Use of between functionality in oracle

what is the use of between functionality in oracle
my understanding is if i tell val between a and b then it should be >a and <b
whether it will vary with different versions of oracle
please clarify
thanks in advance

Have you considered looking in the documentation?
"This comparison operator tests whether a value lies in a specified range. It means: greater than or equal to low value and less than or equal to high value."

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Using a C function in Oracle

Hi,
I have a field in my table that stores an ID which is encoded using a C function. (third party database)
I have also been provided the C function that decodes that field to display the actual value. I have compiled this code using Visual Studio .Net 2003 to a dll file, but do not know how to use it in Oracle. Or are there other ways to use this decode function in Oracle?
I am on 9i database, Windows 2003 server.
Any help is appreciated.
Thank you.

Hi, see:
http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:9087161189226

Is it possible to use dataguard between 64 bit oracle and 32 bit oracle

primary db 64 bit oracle (10g r2)
standby db 32 bit oracle (10g r2)
is it possible to crate such a data protection solution with data guard that works
thanks for your reply

Hi,
Here is a related thread, with comments by the author of the Oracle Data Guard book:
http://dba.ipbhost.com/index.php?showtopic=1064
The main requirement is Oracle software and O/S should be exactly same on primary and standby hosts.
So you will need to install Linux 32 bit and same oracle software on both machines. I am not aware of any other modification that you will need.
The chipset can be different as long as the O/S is same on both the hosts as I/O calls are created by O/S and are not dependent on chipset.
Hope this help . . .
Don Burleson
http://www.dba-oracle.com

T-SQL functions in ORACLE

Use T-SQL functions in ORACLE too, so you can write one script version that works in SYBASE, SQLSERVER and ORACLE when need to use the following functions:
ceiling, charindex, dateadd, datediff, datename, datepart, day, db_id, db_name, getdate, host_id, host_name, left, len, month, replicate, right, space, str, str_replace, stuff, substring, suser_id, suser_name, user_id, user_name and year.
The file [comp_tsql_ORA_schema.txt|http://forums.databasejournal.com/attachment.php?attachmentid=564&d=1258547015] creates the tablespace and schema to put the objects, and the file [comp_tsql_ORA.txt|http://forums.databasejournal.com/attachment.php?attachmentid=569&d=1259256898] creates the functions into the new schema. They will be avaliable for any schema of the oracle instance.
Hope this help!
Any suggestion please contact.
aklein2003
Edited by: user1958693 on 26/11/2009 10:16

jgarry wrote:
J2EE beta released around 1999. Religious programming wars far preceded that. Here's but [one example|http://groups.google.com/group/comp.lang.lisp/browse_thread/thread/1c50bc13e9302f00/34bb8f3ac77e2388?q=programming+language+religion#34bb8f3ac77e2388] from a quick google. I'm no longer convinced that elegance is a desirable trait for a language. So call me a heretic.
Ever tried XLISP? :-)
It's different. Back then it was simply the language itself. And it was not really a religious kind of battle, but more a mine-is-bigger-and-better-than-yours one.
With Java, it is all about The Acrhitecture and the blessed language of Java. ;-)
I wouldn't so much blame J2EE believers for that. I think there is a fundamental complexity to web type paradigms that hasn't been described in a precise and encompassing enough manner to enable correct project planning.The basic problem is that the database is treated as a persistent storage layer only. A bit bucket. And that is exactly what a database is not.
But as it is used that, loads of database features now need to be duplicated in the application layer. Which is done. Very poorly.
Heck, I've even been told that J2EE's 3-tier architecture is not client server. Such ignorance is really unbelievable. Or is it pure stupidity?Until you just made me look it up, I would have thought that too, I'm sure I saw client/server defined as two-tier in the last century. But I have much more stupid misdefinitions to deal with on a daily basis, simply from the multiplicity of paradigms. I tend to retreat into my shell. Hehehe. Know that feeling... These days I rather run away, or set shields to full power, than try to get in yet another frustrating, fruitless and futile discussion with a Java head about the wonders of the J2EE architecture. Or trying to explain that this "new" architecture is predated with what we used in the 80's on mainframe systems with transaction monitors, block devices (the 80's web browsers) and databases - which software layer for software layer was almost identical to "+The Great Architecture+" of today. (and we did it without buzzwords too) ;-)
Client-server is a software architecture and in essence describes 3 basic software components. The User Interface (UI), the Application (APP) and the Database (DB). And there are various ways to put these components together in a client-server architecture. The mistake that the Java fanbois make is thinking that client-server means having the client as the UI and APP as a single component (so-called fat client) and then the DB component as the server.
There are numerous versions of these - including the APP component being a server component (as we now these days more commonly used in over the web).
My beef with the J2EE "+religion+" always has been that client-server is client-server. The fundamentals stay the same.

