Session_4 00:00:00.043454
1 Session_5 00:00:00.039994
2 Session_6 00:08:05.786031
2 Session_7 00:00:00.579035
2 Session_8 00:00:00.537957
[code]...
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Jul 14, 2011
I was getting java.sql.SQLException: executeBatch, Exception = 1when i tried to use executeBatch().could not understand why i am getting it.
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Jun 20, 2011
I am writing a java stored procedure in my package. In the java procedure I want to issue a query to be fired on the user table from which I am calling the java procedure.
Some thing like following:
I am logged in to USER1 and my package is inside USER1. From this package I am calling the Java Stored Procedure. In java procedure I want to make a jdbc connection to USER2. The details of USER2(password, hostname,portno) are stored in a table called 'connection_details' and this table is in the USER1.
My problem is how can I issue the
SELECT details FROM CONNECTION_DETAILS for USER2
so that i can get the details..?
Do i need to first make jdbc connection to USER1 and then execute the above query for which i need similar details of USER1. How can i obtain the details of USER1 here.
I am thinking if I am already in USER1 then do I need to make the jdbc connection to USER1 and then execute the query?
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Dec 21, 2011
I've this java source create or replace and compile java source named "Decodificador" as
public class Decodificador {
public static String decodifica(String codigo)
return codigo;
and this function
create or replace function F_Decodificador(codigo varchar2) RETURN VARCHAR2 IS
LANGUAGE java NAME 'Decodificador.decodifica(String) return String';
when I execute the function the result is:
ORA-29531: no method decodifica in class Decodificador
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Jul 30, 2012
Which is the best driver for java to Oracle database connection ?
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Dec 8, 2010
I am using dbms_sqltune package to tune some resource intensive queries. In this I am looking to know how Sql profile works
I created task for one sql using dbms_sqltune, then in Report it was recommended to accept its sql profile (which will potentially benefits 65%)
then accepted that sql profile with
exec dbms_sqltune.accept_sql_profile(task_name => 'pc1_61d2dhmdwzc8d', replace => TRUE);
and re-executed same query but NO difference in time. Then, what that mentioned potentially benefit 65% is about.
1) Originally query is taking 10 sec to execute, with this 65% i thought that it will execute within 3-4 sec. Is it right?
2)Also, the query for which i have created tuning task has some hardcoded input values, what if i change input values next time, will that profile works with new input values?
FINDINGS SECTION (1 finding)
-------------------------------------------------------------------------------
1- SQL Profile Finding (see explain plans section below)
--------------------------------------------------------
A potentially better execution plan was found for this statement.
Recommendation (estimated benefit: 65.17%)
------------------------------------------
- Consider accepting the recommended SQL profile.
execute dbms_sqltune.accept_sql_profile(task_name => 'pc1_61d2dhmdwzc8d',
replace => TRUE);
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Feb 10, 2011
I need to call DB function through Java Hibernate.
My Sample XML File looks like.
---------------------------------------------------------------
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<sql-query name="getchequeno" callable="true">
?:=call cz_nab_mw_fn_gen_ol_chq_no()
</sql-query>
</hibernate-mapping>
---------------------------------------------------------------
I am getting below error while reading the file
"java.lang.RuntimeException: org.hibernate.HibernateException: Errors in named queries: getchequeno"
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Feb 4, 2005
Here is a problem. I have to pass an array e.g ('Account','Marketing',Computer' ) from java to Oracle 9i.
Would I be able to do in Oracle, if yes then how ?
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Aug 26, 2011
we can you java code natively with Oracle. But I didn't get how to decide when to use native java in oracle and when to use pl/sql.
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May 20, 2013
i`m trying to use pl/sql function to execute java class. I created 2 tables with around 100 values and java class with simple functionality. I need to create function to loop through my table1 and get with each iteration one value from table and pass that value as parameter to java class.
table1 is something like this:
ID NAME
1 name1
2 name2
3 name3
. .
. .
100 name100
table2 is empty with same columns as table1 ( table2 is for data obtained from java returns ) I created in sql+ java class.
CREATE OR REPLACE AND RESOLVE JAVA SOURCE NAMED "myClass" AS
import java.io.*;
import java.util.*
public class myClass {
public static String fun(String strName)
[code]....
Then i wanna make a pl/sql function for:
1)For i = 1 Obtain first value from table1 (column name) and pass it throught java class then return value and save it in table2 with the same id as id from table1
2) change i=1 to i=2 and do that same
3) end if i=101
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Nov 18, 2010
I am getting "ORA-00060: deadlock detected while waiting for resource" while deleting a datafile.
when i checked in dba_data_files and V$datafile the ONLINE_STATUS/STATUS is in RECOVER mode.
I do not need this datafile so i tried to drop using the following command ..
ALTER TABLESPACE DATAP_LARGE DROP DATAFILE 'D:\ORACLE\ORADATA\DATAP\DATAP_LARGE_12.DBF';
I checked the Trace file geenrated for the deadlock, the Session which is in question is the session where i ran the command (SQLPLUS).
