Using DISTINCT to filter SQL queries

Hello, I am new to the forums here, and need help with a SQL query.
I am trying to do something like this:
SELECT `comment_ID` , `comment_author_email` , `comment_subscribe`
FROM `wp_comments` FOR DISTINCT(comment_post_ID) WHERE `comment_subscribe` = 'Y'
LIMIT 0 , 100
basically I need to select three columns from one table ONLY IF:
1. the value of `comment_subscribe` = 'Y'
2. the value of `comment_post_ID` is distinct
I think I may be close, but I am new to SQL and cannot figure it out..
Any help would be greatly appreciated!
Thanks in advance.

You are very close.
What made you think putting single quotes around object names was a good idea?
Remove them.

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select id from table where somename in
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select id from table where somename in
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To avoid these complications, use the function
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select id from table where somename in
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Display distinct rows from Oracle table without using "DISTINCT" keyword.

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Hi all,
I need to execute sql queries using database controls , where the sql changes
at run time
based on some condition. For eg. based on the condition , I can add some where
condition.
Eg. sql = select id,name from emp where id = ?.
based on some condition , I can add the following condition .
and location = ?.
Have anybody had this kind of situation.
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Eddie
Dan Hayes wrote:
"Sathish Venkatesan" <[email protected]> wrote:
Hi Maruthi,
The parameter substituion , I guess is used like setting the values for
prepared
statements.
What I'm trying to do , is change the sql at run time based on some condition.
For example ,
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Hello, all
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Christian.

executeQuery() will never return null. At least that's what the spec says. You are probably catching an exception (probably a syntax error caused by a single quote in strComboBoxSeriesSelected) and ignoring it. Or do you mean the ResultSet contains no rows?
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requeteBedes.setString(1, strComboBoxSeriesSelected);
ResultSet resultatSeries = requeteBedes.executeQuery();Alin.

Presentation Vairable Problem when used in a Filter defined using SQL

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Odbc driver returned an error (SQLExecDirectW).
Error Details
Error Codes: OPR4ONWY:U9IM8TAC:OI2DL65P
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I have tried different syntax and reviewed few different online forms.
The best link regarding Presentation Variables seemed to be:
http://gerardnico.com/wiki/dat/obiee/presentation_variable
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Thanks Goran:
Just to clarify. When I'm creating the prompt, for
Operator: is equal to/ is in
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I still get the following error.
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Error Codes: YQCO4T56:OPR4ONWY:U9IM8TAC:OI2DL65P
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Thanks.

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Database error due to invalid SQL statement.
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SELECT cntr_list.SOURCE_BLOCK, cntr_list.END_BLOCK,
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              else 0 end ) as cntr20 ,
        sum(
         case when cntr_list.cntr_size_q = '40'
              then cntr_list.cntr_qty
              else 0 end ) as cntr40 ,
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FROM (
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    AND scn.status_c not in (1, 11)
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) cntr_list
GROUP BY cntr_list.SOURCE_BLOCK, cntr_list.END_BLOCK
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masterview.SourceBlock (1)->detailview.SourceBlock (*).
4. I create a tree table using these 2 view objects with master-detail relationship.
When I set default value for variable bindings of these 2 view objects and the matching records exist, tree table can work well. I can expand the master row to display detail row in UI.
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I am sure that I pass in correct parameter value for master/detail view objects and matching records exist.
Managed Bean:
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        vo1.executeQuery();
        System.out.println("after DetailView1Iterator vo1.getEstimatedRowCount()="+ vo1.getEstimatedRowCount());
5. What's wrong in my implementation? I don't have no problem to implement such a tree table if using simple master-detail tables view object, but now I have to use such 2 view objects using complex SQL for my requirement and variable bindings are necessary for detail view object although I also think a bit strange by myself.

Hi Frank,
Thank you and it can work.
public void setLowHighSalaryRangeForDetailEmployeesAccessorViewObject(Number lowSalary,
                                                                          Number highSalary) {
        Row r = getCurrentRow();
        if (r != null) {
            RowSet rs = (RowSet)r.getAttribute("EmpView");
            if (rs != null) {
                ViewObject accessorVO = rs.getViewObject();
                accessorVO.setNamedWhereClauseParam("LowSalary", lowSalary);
                accessorVO.setNamedWhereClauseParam("HighSalary", highSalary);
            executeQuery();
but I have a quesiton in this way. in code snippet, it is first getting current row of current master VO to determine if update variables value of detail VO. in my case, current row is possibly null after executeQuery() of master VO and I have to change current row manually like below.
any idea?
            DCIteratorBinding dc = (DCIteratorBinding)ADFUtil.evaluateEL("#{bindings.SSForecastSourceBlockView1Iterator}");
            ViewObject vo = dc.getViewObject();
            vo.ensureVariableManager().setVariableValue("DateFrom", dateFrom);
            vo.ensureVariableManager().setVariableValue("DateTo", dateTo);
            vo.ensureVariableManager().setVariableValue("ShiftModeCode", shiftModeC);
            vo.ensureVariableManager().setVariableValue("TerminalCode", terminalCode);
            vo.executeQuery();
            vo.setCurrentRowAtRangeIndex(0);
            ((SSForecastSourceBlockViewImpl)vo).synchornizeAccessorVOVariableValues();

