Help with a simple SQL statement??

table_a
a_col1
a_col2
a_col3
table_b
b_col1
b_col2
b_col3
SELECT * FROM TABLE_A
WHERE A_COL1 IS NOT NULL AND A_COL1 IN (SELECT A_COL1 FROM TABLE_B);
I don't know why this statement executes without errors? There is no a_col1 in table_b in the sub select.
In my real situation this query works and is actually pulling a_col1 in the sub select from the table in the main query.
If you pull the sub select out and try to run it by itself it will error.
If someone could explain what I'm missing in understanding this it would be appreciated.
Thanks,
Whitney

Because you aren't aliasing your tables, and Oracle is trying it's darndest to turn your query into something that can compile. You aren't explicitly telling it what you want, so it's left to guessing (it would guess TABLE_B first if the column existed, in absence of that, it's going to TABLE_A for the column).
A reason you should always alias your tables when your query references more than one, you remove the guess work.
SELECT *
FROM TABLE_A a
WHERE a.A_COL1 IS NOT NULL AND a.A_COL1 IN (SELECT b.A_COL1 FROM TABLE_B b);

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    line vty 0 4                                                                  
    password 7 09635B51485756475A5954                                            
    login                                                                        
    end                                                                           
    Show IP Interface Brief
    Casino#sh ip int brief                                                        
    Interface                  IP-Address      OK? Method Status                Prl
    FastEthernet0              unassigned      YES NVRAM  administratively down do
    FastEthernet1              unassigned      YES DHCP   up                    do
    BRI0                       unassigned      YES NVRAM  administratively down do
    BRI0:1                     unassigned      YES unset  administratively down do
    BRI0:2                     unassigned      YES unset  administratively down do
    FastEthernet2              unassigned      YES unset  up                    do
    FastEthernet3              unassigned      YES unset  up                    do
    FastEthernet4              unassigned      YES unset  up                    do
    FastEthernet5              unassigned      YES unset  up                    do
    FastEthernet6              unassigned      YES unset  up                    do
    FastEthernet7              unassigned      YES unset  up                    do
    FastEthernet8              unassigned      YES unset  up                    do
    FastEthernet9              unassigned      YES unset  up                    up
    Vlan1                      unassigned      YES NVRAM  up                    up
    Loopback0                  172.16.1.1      YES manual up                    up
    Dialer0                    unassigned      YES manual up                    up
    NVI0  
    'show version'
    Casino#sh ver                                                                 
    Cisco IOS Software, C181X Software (C181X-ADVIPSERVICESK9-M), Version 12.4(15))
    Technical Support: http://www.cisco.com/techsupport                           
    Copyright (c) 1986-2008 by Cisco Systems, Inc.                                
    Compiled Thu 24-Jan-08 13:05 by prod_rel_team                                 
    ROM: System Bootstrap, Version 12.3(8r)YH12, RELEASE SOFTWARE (fc1)           
    Casino uptime is 52 minutes                                                   
    System returned to ROM by reload at 17:09:25 UTC Fri Jul 1 2011               
    System image file is "flash:c181x-advipservicesk9-mz.124-15.T3.bin"           
    This product contains cryptographic features and is subject to United         
    States and local country laws governing import, export, transfer and          
    use. Delivery of Cisco cryptographic products does not imply                  
    third-party authority to import, export, distribute or use encryption.        
    Importers, exporters, distributors and users are responsible for              
    compliance with U.S. and local country laws. By using this product you        
    agree to comply with applicable laws and regulations. If you are unable       
    to comply with U.S. and local laws, return this product immediately.          
    A summary of U.S. laws governing Cisco cryptographic products may be found at:
    http://www.cisco.com/wwl/export/crypto/tool/stqrg.html                        
    If you require further assistance please contact us by sending email to       
    [email protected].                                                             
    Cisco 1812 (MPC8500) processor (revision 0x400) with 118784K/12288K bytes of m.
    Processor board ID FHK120622J3, with hardware revision 0000                   
    10 FastEthernet interfaces                                                    
    1 ISDN Basic Rate interface                                                   
    31488K bytes of ATA CompactFlash (Read/Write)                                 
    Configuration register is 0x2102  
    Thanks again for your help,
    Josh

