Category "columnsorting"

MySQL Sort One Column Select 2nd Column Values Based on some Criteria

I have a table very similar to that below. I need to sort the end_time into ascending order and then select the start_time that are say within plus or minus 2

Sort multidimensional array by column value within a column

I have an array in PHP and I need to sort by a nested array inside of the array... Here is my array: Array ( [0] => Array ( [project_