How Do I Create Time Slot

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AOA!
I am creating timetable. My question is that how do i create a how do i create a time slot for this .when one slot for the same teacher or class then we assign another slot and busy slot show a message that " slot is busy"

Posted 17-Mar-14 0:45am

Aisha Ali khan

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Dinesh.V.Kumar 17-Mar-14 7:19am

Hi,
Before assigning the slot check if for the particular teacher has already been assigned to the slot or not. Write a select query
Select Count(ID) from <table> where Teacher_Id=<teacher_id> and slot_Id=<slot_id>
If the count is 1 or more, then show "Slot is busy" message if the count is 0 then assign the slot to the teacher using the update statement.

Hope this helps!!!

Regards

Aisha Ali khan 17-Mar-14 7:47am

ok Thanks

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Peter Leow · Answer 1 · 2014-03-17T01:30:00

It is not that simple. Timetabling problems belong to the field of optimization which typically deals with multiple constraints and many possible solutions. I suggest you take the constraint programming approach. Read more:
1. Constraint programming approach for school timetabling[^]
2. Interactively solving school timetabling problems
using extensions of constraint programming[^]