Simple Select query but not arriving at results!

Hello All,
I have a table with primary key (antrag_nr, beladeflag, stempel)
Desc test88
Name Null? Type
ANTRAG_NR NOT NULL NUMBER
A_PROZESS NUMBER
STEMPEL NOT NULL DATE
BELADEFLAG NOT NULL VARCHAR2(1)
desc test99
Name Null? Type
ANTRAG_NR NOT NULL NUMBER
A_PROZESS NUMBER
STEMPEL NOT NULL DATE
BELADEFLAG NOT NULL VARCHAR2(1)
select * from test99;
ANTRAG_NR A_PROZESS STEMPEL B
2 4 05-JAN-05 m
1 6 07-JAN-05 m
1 7 08-JAN-05 m
1 8 09-JAN-05 m
2 5 06-JAN-05 m
select * from test88;
ANTRAG_NR A_PROZESS STEMPEL B
1 1 01-JAN-05 m
1 2 02-JAN-05 m
1 2 03-JAN-05 m
1 3 04-JAN-05 m
2 1 01-JAN-05 m
2 2 02-JAN-05 m
2 3 04-JAN-05 m
1 4 05-JAN-05 m
1 5 06-JAN-05 m
1 6 07-JAN-05 m
2 4 05-JAN-05 m
ANTRAG_NR A_PROZESS STEMPEL B
1 7 08-JAN-05 m
My query:
insert into test88
(select a.antrag_nr, a.a_prozess, a.stempel, a.beladeflag from test88 a, test99 b
where
a.antrag_nr = b.antrag_nr
and
a.a_prozess not in (select a_prozess from test99 where antrag_nr = a.antrag_nr)
and
a.stempel = ( select max(stempel) from test88));
what the query does is:
selects the highest value for the entire stempel column in table test88 and checks the condition a.antrag_nr = b.antrag_nr &a.a_prozess not in (select a_prozess from test99 where antrag_nr = a.antrag_nr)
but what I would like to have is
that it should check the max(stempel) for each antrag_nr in test88 & then insert.
For example when antrag_nr = 1 and then the max (stempel) in table test 88 => 08-jan-2005
Then it should check with the antrag_nr =2
and then max(stempel) in the table test88 => 05-JAN-05 and then insert the table test88 from the source table test99 & so on
according to my query it checks the highest values of stempel column 08-jan-2005 where antrag_nr=1
but it doesnt check for antrag_nr = 2 at all.
How can I arrive at such a result, Can anyone throw some insight..
Thanks in advance,
Karthik krishna.
-- Thanks to splazm for answering my previous post!

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------below given select query is NOT WORKINGWondering how you inserted data ...
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Sorry, didn't look close enough, here a corrected query you can try to run.
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hi gems...
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Edited by: user12780416 on Dec 12, 2011 11:08 PM

Hi;
Please see below thread
query takes too long ...
help in solving long run query
HOW TO: Post a SQL statement tuning request - template posting
Hope it helps
Regard
Helios

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RanVijai_dba wrote:
Thanks for your reply. But +"select count(*) from tsfhead"+ is hanging and +"select * from tsfhead where create_date = '26-OCT-12' "+ is showing records.It might be showing records, but not necessarily the correct records.
As sb points out, you are treating dates as strings rather than the DATE datatype. That means you could be querying the wrong data, and your query is also not safe in different environments. It could also effect the query execution plan. Also, as pointed out, you should be ideally using 4 digit years. There were many headaches caused by the use of 2 digit years that most companies corrected as part of the millenium bug fixes prior to the year 2000... well over a decade ago, and most good designs now ensure that 4 digit years are used as standard.
So your query would be better written as:
select * from tsfhead where create_date = TO_DATE('26-OCT-2012','DD-MON-YYYY')When you say:
select count(*) from tsfhead... is hanging, you say the table has around 59000 rows in it, and in reality that's a small amount of records, so a count(*) shouldn't take long at all, even doing a full table scan.
Post the explain plan for that simple count(*) query for us. (and ensure you use {noformat}{noformat} tags to keep the formatting on the forum, as described in {message:id=9360002})