Need Assistance for VBA function in oracle how to implement

My very respected and Senior, regards,
Sir, hope you will in best of health and wealth by the grace of God,
Sir, i have a request problem as i m very junior against you and you have passed this time before many years ago as i m standing where. Sir i m a very junior developer of oracle and have a problem putting on your desk with the hope that you can help my as a boss.
Sir me have to calculate yield of Bond using oracle form
i have tried my best and tired
there is a formulae in excel which give the Yield() when we provide the parameters
and i need the excel formulae or the oracle calculation code of PLSQL for this.
How can i get yield when i have price, coupon rate, frequency, issue and maturity of the coupon , coupon period , next coming coupon , and others detail.
or tell me how to use EXCEL VBA for this problem ,
thnx n regards,
yours student, junior developer youngest brother
Faraz
How can I get the solution using Excel VBA function with oracle
so that move values to excel calculate them and copy the result from excel to oracle forms

Hi,
for the Hex-Number-conversion see:
[url http://psoug.org/snippet/Convert-Hex-to-Decimal-Decimal-to-Hex_78.htm] self-defined Conversion-Functions
What number format do you have? YYYMMDD
Or is there a Date corresponding to 1 and a number n represent the date n-1 days after day 1?
Please describe further.
Bye
stratmo

Are there different php functions for Oracle 8 and 9?

Hi!
Are there different php functions for Oracle 8 and 9?
Thanks for your answer!

You can use the oci8* functions for Oracle 8, 9 and 10.
It is the most recent PHP interface to Oracle, and uses Oracle's most recent
API.
The name oci8 comes from the version number of Oracle - version 8 - when
Oracle introduced a new C API. It succeeded the original OCI and got the
common name OCI8. The original OCI now has the common name of OCI7.
-- CJ

Generate HTML format report using DBMS_SQLTUNE.REPORT_TUNING_TASK function

How could i generate HTML format report using DBMS_SQLTUNE.REPORT_TUNING_TASK function in oracle 11g

See [url http://download.oracle.com/docs/cd/E11882_01/appdev.112/e16760/d_sqltun.htm#CHDGEIHJ]documentation for DBMS_SQLTUNE.
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Between function for dates in Docmd.OpenReport rptName,,[date-filed] BETWEEN #date1# AND #date2# .. NOT WORKING

Please assist, this is a nightmare indeed.
Am trying to filter records in a report using the BETWEEN function, as below:
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DoCmd.OpenReport strDocName, acViewPreview, , strCondition, acWindowNormal
The report is bringing up all records including those outside the specified range. What could be wrong with this???? Please assist, I am going nuts over this...

The date literals I used are in the
ISO standard for date notation of YYYY-MM-DD so are internationally unambiguous. The only circumstance I can envisage in which it would not return the rows expected would be the extremely unlikely one where all the rows with dates in the range happen
to have a date of 7 March 2015, and all have a non-zero time of day element. There is no such thing in Access as a date value, only a date/time value so #2015-03-07# in fact represents the point of time at midnight at the start of 7 March 2015.
Any rows with date/time values of that date, but with a non-zero time of day would consequently fall outside the range.
The above is so unlikely that I can't believe it to be the case, but the bullet-proof syntax would be:
strCondition = "dtAllocation >= #2015-02-06# " & _
"AND dtAllocation < #2015-03-07#+1"
i.e. all date/time values on or later than the start of the first day of the range (#2015-02-06 00:00:00#) and before the start of the day following the end of the range (#2015-03-08 00:00:00#)
Assuming that the dtAllocation column is of date/time data type, and is returned as such in the report's RecordSource, not as a formatted string expression, I can see no reason on the information available why the above should not work, so if the report is
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Ken Sheridan, Stafford, England

Using FILTER function in oracle answers

Gurus,
I have a question related to using Filter function in oracle answers.
When trying to insert a Filter (expr) Using (expr) clause in the formula area of a fact table field, It errored out with msg saying about using a wrong measure.
I know this can be done with a case expression but I tried filter clause since this is available in oracle answers.
Please help me figuring out this scenario.
Thanks.

