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JDBC SQL QUERY PROBLEM

Tania Sen
Greenhorn

Joined: Feb 28, 2010
Posts: 8
I am making a student database
My database has columns as:
roll name stream year jan feb march april .... dec

now i take user input in a jsp page and pass to servlet ..I take month ,attendance, and roll as input..
my sql query in the servlet is


its not working ..it only works if i give the months name

..but the month is supplied by the user !!
Maneesh Godbole
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Joined: Jul 26, 2007
Posts: 9990
    
    7

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Campbell Ritchie
Sheriff

Joined: Oct 13, 2005
Posts: 36453
    
  15
And please avoid writing all in CAPITAL letters.
Jan Cumps
Bartender

Joined: Dec 20, 2006
Posts: 2476
    
    7

update attendance set ? =? where roll=?

Hi, you can't bind a column name. The first question mark is invalid.

Regards, Jan


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