SQL Query executing late

Hi gurus,
I heard interview question like:
today a sql statement is execution getting too late than yesterday.
then what you will take necessary steps. explain.
could you please full fill the answer
thanks a lot....

A sql is a live entity, yesterday it take 10 sec today 10 minutes, it would be, if hash plan value doesn't change, a problem the I/O concurrency (more things running in the database), more data to process, older statistics because a big load of delete in any table of the query, etc. You must to examine the differences from between yesterday and today (using grid control, statspack).
HTH
Antonio NAVARRO

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SQL Query Executing longer time

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Select distinct
IBS.ADSL_ACCESS_INFO,
IBS.LIJ ,
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Predicate pushing can help when it greatlly restricts the number of rows - you must experiment - might not work with all predicates pushed (as shown here)
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inner join BaseManagedEntity bme on pcv.ManagedEntityId = bme.BaseManagedEntityId
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Gautam.75801

Can you try the below query?
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Refer for the other ways
http://dba.stackexchange.com/questions/23566/writing-select-result-to-a-csv-file
--Prashanth

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hi:
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Message was edited by:
anbarasan

Hi anbarasan,
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All,
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SELECT * FROM (SELECT apps.xxoqt_system_items_v1.SEGMENT1, apps.xxoqt_system_items_v1.DESCRIPTION,
apps.xxoqt_item_stock_v.ORGANIZATION_NAME, apps.xxoqt_item_stock_v.ORGANIZATION_CODE,
apps.xxoqt_system_items_v1.RETAIL_PRICE, apps.xxoqt_item_stock_v.ORGANIZATION_ID,
apps.xxoqt_item_stock_v.RESERVABLE_QTY as OnHand_QTY, apps.xxoqt_item_stock_v.INVENTORY_ITEM_ID,
apps.xxoqt_system_items_v1.PC_CODE, apps.XXOM_SPA_OQT_PKG.GET_NET_PRICE(apps.xxoqt_item_stock_v.INVENTORY_ITEM_ID,:bAccountNumber) as NetPrice,
apps.xxoqt_system_items_v1.pack_qty, apps.xxoqt_system_items_v1.box_qty, apps.xxoqt_system_items_v1.case_qty
FROM apps.xxoqt_system_items_v1 ,apps.xxoqt_item_stock_v
WHERE apps.xxoqt_system_items_v1.INVENTORY_ITEM_ID = apps.xxoqt_item_stock_v.INVENTORY_ITEM_ID AND 1=1) QRSLT ORDER BY RETAIL_PRICE DESC
Oct 9, 2011 3:19:16 PM com.awrostamani.view.TracingViewObjectSqlQueryExecution logQueryStatementAndBindParameters
INFO: BindVars:(bAccountNumber=null)I am a bit confused here as it looks like the entire query is getting executed for sorting.
Can someone please tell me what is the issue here ?
thnks
Jdev 11.1.1.5
Edited by: in the line of fire on Oct 9, 2011 2:07 PM
Edited by: in the line of fire on Oct 9, 2011 3:19 PM

@Timo, the moment i add the line in the VO create() also tried it adding to the constructor but
I am getting this error.
java.sql.SQLSyntaxErrorException: ORA-00907: missing right parenthesis
However my issue is not with QRSLT but the issue is the query getting fired on column sorting, and in the process bind values are being set as null
my base query on which table is built is
SELECT apps.xxoqt_system_items_v1.SEGMENT1, apps.xxoqt_system_items_v1.DESCRIPTION,
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Edited by: in the line of fire on Oct 9, 2011 5:51 PM
Edited by: in the line of fire on Oct 9, 2011 6:04 PM

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Hi,
I want to know how is sql executed in oracle engine.
Please provide me the link or the document.
For eg: SQL>select * from emp;
how the execution happens from beginning till end.

>
I want to know how is sql executed in oracle engine.
Please provide me the link or the document.
For eg: SQL>select * from emp;
how the execution happens from beginning till end.If you are interested in databases in general (and for your
edification) you might want to look at the books below.
http://www.amazon.com/Fundamentals-Database-Systems-Ramez-Elmasri/dp/0321122267
http://infolab.stanford.edu/~ullman/dscb.html
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>
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A.REPORTDESCRIPTION=B.REPORT_DESC and
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A.CARRIED_ITEM_ROUTE_NO=B.CARRIED_ITEM_ROUTE_NO and
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A.CARRIER_ITEM_TYPE=B.CARRIER_ITEM_TYPE and
A.CARRIED_ITEM_PROTECTION_TYPE=B.CARRIED_ITEM_PROTECTION_TYPE
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==========
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How to execute a SQL Query in Ms-Access

Hi,
I've a query which fetches the data from the tables based on daily transactions.
I mean, the data gets updated daily basis.
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I found some documents in google to, how to write sql query in ms-access.
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Thanks,
Santhosh

You can try this tutorials
http://www.reo.gov/gis/tools/infobase/LinkAccessToOracle.pdf
Basically steps include,
Install and configure Oracle client
Configure ODBC DSN using correct TNS name configured in first step
Link the table from Msaccess, make sure you linked the table not import it.

How to execute a sql query in VO????

Hi every body.
Can you show me the way to execute a sql query in VO.
For example: I have a viewobject1, and I add a new method void execSQL() before the last '}' of the java file of viewobject1 like this:
public void execSQL() {
String strSql = "Select sysdate from dual";
I want to execute strSql query and return a Resultset, how can I perform ???
Thanks a lot.

The executeQuery method in ViewObjectImpl does not return a ResultSet.
ViewObjectImpl voImpl;
voImpl.setQuery(strSql);
voImpl.executeQuery();

SQL Query executing late

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