  • Help with parsing an UPDATE statement

    I am stuck and need help! The teacher has not gone over parsing with us
    and it is not on his scheduled topics list. But, I am a person that likes to
    scope out and learn new things. For our final project, we have to allow
    updates, delete and inserts into the 5 main tables of the Premiere Products
    database. I have done everything except for the updates. I can achieve
    the updates of the entities by pretty much hardcoding them and that is
    okay by the teacher, but I want to learn about parsing because Barbara
    from this site mentioned this to me.
    This is what I was able to write and I am getting errors:
    CREATE OR REPLACE PROCEDURE updatecust_proc (
    v_cust_num IN customera.cust_num%TYPE,
    v_attributetoupdate VARCHAR2 ,
    v_updatedvalue VARCHAR2 )
    AS
    e_invalidcustnum_error EXCEPTION;
    BEGIN
    v_isvalidcustnum := iscust(v_cust_num);
    IF (v_isvalidcustnum = FALSE) THEN
    RAISE e_invalidcustnum_error;
    END IF;
    PARSE(
    'UPDATE customer
    SET' | | v_attributetoupdate | | '=' | | v_updatedvalue | |
    'WHERE cust_num =' | | v_cust_num
    END;
    EXCEPTION
    WHEN e_invalidcustnum_error THEN
    DBMS_OUTPUT.PUT_LINE('Cannot be updated. Invalid customer number');
    END;
    Any help would be useful. I went to the Oracle help site but their examples are a little too complicated for me to understand, plus, I am not using any C code.
    Thanks in advance!
    Bob

    Now we are getting somewhere. Identifier 'PARSE' must be declared.
    I again used the 'Search' link just above the forum posts and entered 'dbms_sql.parse' and got a short list of hits (as I suggested in my previous reply).
    There is one with Barbara's name on it. It shows exactly how to do what you are trying to do. In particular note her code:
    DBMS_SQL.PARSE
    (cursor_name,
    'UPDATE client SET '
    | | v_column
    | | ' = ' | | '''' | | v_new_data | | ''''
    | | ' WHERE account_id = '
    | | v_account_id,
    DBMS_SQL.NATIVE);
    Compare her PARSE statement to yours and you will see some major differences. The PARSE procedure is defined in the DBMS_SQL package and must be reference by DBMS_SQL.PARSE as Barbara shows.
    In addition to dynamic SQL using the DBMS_SQL package Oracle 8i also supports the EXEC IMMEDIATE statement.
    All of Oracle's documentation is available online via the 'Documentation' link on the left side of the OTN home page.
    The 'Supplied PL/SQL Packages Reference' has a chapter for each package (including DBMS_SQL) and describes the procedures/functions in the package and how to use them.
    The 'Application Developers Guide - Fundamentals' has chapters on 'processing SQL statements' and 'dynamic SQL' that go into some detail on performing dynamic sql.
    Yes, Barbara's code uses a CURSOR. The DBMS_SQl package requires it and so does your code. Almost all SQL uses a CURSOR either implicitly or explicitly.
    My comments are not, and were not, directed at you personally so I hope you don't take them that way.
    Your latest reply has a lot of useful information in it.
    1. 19/1 PLS-00201: identifier 'PARSE' must be declared. This is the explicit error message we need to help someone. We don't have to guess which error they are talking about. We can look it up in the MESSAGES manual if necessary. When someone says 'I get an error', or 'I get a PARSE error' we can only guess which error they are talking about.
    In your reply you state that you looked at Barbara's code, she uses a cursor and you don't need a cursor. That is very useful information to someone trying to help you because it tells us two things: you are trying to find the answer for yourself (a lot of people just want someone to write the code for them) and it shows that you haven't made the connection between Barbara's example (which shows EXACTLY what you need to do) and your own code.
    This is a public forum and I have found it useful to keep repeating certain suggestions.
    For whatever reason many people still do not seem to realize that:
    1. ALL of Oracle's documentation is available on-line via the 'Documentation' link on the left side of the OTN main page.
    2. You can purchase (for about $50) a CD-ROM that has all of the Oracle documentation on it in both PDF and HTML format.
    3. The 'search' link just above each discussion forum allows one to search any or all forums for topics, users, etc.
    The above resources should be used by everyone.
    Good luck!
    null

