select statement base on user input
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Thread: select statement base on user input

  1. #1
    Join Date
    Oct 2000
    Posts
    250

    select statement base on user input

    Hi all,
    I have question about the sql statement to pass in the value into the where clause from the user input.


    For instance:
    in the user input screen, I have drop down box to select a value for a particular table. 10,20,30 and *
    for example : scott.dept table I have deptno 10,20,30

    if the user select '*', my sql satetment will 'intelligently' detect it needs all the 10,20,30 value for the deptno. If the user only select 10, it only select dept= 10, and so on.

    Question is how to put it into a single sql select statement with such condition ? or the application level has to auto convert the '*' to '10,20,30'....??

    Thanks...

  2. #2
    Join Date
    Oct 2000
    Posts
    250
    Ok! I got the solution from one of friend in Internet.

    select * from emp
    where deptno in (decode('&dept_value','*',10),
    decode('&dept_value','*',20),
    decode('&dept_value','*',30),'&dept_value');

    Enjoy!!

  3. #3
    Join Date
    Apr 2001
    Location
    indonesia
    Posts
    52
    U can try this simple sql

    select * from DEPT
    where (DEPT_CODE = &P_DEPT_CODE OR
    &P_DEPT_CODE = '*')

    Hope this can help u
    ching

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