David / Raghu - Thanks for u'r replies and apologizes for not posting question with proper material.
Am posting my code and the error message from the screen.
Code :
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Error :
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OK (Ignore Error)
Please continue answering my queries. Since am a newbie your answers won't be just a reply but it's actually learning for me.
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Can We use FDM as ETL tool between SQL and Oracle

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Rahul
Edited by: user12190125 on Nov 9, 2009 4:23 AM

Rahul,
I believe this is possible to do, but not an easy one and there are a few considerations:
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Check the data mart adapter and see if you feel comfortable with defining the vb code in there. There are reasons for and against this approach. ODI would probably be the better choice unless you really need to have FDM's process support.
Regards,
Matt

Bulk Replacements using Replace function in oracle 8i

Hi All,
Iam using oracle 8i version and i need to use Replace function for bulf replacements i mean i need to replace around 250 rows. So please anyone suggest me how to proceed
on this request as iam using oracle 8i version.
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Srini

Write one update statement.
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The SET condition will do the data change. For example it could use the REPLACE function if that is what it is needed.
One single update statement over 20 rows would mean the task is done in BULK. 20 single updates that each handle one row would mean it is row by row = slow by slow processing.

Using PI - Calling a Function in Oracle

Hi,
I understand that the receiver JDBC adapter is capable of calling a stored procedure or a function in Oracle. I would like to call an Oracle function using the Receiver JDBC Adapter. How should my structure look like.
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Krishnan

Hi,
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Krishnan

ODSI service using function from oracle database

Hi ,
I need to create a ODSI service using function from oracle database.
I am not sure how to create a Physical Layer and Logical Layer using the function fron db.
Kindly provide a sample . I need It ASAP. Thanks in advance.
Regards,
Tara