  • Please help with workflow inspired SQL

    Hi everyone, I need some help with a piece of sql I need to create. It will be used in a workflow scenario and is therefore a bit hairy and has some limitations. So here goes..
    I have 2 current tables that will be used in this query. The first is a table used as a supervisor cross reference, and the second will be used for signing authority, or approval authorization. In short...the first table will give you the supervisor for the particular employee or employee in the where clause. This tells us who to route to. The second table has the operators authority level. As an example.... 1, 2, 3, or 4. A 1 could signify that this supervisor can approve for up to $5,000, and a 4 could signify that this person can approve up to $250,000. thats the basic idea.
    So what I need to do in ONE statement is get the requestor's supervisor, and then check his/hers authority level for level 1, 2, 3 or 4. The authority level needed will be passed into the query, so I will have that as well as the requestor. And here is the hard part...... If no rows are returned (the supervisor does not have authority to approve) I need the query to apply the same logic to the next supervisor. In other words, the supervisor's supervisor. Every requestor will have a supervisor. Every supervisor will also have a supervisor....so it goes until we get to the CEO. So the query needs to keep going until it finds a row matching the signing authority.
    So the limitations are......this needs to happen in one SQL query, and this query can only return ONE field!
    Here are some creates and inserts to give you something to work with. Been suffering with this one for a few days so your help is GREATLY appreciated.
    Supervisor cross reference table
    CREATE TABLE PS_ROLEXLATOPR (ROLEUSER VARCHAR2(30) DEFAULT ' ' NOT
    NULL,
    DESCR VARCHAR2(30) DEFAULT ' ' NOT NULL,
    OPRID VARCHAR2(30) DEFAULT ' ' NOT NULL,
    EMAILID VARCHAR2(70) DEFAULT ' ' NOT NULL,
    FORMID VARCHAR2(70) DEFAULT ' ' NOT NULL,
    WORKLIST_USER_SW VARCHAR2(1) DEFAULT 'Y' NOT NULL,
    EMAIL_USER_SW VARCHAR2(1) DEFAULT 'Y' NOT NULL,
    FORMS_USER_SW VARCHAR2(1) DEFAULT 'Y' NOT NULL,
    EMPLID VARCHAR2(11) DEFAULT ' ' NOT NULL,
    ROLEUSER_ALT VARCHAR2(30) DEFAULT ' ' NOT NULL,
    ROLEUSER_SUPR VARCHAR2(30) DEFAULT ' ' NOT NULL,
    EFFDT_FROM DATE,
    EFFDT_TO DATE) TABLESPACE PTTBL STORAGE (INITIAL 40000 NEXT 100000
    MAXEXTENTS UNLIMITED PCTINCREASE 0) PCTFREE 10 PCTUSED 80
    INSERT INTO PS_ROLEXLATOPR
    DESCR,
    OPRID ,
    EMAILID ,
    FORMID ,
    WORKLIST_USER_SW ,
    EMAIL_USER_SW ,
    FORMS_USER_SW ,
    EMPLID ,
    ROLEUSER_ALT ,
    ROLEUSER_SUPR ,
    EFFDT_FROM
    VALUES
    DESCR,
    'ABC123',
    'XYZ123',
    Signing Authority table..
    CREATE TABLE PS_ZZ_WF_AUTHORITY (OPRID VARCHAR2(30) NOT NULL,
    EMPLID VARCHAR2(11) NOT NULL,
    EMAILID VARCHAR2(70) NOT NULL,
    ZZ_SIGN_AUTHORITY VARCHAR2(1) NOT NULL) TABLESPACE APLARGE STORAGE
    (INITIAL 40000 NEXT 100000 MAXEXTENTS UNLIMITED PCTINCREASE 0)
    PCTFREE 10 PCTUSED 80
    insert into PS_ZZ_WF_AUTHORITY
    OPRID,
    EMPLID,
    EMAILID,
    ZZ_SIGN_AUTHORITY
    Values
    'XYZ123',
    'Any_Email',
    '1'
    )

