Home Discussion Discuss: Mysql Time Difference Function

  • Login/Logout SystemNavdeep Khandelwal May 31, 2013 at 2:36 PM

    I am making a project of employee attandance ,which will run on one pc.when employees come/goes they login/logout into that system and we storing login/logout time .But I have a problem when a user Re-login into that system for same date a new row is created into database,but i want to prevent a user if he re-login in the system.I am using only jsp.Can you help me?

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