Other Ways  for SubQuery...

Hi
Please suggest i want to Use other way for Sub-Query for Performence Tunning Point of View. I am Useing Oracle 10g R2
Thanks In Advance...

Thank you for not posting the same question again in two forums... ;)
other option for SubQuery...

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  • Other option for SubQuery...

    Hi All
    I want to Use other option for Subquery for Performance Tunning. Any Other way for this?
    Thanx in Advance

    < i don't want to Join >
    You don't want to use subqueries, and you don't want to join. That limits your options as inline views and subquery factoring are both variants on subqueries.
    You can go farther afield and look at the set operators which can sometimes simulate joins and subqueries but don't usually help performance, or write inline/pipelined functions as alternate ways to get the data but these are all but guranteed to decrease performance and involve a lot of extra work besides.

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    Ellen

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    To get a reference to the page you're working on (or that holds an object you want to manipulate), you could use app.activeWindow.activePage.id or app.layoutWindows[0].activePage.id.
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    My question is: are there other reliable (perhaps more simple) ways to get a reference to the page?

    Right. I should have posted the question sooner, because shortly after I found the answer I've been looking for quite long. And once again it's so simple. Nevertheless it might be usefull to share.
    For most page items like textframes and rectangles you can simpy use the property parentPage. For instance, if you have selected a rectangle you get a reference to the page with code like:
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    WMP0 has plenty of music stores on it here in the UK. Maybe your local version has some too.
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  • Is any other way for this problem

    <jsp:useBean id="obj" class="DBConnection.DbBean" scope="application"/>
    <%@ page import="java.sql.*" %>
    <%! ResultSet rs;%>
    <%
    rs=obj.getItemRs();
    int cnameindex=0;
    int pnameindex=0;
    String cname=request.getParameter("cname");
    String load="no";
    String C1nameIndex = request.getParameter("cnameIndx");
    if(C1nameIndex == null || C1nameIndex.equals(""))
    else
        cnameindex = Integer.parseInt(C1nameIndex);
    String P1nameIndex = request.getParameter("pnameIndx");
          String pname=request.getParameter("pname");
          if(P1nameIndex == null || P1nameIndex.equals(""))
         else
                    pnameindex = Integer.parseInt(P1nameIndex);
              // out.print(pname);
         out.println(pnameindex);
    %>
    <HTML><head><title>Product Details</title></head>
    <body   bgcolor="#99CCFF">
    <form name="f1" method="POST" action="">
       <p align="center">
       <%String user=(String)session.getAttribute("username");%>
      <marquee> <font size="5" color="green"><b>  Abc Electronics Welcomes <%=user%></b></font> </marquee><br>
       <b><font size="5">Products Details</font></b></p>
       </p>
       <input type="hidden" name="cnameIndx" value="<%=cnameindex%>" size="20">
       <input type="hidden" name="pnameIndx" value="<%=pnameindex%>" size="20">
      <table border="0" cellpadding="5" cellspacing="5" style="border-collapse: collapse" bordercolor="#FFFFFF" width="100%" id="AutoNumber1" bgcolor="#99CCFF">
        <tr>
          <td width="50%">
           </td>
        </tr>
      </table>
       <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#FFFFFF" width="100%" id="AutoNumber2" bgcolor="#99CCFF">
         <tr>
           <td width="50%">
           <p align="center"><b>Company Name :</b>     
           <select size="1" name="cname" onchange="
           document.f1.pnameIndx.value=0;
           document.f1.cnameIndx.value=document.f1.cname.selectedIndex;
           document.f1.action='';
           document.f1.submit();
           ">
           <option >Select The Company </option>
           <%
           int x=1;
           while(rs.next())
           %>
           <option
           <%
           if(cnameindex==x)
           %>
            selected
            <%
            %>
            ><%=rs.getString(1)%></option>
           <%
             x++;
           %>
           </select></td>
           <td width="50%">
           <p align="center">
            <b>Product Name</b> :             
            <select size="1" name="pname" onchange="
              document.f1.pnameIndx.value=document.f1.pname.selectedIndex;
              document.f1.action='';
              document.f1.submit();
           " >
            <option >Select The Product </option>
            <%
            int y=1;
            rs=obj.SetCompanyNameRs(cname);
            while(rs.next())
            %>
            <option
                 <%
           if(pnameindex==y)
           %>
            selected
            <%
            %>
         > <%=rs.getString(1)%></option>
         <%
             y++;
            %>
            </select></td>
         </tr>
       </table>
       <% int z=0;
                 if( cnameindex > 0 && pnameindex > 0 )
             { z++;
             rs=obj.getProductNameRs(cname , pname );
       %>
           <center>
          <table cellspacing="9" cellpadding="9" border="1" bordercolor="#FFFFFF" bgcolor="#99CCFF" style="border-collapse: collapse" bordercolordark="#000000" height="116" width="888">
           <tr>
           <td height="17" width="133"><b><center> Company Name</b></center></td>
           <td height="17" width="186"><b><center> Product Name</b></center></td>
           <td height="17" width="160"><b><center> Item No.</b></center></td>
           <td height="17" width="137"><b><center> Cost</b></center></td>
           <td height="17" width="176"><b><center> Model No.</b></center></td>
            </tr>
           <%
               while(rs.next())
            %><tr>
            <%
            String productid="";
             for(int a=1; a<=5;a++)
               String temp=rs.getString(a);
               if(a==3)
               productid=temp;
                    %>
               <td height="18" width="133"><%=temp%> </td>
             <%
               %>
               <td height="18" width="186"><input type="checkbox" value="<%=productid%>" name="z<%=productid%>"></td>
           <%
             %>
             </tr>
             <%
             %>
      </tr>
      <tr>
      <td height="27" width="133">
      <%
      if(z==1)
      {%>
      <input type=button value="Order " onclick="
      document.f1.action='OrderDetails';
      document.f1.submit();
       <%}
       else
       %>
      </td>
      </center>
       </table>
    </form>