    Hi,
    Welcome to the forum!
    Thanks for posting the CREATE TABLE and INSERT statements; that's very helpful!
    Whenever you have a question, also post the results you want to get from the sample data your posted.
    Always say what version of Oracle you're suing.
    In the sample data you posted, I only see one row in each table. Does that really give a good picture of the problem? If the problem involves going up the chain of command 1, 2, 3 or more levels, then shouldn't you have a chain of at least 3 people to show the problem and test the results?
    I think what you need is CONNECT BY Query , which works on a table with a parent-child relationship. Given a parent, you can find that ow's children, the children's children, their children, and so on, however many generations there are.
    I don't think I can demonstrate this with your sample data, so I'll use the scott.emp table, whcih you should be able to query.
    The emp table contains a hierarcy of employees, including this data:
    NAME                 EMPNO        MGR        SAL JOB
    KING                  7839                  5000 PRESIDENT
       JONES              7566       7839       2975 MANAGER
          SCOTT           7788       7566       3000 ANALYST
             ADAMS        7876       7788       1100 CLERK
          FORD            7902       7566       3000 ANALYST
             SMITH        7369       7902        800 CLERK
       BLAKE              7698       7839       2850 MANAGER
          ALLEN           7499       7698       1600 SALESMAN
          WARD            7521       7698       1250 SALESMAN
          MARTIN          7654       7698       1250 SALESMAN
          TURNER          7844       7698       1500 SALESMAN
          JAMES           7900       7698        950 CLERK
       CLARK              7782       7839       2450 MANAGER
          MILLER          7934       7782       1300 CLERKThis show, among other things, that the employee with ename='KING' (empno=7839) has no boss.
    JONES (empno=7566) does have a boss (mgr=7839), namely KING.
    SCOTT (empno=7788) has a bos (mgr=7566), who is JONES.
    I got the results above using this CONNECT BY query:
    SELECT     LPAD ( ' '
              , 3 * (LEVEL - 1)
              ) || ename          AS name
    ,     empno
    ,     mgr
    ,     sal
    ,     job
    FROM     scott.emp
    START WITH     mgr     IS NULL
    CONNECT BY     mgr     = PRIOR empno
    ;This is an example of a Top-Down Query , where we start with a parent, then find its children, grandchildren, and so on.
    In your probelm, you want to do a Bottom-Up Query ; given a child, you want to see if its parent has a certain level of authority. If not, you need to look at that parent's parent, and keep going until to either reach someone with the right qualifications, or you reach the end of the chain of command.
    That's similar to this problem: given a set of employees in scott.emp (say, everyone with job='CLERK') we want to find their closest ancestor who has a sal of 3000 or more. Look at the data above: you can see that SMITH is a CLERK, and SMITH'S boss, FORD, has sal=3000, so we want a row of output that shows SMITH and FORD.
    For a different example, looks at MILLER. MILLER's boss, CLARK, only has sal=2450, so we need to look at CLARK's boss, KING.
    One way to do that in a CONNECT BY query is:
    SELECT     CONNECT_BY_ROOT ename     AS subordinate
    ,     ename
    ,     LEVEL - 1          AS steps_apart
    FROM     scott.emp
    WHERE     CONNECT_BY_ISLEAF     = 1
    START WITH     job       = 'CLERK'
    CONNECT BY     empno       = PRIOR mgr
         AND     PRIOR sal < 3000
    ;Output:
    SUBORDINAT ENAME      STEPS_APART
    SMITH      FORD                 1
    ADAMS      SCOTT                1
    JAMES      KING                 2
    MILLER     KING                 2You should be all set to write the query now.
    Just kidding. I'll bet there's a lot of stuff in this message that's new to you. It's all documented in the SQL Language manual:
    http://download.oracle.com/docs/cd/B28359_01/server.111/b28286/index.htm
    If you'd like help, post your version, a more complete set of sample data, and the results you want from that data.
    Explain, with specific examples, how you get the results you posted from the data you posted.
    Do as much of the query as you can, and post your code.

  • Help with a simple login servlet

    I appreciate any help and assistance you all can give. I'm in an Intro to Java class on Georgia State and have an issue with this servlet I'm building. We're developing a login system where we have an http form pass a studentid and pin number to a servlet, then the servlet will match those inputs against the result set from an access database query using sql. I keep getting an error that will be posted below and I can't see any reason why I'd be getting it. Again any help would be appreciated. Here's the info:
    import java.io.*;
    import java.util.*;
    import java.sql.*; // for JDBC
    import javax.servlet.*; // for Servlet
    import javax.servlet.http.*; // for HttpServlet
    public class StudentLogin extends HttpServlet {
    public void doGet(HttpServletRequest request,
    HttpServletResponse response)
    throws IOException, ServletException{
              //get parameters
                        String aStudentId = (String) request.getParameter("studentid");
              String aPin = (String) request.getParameter("pin");
              //define the data source
                        String url = "jdbc:odbc:CIS3270Project";
                        Connection con = null;
                        Statement stmt;
                        String query;
              ResultSet rs = null;
                        //exception handling
                        try {
                        //load the driver -throws ClassNotFoundException
                        Class.forName ("sun.jdbc.odbc.JdbcOdbcDriver");
                        catch (ClassNotFoundException cnfe) {
                        System.err.println (cnfe);
         try {
                        con = DriverManager.getConnection (url, "my-user", "my-passwd");
                        // create sql statement
                        stmt = con.createStatement ();
                        query = "SELECT * FROM STUDENT WHERE StudentID='" + aStudentId + "'";
                        // run the query
                        rs = stmt.executeQuery (query);
                        //get data from result set
                             rs.next();
                             String studentId = rs.getString("StudentID");
                             String pin = rs.getString("PIN");
                             System.out.println(studentId);
                             System.out.println(pin);
                   catch (SQLException ex) {
                        ex.printStackTrace();
    response.setContentType("text/html");
    PrintWriter out = response.getWriter();
              //compare form data to result set
    if(aPin.equals(pin)){
                   System.out.println("Login Successful");
              else{
                   System.out.println("Login Failed");
    The error is as follows:
    StudentLogin.java:58: cannot resolve symbol
    symbol : variable pin
    location: class StudentLogin
    if(aPin.equals(pin)){
    ^
    1 error
    I've declared pin and there should be no issue with it using it as an argument in this string comparison. Thanks for any light you can shed on this.
    -Matt

