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How can I know how many same orderno is shown in rows sequentially?

From: deneb <cygdeneb_at_yonsei.ac.kr>
Date: Sun, 07 Oct 2007 19:26:52 -0700
Message-ID: <1191810412.702056.196540@50g2000hsm.googlegroups.com> 





hi there,



I have a table that has below columns and rows.



                DAY         SEQ         ORDERNO


-----------------------------------------------------------------

        20071002        1       LM001
        20071002        2       LM001
        20071002        3       LM003
        20071002        4       LM003
        20071002        5       LM005
        20071002        6       LM001
        20071002        7       LM002
        20071002        8       LM002
        20071002        9       LM002
        20071002        10      LM001
        20071002        11      LM001
        20071002        12      LM004
        20071002        13      LM004






How can I get a datas like this ?




ORDERNO    COUNT




LM001          2
LM003          2
LM005          1
LM001          1
LM002          3
LM001          2
LM004          2






That is, how can I know how many same orderno is shown in rows
sequentially?


I'm using oracle 9i. PL-SQL statements could be used.
Received on Sun Oct 07 2007 - 21:26:52 CDT












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