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Nov 4, 2013
i am getting a below error whenever executing the below select query. some times it will show dead lock detected while waiting for resource and terminated...some times it executes and gives result..but all the time it writes an alert to alert log
Env: Linux / Oracle 11.2.0.3.3..Error from alert log:Errors in file /u01/oracle/oracle/diag/rdbms/bdrdb/bdrdb/trace/bdrdb_p017_6076.trc:ORA-00060: deadlock detected while waiting for resourceORA-10387: parallel query server interrupt (normal) Trace file info... bdrdb_p017_6076.trc:Trace file /u01/oracle/oracle/diag/rdbms/bdrdb/bdrdb/trace/bdrdb_p017_6076.trcOracle Database 11g Enterprise Edition Release 11.2.0.3.0 - ProductionWith the Partitioning, OLAP, Data Mining and Real Application Testing optionsORACLE_HOME = /u01/oracle/oracle/product/11.2.0/dbhome_1System.
[code]....
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May 13, 2011
why there is no "Row Source Operation" information when I trace a long and complicated SQL query (It takes at least 25 minutes ro run)?
However, I can get the "Row Source Operation" information for a simple SQL Query.
Here are the tkprof output for a simple query and complicated query:
tkprof Output for a simple query
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 13 0.00 0.00 0 16 0 173
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 15 0.00 0.00 0 16 0 173
Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 3139
Rows Row Source Operation
------- ---------------------------------------------------
173 TABLE ACCESS FULL MY_TABLE (cr=16 pr=0 pw=0 time=0 us)
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
SQL*Net message to client 13 0.00 0.00
SQL*Net more data to client 24 0.00 0.00
SQL*Net message from client 13 5.33 5.47
Tkprof output for a complex query
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.38 0.40 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 0 0.00 0.00 0 0 0 0
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 2 0.38 0.40 0 0 0 0
Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 3139
No Row Source Operation information here Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
SQL*Net message to client 1 0.00 0.00
db file sequential read 73062 0.25 692.23
db file scattered read 16099 0.18 76.65
latch: shared pool 4 0.02 0.03
latch: cache buffers chains 3 0.04 0.04
latch free 16 0.00 0.00
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Sep 6, 2013
I am using Release 11.2.0.3.0 - 64bit Production version of oracle. Now we are having 3-tier architecture, (firewal/web/app/DB).Now i saw , some of the 'sql' queries, running till ~10hrs in my database and those are part of application(module JDBC THIN CLIENT). After had a talk java guys, they ask to kill the sessions specific to those queries. They are part of search TO, in which user put some large values for the date range and went to other TAB, but these queries gets running infinitely in the database, and user is not interested in the result set.
So how to avoid these things, as because in past, our database has suffered resource contention leading to application slowness. So i was planing to set different timeouts using 'database resource consumer group' for online user request and batch request depending on the app server(that is by machine names) request.
So i have done below set up in my local to test one scenario, in which i will try give a database call from difference machine, and it should get timeout after the specified duration. But its not working , as expected. The calls from the specified machine are not getting assigned to the created 'Consumer group'.
Begin
-- create the pending area
dbms_resource_manager.create_pending_area();
END;
/
BEGIN
-- Create the consumer group
[code]....
After this when i am verifying calls from machine, 'LR9XY7T8' they are belongs to the consumer group 'OTHER_GROUPS' and sql query not getting timed out within 60 seconds as mentioned.
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Mar 28, 2013
How can I find out the particular oracle session which was consuming high memory in the past?
I can't get the data in v$sessstat
Unable to get the information in AWR
dba_hist_active_session_history do not have field which indicate memory related information
Shall I concetrate on EVENT in dba_hist_active_session_history which continuosly had sort, direct path read
Or
Locate sql_id from dba_hist_sqlstat with high SORTS_DELTA for snapshots belonging to problematic time period and then using the sql_id query dba_hist_active_session_history
which approach I shall take to find out the session which consumed most memory in the past?
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Oct 17, 2013
We are in 11gR2 in windows 2008. Our database is 2 nodes rac. I got alert message below.
Host=xxxx.xxxx.xxxx.xx.xxTarget type=Cluster Target name=ora-scan Message=ora.registry.acfs has 1 instances in INTERMEDIATE State Severity=Warning Event reported time=Oct 17, 2013 6:40:45 AM EDT Operating System=Windows Platform=x64 Associated Incident Id=xxxx Associated Incident Status= New Associated Incident Owner=SYSMAN Associated Incident Acknowledged By Owner=No Associated Incident Priority=Low Associated Incident Escalation Level=0 Event Type=Metric Alert Event name=resource_status:crs_event_composite_status Metric Group=Resource StateMetric= State ChangeMetric value=PARTIALLY_INTERMEDIATEKey Value=resource_ora.registry.acfs.type_ora.registry.acfsKey Column 1=KeyRule Name=EDC - Metric Alert,Warning Rule Owner=SYSMAN Update Details:ora.registry.acfs has 1 instances in INTERMEDIATE State Incident created by rule (Name = EDC - Metric Alert, Warning; Owner = SYSMAN).
I did check the cluster resources by srvctl status resource -t and all of resources are in online and none of them i saw in intermediate state. Is there any other command and option to investigate this error?
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