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> Hi, I woud like to ask for help with sql select.
> I have table -> visitor, arrival, departure. (Time is in timestamp
> in sec. from 1970) I need select top of concurrently present
> visitors, between 00.00 and 29.59. So my boss want know when was
> shop most full and how man
Hi, I woud like to ask for help with sql select.
I have table -> visitor, arrival, departure. (Time is in timestamp
in sec. from 1970) I need select top of concurrently present
visitors, between 00.00 and 29.59. So my boss want know when was
shop most full and how many wisitors was there. May be o