    package DBConnection;
    import java.sql.*;
    public class DbBean
         Statement stmt=null;
         public void DataBaseConnection()
              try
                   Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
                   Connection conn=DriverManager.getConnection("jdbc:odbc:Login","scott","tiger");
                   stmt=conn.createStatement();
              catch(Exception e)
                   System.out.println(e);
         public ResultSet getItemRs()
              ResultSet rs=null;
              try
                   DataBaseConnection();
                   rs=stmt.executeQuery("select DISTINCT cname from Items");
                   System.out.println("hai da");
              catch(Exception e)
                   System.out.println(e);
                   return rs;
              public ResultSet SetCompanyNameRs(String cname )
              ResultSet rs=null;
              try
                   DataBaseConnection();
                   rs=stmt.executeQuery("select DISTINCT pname from Items where cname='"+cname+"'");
              catch(Exception e)
                   System.out.println(e);
              return rs;
         public ResultSet getProductNameRs(String cname ,String pname)
              ResultSet rs=null;
              try
                   Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
                   Connection conn=DriverManager.getConnection("jdbc:odbc:Login","scott","tiger");
                   Statement stmt=conn.createStatement();
                   rs=stmt.executeQuery("select * from ItemDetails where cname='"+cname+"' and pname='"+pname+"'");
              catch(Exception e)
                   System.out.println(e);
              return rs;
         public ResultSet getOrderedItemRs(String u)
              ResultSet rs=null;
              try
              {   System.out.println(u);
                   DataBaseConnection();
                   if(u.equals("Admin"))
                   rs=stmt.executeQuery("select * from OrderDetail ");
                   else
                   rs=stmt.executeQuery("select * from OrderDetail  where Cust_name='"+u+"'");
              catch(Exception e)
                   System.out.println(e);
              return rs;
      

  • I have a Mac OSX version 10.75 with just one Thunderbolt port. and it has been my Thunderbolt port to connect with Blackmagic wear my intensity. and I no longer can use the port for mini-DVI adapter to connect with me. I do not want to ask any other way f

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  • Hi, I have lost my iphone but i have its backup in itunes, how can i restore my contact/sms using itunes or is there any other way, please help

    Hi, I have lost my iphone but i have its backup in itunes, how can i restore using itunes or is there any other way for this
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    I have one apple ID for multiple devices in my family.  I'd like to keep it that way for itunes/app purchases.  I would like a simple step 1, step 2, step 3 response on what I need to do to separate all other features like imessage, contacts, emails, etc.
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    We do this in my family now.  We have one account for purchases, so it is used to share music and apps (I think that is in Settings/iTunes & App Stores).  Each iDevice has this configured.
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    Message was edited by: Michael Pardee

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    Hey there thaovy309,
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