    Alright, I've broken up the code and made it more modular. Here's my code for my Authenticator class followed by the code in the servlet.
    import java.sql.*;
    import java.io.*;
    import java.util.*;
    public class Authenticator{
         //define the data source
         Connection con = null;
         Statement stmt;
         String query;
    ResultSet rs = null;
         public void loadDb(){
              try {
                   //load the driver -throws ClassNotFoundException
                   Class.forName ("sun.jdbc.odbc.JdbcOdbcDriver");
              catch (ClassNotFoundException cnfe) {
                   System.err.println (cnfe);
              try {
                   con = DriverManager.getConnection ("jdbc:odbc:CIS3270Project", "my-user", "my-passwd");
              catch (SQLException ex) {
                   ex.printStackTrace();
         public void queryDb(String aStudentId){
              try {
                   // create sql statement
                   stmt = con.createStatement ();
                   query = "SELECT * FROM STUDENT WHERE StudentID='" + aStudentId + "'";
                   // run the query
                   rs = stmt.executeQuery (query);
              catch (SQLException xe) {
                   xe.printStackTrace();
              try {
                   //get data from result set
                   rs.next();
                   String studentId = rs.getString("StudentId");
                   String pin = rs.getString("PIN");
              catch (SQLException x) {
                   x.printStackTrace();
         public void isValid(String aPin){
              if(pin.equals(aPin)){
                   System.out.println("Login Successful");
              else{
                   System.out.println("Login Failed");
    Here's the servlet:
    import java.io.*;
    import java.util.*;
    import java.sql.*; // for JDBC
    import javax.servlet.*; // for Servlet
    import javax.servlet.http.*; // for HttpServlet
    public class StudentLogin extends HttpServlet {
    public void doGet(HttpServletRequest request,
    HttpServletResponse response)
    throws IOException, ServletException{
    //get parameters
              String aStudentId = (String) request.getParameter("studentid");
    String aPin = (String) request.getParameter("pin");
         Authenticator a = new Authenticator();
         a.loadDb();
         a.queryDb(aStudentId);
         a.isValid(aPin);
    response.setContentType("text/html");
    PrintWriter out = response.getWriter();
    //bunch of HTML output shit goes here
    I keep getting an error of cannot resolve symbol in the isValid method. It can't resolve the variable 'pin' from the database query. Does try limit the scope of that variable to only inside that try statement? Thanks for any help you guys can give.

  • Need help with min max sql

    hi all, forgot i had a user name and password and haven't needed help for quite a bit since i didn't do sql for a while but now i'm back at reporting again...
    Here is a sample table as i remember it:
    Item     Date     Time     Time Frame     Duration     Duration Frame
    A     20100926     0     5     500     10
    A     20100926     600     10     500     30
    A     20100926     1500     12     100     30
    B     20100926     1800     28     200     40
    B     20100926     2200     6     150     70
    B     20100926     2600     15     600     60
    B     20100926     3600     30     200     70
    Results Set (expected):                         
    Item     Date     Time     Total Duration          
    A     20100926     0     1600:20     --basically max (time+duration) - min(time+duration)     
    B     20100926     1800     2000:00
    Sorry, but. I didnt put my sql statement as I wasn't planning on posting and left it at work, but, i've been looking on internet and people say to use min/max function and i've attenpted it with it works with just this table (without grouping). But as soon as i group it the values seem to mess up.
    Last i remembered it gave me:
    Item     Date     Time     Total Duration          
    A     20100926     0     1600:30     --basically max(time+duration) - min(time+duration)     
    B     20100926     1800     2000:70
    I think it's looking at max duration which is 30&70 and hence it retrurns those values in the result set. Is it because of the max function hence it's returning this value? any help is appreciated. thanks
    Edited by: stanleyho on Sep 30, 2010 4:44 PM

