How to find whether two times are over lapping or not using SQL?
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Determine Whether Two Date Ranges Overlap
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SQL distinct for 2 fields in a database
77921
Query to collect the recent TimeSampled row using inner joins in MS SQL
39682
Check if limit exists and its value
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How can I check if the current date/time is past a set date/time?
119315
Compare two time (hh:mm:ss) strings
104826
Determine Whether Integer Is Between Two Other Integers?
42807
How can I compare two dates in PHP?
158926
How do I find out whenever a value changes in a certain column?
69990
How to find gaps in sequential numbering in mysql?
110245
sql 'is not' (  ) is not working
26104
How do you count the number of occurrences of a certain substring in a SQL varchar?
114214
How do I find records that are not joined?
33333
Count if two criteria match while ignoring duplicates
151751
How to distinguish "two previous" from"previous two"?
90467
How to find out when an Oracle table was updated the last time
62016
Checking the difference between two dates