Here's what you do.
Create New Physical Data Service -> Relational -> MyDataSource -> Table -> SomeTable ... finish the wizard.
So now you have a Physical Data Service that represents a database table.
Create New Physcial Data Service -> Relational -> MyDataSource (the same one as above) -> Database Function -> Enter UPPER for the Function name, enter MyUpper fro the XQuery Function. Finish the Wizard (use something like MyUpperDs for the ds name).
Open MyUpperDs. Right-click -> Edit Signature on MyUpper. Change the ReturnType to string, change the Occurrence to Zero or One.
Add a parameter, change the Type to string, change the Occurrence to Zero or One.
Save.
Now, open the first ds you made SomeTable.ds (whatever). Run it in the test view.
Go to the Overview tab. Create New Operation. Give it the name SOMETABLE_UPPER. Save it.
Go to the Query Map tab, open SOMETABLE_UPPER. Drag and drop SOMETABLE (the system-generated function into the mapper. It will show a dotted line from SOMETABLE to the Return. Now drag-and-drop the SOMETABLE to the top-level element of the return type, it will show solid lines from each element in SOMETABLE to each element in the return type.
Now, drag-and-drop MyUpperDs.MyUpper into the Query Mapper. Edit the source, find where it added the line "for $x in myd:MyUpper()" and delete that line.
Change a line that simply returns a value to use your function, for example, change
<FIRST_NAME>{fn:data($CUSTOMER/FIRST_NAME)}</FIRST_NAME>
to
<FIRST_NAME>{myd:MyUpper(fn:data($CUSTOMER/FIRST_NAME))}</FIRST_NAME>
Click on the Plan tab and Show Query Plan. You will see that in the query plan, it is using the database UPPER function where you specified MyUpper.
Go to the Test View and run it.
I used the RTLCUSTOMER table in cgDataSource
xquery version "1.0" encoding "UTF-8";
(::pragma xds <x:xds xmlns:x="urn:annotations.ld.bea.com" targetType="t:CUSTOMER" xmlns:t="ld:physical/CUSTOMER">
<creationDate>2010-10-14T13:09:54</creationDate>
<relationalDB name="cgDataSource" providerId="Pointbase"/>
<field xpath="CUSTOMER_ID" type="xs:string">
<extension nativeXpath="CUSTOMER_ID" nativeTypeCode="12" nativeType="VARCHAR" nativeSize="32" nativeFractionalDigits="0" nativeKey="true"/>
<properties nullable="false"/>
</field>
<field xpath="FIRST_NAME" type="xs:string">
<extension nativeXpath="FIRST_NAME" nativeTypeCode="12" nativeType="VARCHAR" nativeSize="64" nativeFractionalDigits="0"/>
<properties nullable="false"/>
</field>
<field xpath="LAST_NAME" type="xs:string">
<extension nativeXpath="LAST_NAME" nativeTypeCode="12" nativeType="VARCHAR" nativeSize="64" nativeFractionalDigits="0"/>
<properties nullable="false"/>
</field>
<field xpath="CUSTOMER_SINCE" type="xs:date">
<extension nativeXpath="CUSTOMER_SINCE" nativeTypeCode="91" nativeType="DATE" nativeSize="10" nativeFractionalDigits="0"/>
<properties nullable="false"/>
</field>
<field xpath="EMAIL_ADDRESS" type="xs:string">
<extension nativeXpath="EMAIL_ADDRESS" nativeTypeCode="12" nativeType="VARCHAR" nativeSize="32" nativeFractionalDigits="0"/>
<properties nullable="false"/>
</field>
<field xpath="TELEPHONE_NUMBER" type="xs:string">
<extension nativeXpath="TELEPHONE_NUMBER" nativeTypeCode="12" nativeType="VARCHAR" nativeSize="32" nativeFractionalDigits="0"/>
<properties nullable="false"/>
</field>
<field xpath="SSN" type="xs:string">
<extension nativeXpath="SSN" nativeTypeCode="12" nativeType="VARCHAR" nativeSize="16" nativeFractionalDigits="0"/>
<properties nullable="true"/>
</field>
<field xpath="BIRTH_DAY" type="xs:date">
<extension nativeXpath="BIRTH_DAY" nativeTypeCode="91" nativeType="DATE" nativeSize="10" nativeFractionalDigits="0"/>
<properties nullable="true"/>
</field>
<field xpath="DEFAULT_SHIP_METHOD" type="xs:string">
<extension nativeXpath="DEFAULT_SHIP_METHOD" nativeTypeCode="12" nativeType="VARCHAR" nativeSize="16" nativeFractionalDigits="0"/>
<properties nullable="true"/>
</field>
<field xpath="EMAIL_NOTIFICATION" type="xs:short">
<extension nativeXpath="EMAIL_NOTIFICATION" nativeTypeCode="5" nativeType="SMALLINT" nativeSize="5" nativeFractionalDigits="0"/>
<properties nullable="true"/>
</field>
<field xpath="NEWS_LETTTER" type="xs:short">
<extension nativeXpath="NEWS_LETTTER" nativeTypeCode="5" nativeType="SMALLINT" nativeSize="5" nativeFractionalDigits="0"/>
