Mysql Hour Difference. The way it works is you provide the two values to compare and timediff subtracts the second value from the first then returns the result as a time value. The syntax goes like this.
The syntax goes like this. Time1 and time2 should be in the same format and the calculation is time1 time2. Timediff function mysql timediff returns the differences between two time or datetime expressions.
Furthermore as you can see from the above two examples when looking for the difference in two datetime expressions the mysql datediff hours is not a reliable solution.
It is to be noted that two expressions must be the same type. Once again you can use the timestampdiff function to get the job done. The way it works is you provide the two values to compare and timediff subtracts the second value from the first then returns the result as a time value. Select timestampdiff hours 2023 09 20 12 30 15 2023 09 01 10 15 00 as difference.