    Okay, here we go again, repost, hopefully okay this time:
    Hi Madhu, okay, just got to work: I am using TOAD and working in Oracle 10g. Here is my table structure and the query i use to try and get what I am looking for:
    There is one extra table but that is only used to link these two tables listed below so i didn't bother posting it.
    TABLE: TX_RECON_INSTANCE_VIEW
    ColumnName ColID DataType Null
    CHANNEL_CODE 3 VARCHAR2 (4 Char) N
    DURATION 8 NUMBER (10) N
    DURATION_FRAME 9 NUMBER (2) N
    REAL_TIME 6 NUMBER (10) N
    REAL_TIME_FRAME 7 NUMBER (2) N
    ITEM_ID 4 NUMBER Y
    TX_DATE 2 CHAR (8 Byte) N
    TX_ID 1 NUMBER (9) N
    TX_TYPE 13 VARCHAR2 (4 Char) N
    TABLE: TX_SCHEDULE
    ColumnName ColID PK Null DataType
    TX_TYPE 22 N VARCHAR2 (4 Char)
    TX_ID 1 1 N NUMBER (9)
    TX_DATE 2 N CHAR (8 Byte)
    SCHEDULE_TIME_FRAME 9 N NUMBER (2)
    SCHEDULE_TIME 8 N NUMBER (10)
    REAL_TIME 10 N NUMBER (10)
    DURATION_FRAME 13 N NUMBER (2)
    DURATION 12 N NUMBER (10)________________________________________
    And the data and results:
    TX_ID TX_DATE REAL_TIME REAL_TIME_FRAME DURATION DURATION_FRAME ITEM_ID AS RUN TIME AS RUN DURATION SCHEDULED TIME SCHEDULED DURATION SCHEDULE_TIME SCHEDULE_TIME_FRAME DURATION_1 DURATION_FRAME_1
    1651000 20100710 0 0 545 20 1234 00:00:00:00 00:09:05:20 00:00:00:00 00:09:05:20 0 0 545 20
    1752223 20100710 667 12 281 7 1234 00:11:07:12 00:04:41:07 00:11:07:10 00:04:41:07 667 10 281 7
    1846501 20100710 1071 13 335 9 1234 00:17:51:13 00:05:35:09 00:17:50:09 00:05:35:09 1070 9 335 9
    2001102 20100710 1525 6 249 14 1234 00:25:25:06 00:04:09:14 00:25:22:08 00:04:09:14 1522 8 249 14
    3246669 20100710 1800 0 586 2 1235 00:30:00:00 00:09:46:02 00:30:00:00 00:09:46:02 1800 0 586 2
    4456822 20100710 2492 16 276 5 1235 00:41:32:16 00:04:36:05 00:41:32:16 00:04:36:05 2492 16 276 5
    1253168 20100710 2890 15 222 17 1235 00:48:10:15 00:03:42:17 00:48:10:15 00:03:42:17 2890 15 222 17
    1112456 20100710 3277 18 297 0 1235 00:54:37:18 00:04:57:00 00:54:35:10 00:04:57:00 3275 10 297 0
    Grouped results set:
    TX_DATE ITEM_ID AS RUN TIME AS RUN DURATION SCHEDULED TIME SCHEDULED DURATION
    20100710 1234 00:00:00:00 00:29:34:20 00:00:00:00 00:29:31:20
    20100710 1235 00:30:00:00 00:29:34:17 00:30:00:00 00:29:32:17
    --> SCHEDULED DURATION "00:29:31:20" is not correct as it should be (00:25:22:08+00:04:09:14)-(00:00:00:00)=00:29:31:22
    --> see expected results below
    Expected results:
    TX_DATE ITEM_ID AS RUN TIME AS RUN DURATION SCHEDULED TIME SCHEDULED DURATION
    20100710 1234 00:00:00:00 00:29:34:20 00:00:00:00 00:29:31:22
    20100710 1235 00:30:00:00 00:29:34:18 00:30:00:00 00:29:34:10________________________________________
    And the query I am using:
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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                

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