<properties nullable="true"/>
</field>
<field xpath="ONLINE_STATEMENT" type="xs:short">
<extension nativeXpath="ONLINE_STATEMENT" nativeTypeCode="5" nativeType="SMALLINT" nativeSize="5" nativeFractionalDigits="0"/>
<properties nullable="true"/>
</field>
<field xpath="LOGIN_ID" type="xs:string">
<extension nativeXpath="LOGIN_ID" nativeTypeCode="12" nativeType="VARCHAR" nativeSize="50" nativeFractionalDigits="0"/>
<properties nullable="true"/>
</field>
<key name="CUSTOMER_0_SYSTEMNAMEDCONSTRAINT__PRIMARYKEY" type="cus:CUSTOMER_KEY" inferredSchema="true" xmlns:cus="ld:physical/CUSTOMER"/>
</x:xds>::)
declare namespace myd= "ld:physical/MyDs";
declare namespace f1 = "ld:physical/CUSTOMER";
import schema namespace t1 = "ld:physical/CUSTOMER" at "ld:physical/schemas/CUSTOMER.xsd";
import schema "ld:physical/CUSTOMER" at "ld:physical/schemas/CUSTOMER_KEY.xsd";
(::pragma function <f:function xmlns:f="urn:annotations.ld.bea.com" visibility="public" kind="read" isPrimary="false" nativeName="CUSTOMER" nativeLevel2Container="RTLCUSTOMER" style="table">
<nonCacheable/> </f:function>::)
declare function f1:CUSTOMER() as schema-element(t1:CUSTOMER)* external;
(::pragma function <f:function xmlns:f="urn:annotations.ld.bea.com" visibility="public" kind="create" isPrimary="true" nativeName="CUSTOMER" nativeLevel2Container="RTLCUSTOMER" style="table">
<nonCacheable/> </f:function>::)
declare procedure f1:createCUSTOMER($p as element(t1:CUSTOMER)*)as schema-element(t1:CUSTOMER_KEY)* external;
(::pragma function <f:function xmlns:f="urn:annotations.ld.bea.com" visibility="public" kind="update" isPrimary="true" nativeName="CUSTOMER" nativeLevel2Container="RTLCUSTOMER" style="table">
<nonCacheable/> </f:function>::)
declare procedure f1:updateCUSTOMER($p as changed-element(t1:CUSTOMER)*) as empty() external;
(::pragma function <f:function xmlns:f="urn:annotations.ld.bea.com" visibility="public" kind="delete" isPrimary="true" nativeName="CUSTOMER" nativeLevel2Container="RTLCUSTOMER" style="table">
<nonCacheable/> </f:function>::)
declare procedure f1:deleteCUSTOMER($p as element(t1:CUSTOMER)*) as empty() external;
(::pragma function <f:function kind="read" visibility="public" isPrimary="false" xmlns:f="urn:annotations.ld.bea.com"/>::)
declare function f1:CUSTOMER_UPPER() as element(f1:CUSTOMER)*{
for $CUSTOMER in f1:CUSTOMER()
return
<t1:CUSTOMER>
<CUSTOMER_ID>{fn:data($CUSTOMER/CUSTOMER_ID)}</CUSTOMER_ID>
<FIRST_NAME>{myd:MyUpper(fn:data($CUSTOMER/FIRST_NAME))}</FIRST_NAME>
<LAST_NAME>{fn:data($CUSTOMER/LAST_NAME)}</LAST_NAME>
<CUSTOMER_SINCE>{fn:data($CUSTOMER/CUSTOMER_SINCE)}</CUSTOMER_SINCE>
<EMAIL_ADDRESS>{fn:data($CUSTOMER/EMAIL_ADDRESS)}</EMAIL_ADDRESS>
<TELEPHONE_NUMBER>{fn:data($CUSTOMER/TELEPHONE_NUMBER)}</TELEPHONE_NUMBER>
<SSN?>{fn:data($CUSTOMER/SSN)}</SSN>
<BIRTH_DAY?>{fn:data($CUSTOMER/BIRTH_DAY)}</BIRTH_DAY>
<DEFAULT_SHIP_METHOD?>{fn:data($CUSTOMER/DEFAULT_SHIP_METHOD)}</DEFAULT_SHIP_METHOD>
<EMAIL_NOTIFICATION?>{fn:data($CUSTOMER/EMAIL_NOTIFICATION)}</EMAIL_NOTIFICATION>
<NEWS_LETTTER?>{fn:data($CUSTOMER/NEWS_LETTTER)}</NEWS_LETTTER>
<ONLINE_STATEMENT?>{fn:data($CUSTOMER/ONLINE_STATEMENT)}</ONLINE_STATEMENT>
<LOGIN_ID?>{fn:data($CUSTOMER/LOGIN_ID)}</LOGIN_ID>
</t1:CUSTOMER>
xquery version "1.0" encoding "UTF-8";
(::pragma xfl <x:xfl xmlns:x="urn:annotations.ld.bea.com">
<creationDate>2010-10-14T13:10:45</creationDate>
<customNativeFunctions>
<relational>
<dataSource>cgDataSource</dataSource>
</relational>
</customNativeFunctions>
</x:xfl>::)
declare namespace f1 = "ld:physical/MyDs";
(::pragma function <f:function visibility="protected" kind="library" isPrimary="false" nativeName="UPPER" xmlns:f="urn:annotations.ld.bea.com">
<nonCacheable/>
</f:function>::)
declare function f1:MyUpper($arg0 as xs:string?) as xs:string? external;
<cus:CUSTOMER xmlns:cus="ld:physical/CUSTOMER">
<CUSTOMER_ID>CUSTOMER1</CUSTOMER_ID>
<FIRST_NAME>JACK</FIRST_NAME>
<LAST_NAME>Black</LAST_NAME>
<CUSTOMER_SINCE>2001-10-01</CUSTOMER_SINCE>
<EMAIL_ADDRESS>[email protected]</EMAIL_ADDRESS>
<TELEPHONE_NUMBER>2145134119</TELEPHONE_NUMBER>
<SSN>295-13-4119</SSN>
<BIRTH_DAY>1970-01-01</BIRTH_DAY>
<DEFAULT_SHIP_METHOD>AIR</DEFAULT_SHIP_METHOD>
<EMAIL_NOTIFICATION>1</EMAIL_NOTIFICATION>
<NEWS_LETTTER>0</NEWS_LETTTER>
<ONLINE_STATEMENT>1</ONLINE_STATEMENT>
</cus:CUSTOMER>
.