Can I use Microsoft SQL Server Management Studio version 11.0 to write SQL queries for "SQL Server Compact 4.0 Local Database"

Hi, Can I use Microsoft SQL Server Management Studio version 11.0 to write SQL queries for "SQL Server Compact 4.0 Local Database" ?
When I use Connect Object Explorer, the "Connect to Server" dialog box which pops up has only 4 selections in the Server Type Drop Down List. They are Database Engine, Analysis Services, Reporting Services & Integration Services. I have read
somewhere that there should be a compact database option. but I do not see it.
What I would like to do is use free form SQL Queries against the tables in "SQL Server Compact 4.0 Local Database" .
Once I have validated these queries, then I will use them in my Visual Studio 2012 C#, ASP.NET application. I created the Local Database using Visual Studio 2012 for use by my application.
Thank you for your help..
diana4

Hello,
With SSMS 2005 we have had the Option to work with SQL CE database files, but not with higher Version of SSMS.
You can use the free SQL CE Toolbax instead; see
http://sqlcetoolbox.codeplex.com/
Olaf Helper
[ Blog] [ Xing] [ MVP]

Performing sql queries in java without using java libraries

i wonder whether its possible to perform sql queries beginning from create table to updating queries without using the java sql library.
has anyone written such code.

You could use JNI to talk to a native driver like the Oracle OCI driver. Doing this is either exiting or asking for trouble depending on your attitude to lots of low level bugs.

Retrieving SQL queries used in BO reports using BO Java SDKs

Hi,
Is it possible to retrieve SQL queries generated by Canned Reports? I have 200+ reports saved in my local system and i need to retrieve SQL queries from them, this is required for documentation purpose. Please let me know if it is possible thru BO java SDKs.

This is the code I am using to retrieve the SQL values.
IEnterpriseSession boEnterpriseSession = null;
              boEnterpriseSession = CrystalEnterprise.getSessionMgr().logon( boUser, boPassword, boCmsName, boAuthType);
               // Get the Report Application Factory service from Crystal Enterprise
               IReportAppFactory rptAppFactory = (IReportAppFactory)boEnterpriseSession.getService("", "RASReportService");
               // Get the InfoStore service from Crystal Enterprise
               IInfoStore boInfoStore = (IInfoStore)boEnterpriseSession.getService("", "InfoStore");
               // Retrieve the report by name from Crystal Enterprise
               IInfoObjects boInfoObjects = boInfoStore.query("Select SI_ID From CI_INFOOBJECTS Where SI_NAME = '" + reportName + "'");
               // Open the report into a Report Document object
               ReportClientDocument rcd = rptAppFactory.openDocument((IInfoObject)boInfoObjects.get(0), 0, Locale.ENGLISH);
               System.out.println("SQL query \n \n");
               System.out.println(rcd.getRowsetController().getSQLStatement(null, ""));
I am a newbie and I dont understand where the error lies.. Please help me out.
regards,
nitin
When run the code gives the following errors
com.crystaldecisions.sdk.occa.managedreports.ras.internal.ManagedRASException: Cannot open report document. --- 0x80004005
Unspecified error
cause:com.crystaldecisions.sdk.occa.report.lib.ReportSDKServerException: 0x80004005
Unspecified error---- Error code:-2147467259 Error code name:failed
detail: 0x80004005
Unspecified error
     at com.crystaldecisions.sdk.occa.managedreports.ras.internal.RASReportAppFactory.a(Unknown Source)
     at com.crystaldecisions.sdk.occa.managedreports.ras.internal.RASReportAppFactory.a(Unknown Source)
     at com.crystaldecisions.sdk.occa.managedreports.ras.internal.RASReportAppFactory.openDocument(Unknown Source)
     at com.crystaldecisions.sdk.occa.managedreports.ras.internal.RASReportAppFactory.openDocument(Unknown Source)
     at com.hcl.BO.retrieveSql.RetrieveSQL.main(RetrieveSQL.java:44)
Caused by: com.crystaldecisions.sdk.occa.report.lib.ReportSDKServerException: 0x80004005
Unspecified error---- Error code:-2147467259 Error code name:failed
     at com.crystaldecisions.sdk.occa.report.lib.ReportSDKServerException.throwReportSDKServerException(Unknown Source)
     at com.crystaldecisions.proxy.remoteagent.s.a(Unknown Source)
     at com.crystaldecisions.sdk.occa.report.application.ReportClientDocument.if(Unknown Source)
     at com.crystaldecisions.sdk.occa.report.application.ReportClientDocument.if(Unknown Source)
     at com.crystaldecisions.sdk.occa.report.application.ReportClientDocument.a(Unknown Source)
     at com.crystaldecisions.sdk.occa.report.application.ClientDocument.open(Unknown Source)
     ... 4 more
I am a newbie and

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