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Need Help In Query .

  • September 11, 2012 at 11:52 pm

    #263962

    Could you please help me find records described as per below scenario.

    Campus

    code,address,CampusID(PK)

    Data:-

    DEL,ABC,1

    CHN,DDJ,2

    MUM,PQR,3

    BNG,WRT,4

    PUN,BNM,5

    Enroll

    StudId,CampusID,EnrollDate,LstAttendDate,Enrolid(PK)

    1,2,15-06-2012,NULL,1001

    1,5,31-05-2011,31-05-201,1002

    ChangeStatus

    StudId,Enrolid,NewStatId,PrevStatId,ChangeID(PK)

    1,1001,1,0,5001

    1,1001,2,1,5002

    1,1001,3,2,5003

    StatusMast

    StatId Description

    1,Active

    2,Present

    3,External etc.

    In the above table resticted StatId are below.7,9,11,13 and 15.and rest are Active status.

    Studunt can change campus or course any time.(course refers Enrolid).

    Now i want to fetch studunt's old campus and new campus (Refer Campus Table) on below conditions.

    1) students who went Active at Transferred From Campus before or after any of the restricted Statuses listed above in StatusMast table(i.e.StatId are - 7,9,11,13 and 15)

    2)students who had an Active status at any time before or after any of the restricted Statuses at the Transferred To Campus

    3)Students who’s Previous Status was Active and the corresponding New Status is in the restricted Status list at either the Transferred From Campus or the Transferred To Campus

    Thanks

    Abhas.

  • September 12, 2012 at 3:15 am

    #1536610

    Looks like homework to me...

    What have you tried so far?

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  • September 12, 2012 at 10:55 pm

    #1537015

    Thanks CELKO.

    I will try this one.

    Thanks

    Abhas

  • September 17, 2012 at 2:31 am

    #1538441

    Still not tried anything as busy on other task.

    If u have any idea in the mind then pls share.

  • September 17, 2012 at 2:47 am

    #1538444

    abhas (9/17/2012)

    Still not tried anything as busy on other task.

    If u have any idea in the mind then pls share.

    It's a simple assignment. What have you tried so far?

    “Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw

    For fast, accurate and documented assistance in answering your questions, please read this article.
    Understanding and using APPLY, (I) and (II) Paul White
    Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

  • September 18, 2012 at 12:16 am

    #1538906

    Hi Chris,

    I tried using CTE but not able to do.

  • September 18, 2012 at 12:51 am

    #1538913

    abhas (9/18/2012)

    Hi Chris,

    I tried using CTE but not able to do.

    Please post your query.

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  • September 18, 2012 at 2:13 am

    #1538942

    abhas (9/18/2012)

    Hi Chris,

    I tried using CTE but not able to do.

    No problem - post what you have, we'll help you make it work.

    “Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw

    For fast, accurate and documented assistance in answering your questions, please read this article.
    Understanding and using APPLY, (I) and (II) Paul White
    Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

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