Using parameters in a select query sometimes not working

I use parameters throughout my code - usually without problem, but for some reason in one case it does not return a result. When I modify the querystring to contain the value instead of using parameters it works. Is it because I'm secting a clob? or is it because I'm using a 9i ODP.net dll against a 10g database? this is c# 2.0
here's the source code that does not work for me - REQUEST_DATA is a clob:
    public String loadRequest(String PSRNumber)
        String returnVal = null;
        ConnectionStringSettings connectionInfo = System.Configuration.ConfigurationManager.ConnectionStrings["Scribe"];
        OracleConnection myConnection = new OracleConnection();
        String strSQL = "select PSR, REQUEST_DATA from stats.request where PSR = :PSR";
        try
            myConnection.ConnectionString = connectionInfo.ConnectionString;
            OracleCommand cmd = new OracleCommand(strSQL, myConnection);
            cmd.CommandType = CommandType.Text;
            cmd.Parameters.Add("PSR", OracleDbType.Varchar2).Value = PSRNumber;
            myConnection.Open();
            OracleDataReader dr = cmd.ExecuteReader();
            if (dr.Read())
                returnVal = dr.GetOracleString(dr.GetOrdinal("REQUEST_DATA")).ToString();
            else
                returnVal = null;
            dr.Dispose();
            cmd.Dispose();
        catch (OracleException ex)
            printError(ex.Message);
        finally
            myConnection.Close();
            myConnection.Dispose();
        return returnVal;
    }when I replace the line generating the sql, and remove the lines pertaining to parameters it works:
String strSQL = String.Format("select PSR, REQUEST_DATA from stats.request where PSR = {0}", PSRNumber);
I'm fine just using this as a workaround, but I need an explanation why the other does not work - I prefer to use parameters.
Message was edited by:
user633546

I figured it out. thank you for your help in pointing me in the right direction.
the problem was there was a trailing space in the data.
when the data for that table is numeric for every record, the query allows me to leave out the single quotes. Trailing spaces do not seem to cause the database to see it as non-numeric - leaving out the quote still finds the record even if there is a trailing space.
but when I put in the quote, it is not an exact string match, so it could not find the record. sometimes this flexibility gets me into trouble :\

Problem with SImple Select Query

Hi
I am trying to write a simple Select SQL to a table and find out whether certain data exist or not. I have done this before but now for some reason this one is not working.
I started like this
select single * from ANLH where ANLN1 = rec-Asset
                                             and BUKRS = Comp_Cd.
* Error Handler for non-existent empno in the database
if sy-subrc = 0 or rec-asset = ''.
     rec_failed = 'T'.
     concatenate 'Asset does not exist' rec-asset into asst_err.
endif.
when i debugged the code i found out that sy-subrc is returning 4 all the time. (i have passes some numbers in rec-Asset which i know doesn't exist in that table.
So i have modified the code to see if its pulling anything.
like this
select single ANLN1 into v_Asset from ANLH where ANLN1 = rec-Asset
                                             and BUKRS = Comp_Cd.
* Error Handler for non-existent empno in the database
if sy-subrc = 0 or rec-asset = ''.
     rec_failed = 'T'.
     concatenate 'Asset does not exist' rec-asset into asst_err.
endif.
in debug v_asset is always empty (for real number and for the madeup number)
Please help.
Thanks
Edited by: Anwarul Kabir on Apr 3, 2008 9:27 PM
Edited by: Anwarul Kabir on Apr 3, 2008 9:29 PM
Edited by: Anwarul Kabir on Apr 3, 2008 9:30 PM

Thanks for the answer. But i thought i was doing the same. Anyway I replaced my code with yours but result is the same. I also did this
select single
ANLN1 into v_Asset
from ANLH where
ANLN1 = '20000544'
and BUKRS = '3000'.
I did SE11 and entered the table name and i can see that data.
but on my code i get sy-subrc=4 and v_Asset is blank
again i tried with this madeup number which i know its not in the table
select single
ANLN1 into v_Asset
from ANLH where
ANLN1 = '2056555433544'
and BUKRS = '3000'.
Get sy-subrc=4 and v_Asset is blank...
Is there anything special about the Table?

Why this query does not show the result?

Why the query with the schema prefixed does not show the result and the query without schema display the correct results?
SQL> select data_object_id,object_type from dba_objects where object_name='HR'.'JOBS';
select data_object_id,object_type from dba_objects where object_name='HR'.'JOBS'
ERROR at line 1:
ORA-00933: SQL command not properly ended
SQL> select data_object_id,object_type from dba_objects where object_name='HR.JOBS';
no rows selected
SQL> select data_object_id, OWNER, object_type from dba_objects where object_name='JOBS';
DATA_OBJECT_ID     OWNER                          OBJECT_TYPE
69662              HR                                 TABLE
                   OE                                 SYNONYM
SQL> SELECT USER FROM DUAL;
USER
SYS

Hi,
the column object_name refers to a object_name which is 'JOBS', the column owner refers to the owner 'HR', the value isn't stored together, so you have to select the two columns. It is the same behaviour as every other table/view. Have a look at the values in the view DBA_OBJECTS.
Herald ten Dam
Superconsult.nl

My select query in not working

hi
this my select query
select * from J_1IEXCHDR where werks = 'DT*'
this is not working
i want result where werks like DT01, DT09 and many statting with DT
so plz tel me how to write for like .
thank

Hi,
>
Guptaprashant wrote:
> hi
>
> this my select query
>
> select * from J_1IEXCHDR where werks = 'DT*'
>
>
> this is not working
>
> i want result where werks like DT01, DT09 and many statting with DT
> so plz tel me how to write for like .
>
> thank
Use:-
select * from J_1IEXCHDR where werks like 'DT%'.
Regards,
Tarun

Simple Select query but not arriving at results!

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