Oprations and tables

[HMN47]

Hi guys!



I have 3 tables in my database.

How can i use oprations between my tables?

for example: I have 3 tables named "Input,Output and Available"
when i add for example "2 Hard-Disks" in Output, 2 of Hard-Disks deletes from Available Automaticly....

Thanks!

[RuralGuy]

Is this thread Solved or did you mark it in error? If solved, do you care to share the solution with others that read this forum for help?

[HMN47]

No this is my question!
but i couldn't find question title!!!

anyone can help me?