Hi i have table with 2 field: date_start, date_end
How can I check through a query whether there is such period.
for example in DB date_start - 2018-02-06, date_end - 2018-02-10
date for check 2018-02-07 to 2018-02-13
or 2018-02-03 to 2018-02-07
the request should show an error that the period is already taken
via Chebli Mohamed
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