On certain web sites(with java applets embedded or rich content),sometimes browser hotkeys are beeing used with other functionality (eg.: youtube uses ctrl + tab for sliding between player controls).How can I prevent this?

On certain web sites(with java applets embedded or rich content),sometimes browser hotkeys are beeing used with other functionality (eg.: youtube uses ctrl + tab for sliding between player controls).How can I prevent this ?

Thanks for posting this!
I would only mention that your definition is incomplete for this -
Contextual selector A type of Style Sheet Selector that
and that it's most often referred to now as a Descendent selector, not a contextual selector. It's basically the same as the Compound selector that you have already defined....

How to use "Rank" function in Oracle?

I need to display Top 15 records by using rank function.
Here is my query...I need to pull top 15 FAQ's using the below query.. How can I use RANK function to display the Top 15 FAQ"s in the list.
Select distinct SUb1.FAQ,Sub1.FAQ_Hits,GU.display_Name_FMLS as displayname,ev.ParentLinkrecordid,ev.userid from User GU
Join Event ev
ON LOWER (ev.userid) IN (LOWER (GU.lanid), LOWER (Gu.racfid))
Join (Select distinct sm.stem as FAQ,Sum(ev.Eventresults) as FAQ_Hits,ev.ParentLinkrecordid as Topic_ID from Event ev
Join SubjectMatter sm
ON (TO_CHAR (sm.smrecordid) = ev.eventdetail1) AND ev.eventdetail1 IS NOT NULL AND sm.smtype = 1
Where (Upper(ev.eventsubtype) in (Upper('FAQ'),Upper('OPENFAQ')))
AND TO_DATE (eventdatetime, 'yyyy-mm-dd hh24:mi:ss') >= TO_DATE ('20100601', 'yyyymmdd')
and TO_DATE (eventdatetime, 'yyyy-mm-dd hh24:mi:ss') <= TO_DATE ('20100831', 'yyyymmdd')
Group by sm.stem,ev.Parentlinkrecordid
order by FAQ )sub1
ON Sub1.Topic_ID = ev.ParentLinkrecordid)

A few bits that I noticed in the query ...
in (Upper('FAQ'),Upper('OPENFAQ'))1) Do you really a upper for a string which is already in upper case.
Select distinct sm.stem as FAQ,Sum(ev.Eventresults) as FAQ_Hits,ev.ParentLinkrecordid as Topic_ID2) Do you need a distinct when you are using a GROUP function viz. SUM ?
You rank query is as follows, I am not very good at the ANSI style JOIN so changed it slightly ... :-)
Also notice the usage rank function in the "sub1" query.
select distinct sub1.faq,
                sub1.faq_hits,
                gu.display_name_fmls as displayname,
                ev.parentlinkrecordid,
                ev.userid
from user gu, event ev,
(select rank() over (order by sum(ev.eventresults) desc) rnk,
          sum(ev.eventresults) as faq_hits,
          sm.stem as faq,
          ev.parentlinkrecordid as topic_id
     from event ev, subjectmatter sm
    where (to_char(sm.smrecordid) = ev.eventdetail1)
      and ev.eventdetail1 is not null
      and sm.smtype = 1
      AND upper(ev.eventsubtype) in ('FAQ', 'OPENFAQ')
      and to_date(eventdatetime, 'yyyy-mm-dd hh24:mi:ss') >= to_date('20100601', 'yyyymmdd')
      and to_date(eventdatetime, 'yyyy-mm-dd hh24:mi:ss') <= to_date('20100831', 'yyyymmdd')
    group by sm.stem, ev.parentlinkrecordid
    order by faq) sub1
where lower(ev.userid) in (lower(gu.lanid), lower(gu.racfid))
and sub1.topic_id = ev.parentlinkrecordid)
and sub1.rnk <= 15;Like mentioned above, some sample data would have helped.

Use of between functionality in oracle

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