comparing list of computer name

[step8876]

I am getting a list of computer names every 8 hours, I am trying to find a way to when computers are added or removed

[TABLE="width: 510"]
<colgroup><col><col><col><col><col></colgroup><tbody>[TR]
[TD]Computer name [/TD]
[TD]timestamp[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]computer1[/TD]
[TD="align: right"]1/18/19 6:10[/TD]
[TD][/TD]
[TD="align: right"]1/18/19 6:10[/TD]
[TD="align: right"]3[/TD]
[/TR]
[TR]
[TD]computer2[/TD]
[TD="align: right"]1/18/19 6:10[/TD]
[TD][/TD]
[TD="align: right"]1/18/19 14:10[/TD]
[TD="align: right"]3[/TD]
[/TR]
[TR]
[TD]computer3[/TD]
[TD="align: right"]1/18/19 6:10[/TD]
[TD][/TD]
[TD]

[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]computer2[/TD]
[TD="align: right"]1/18/19 14:10[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]computer 3[/TD]
[TD="align: right"]1/18/19 14:10[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]computer4[/TD]
[TD="align: right"]1/18/19 14:10[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
</tbody>[/TABLE]

I can get the total for each for date.
looking for a way to compare the list from 6:10 to the list from 14:10 and output if how many new and how many removed

 

[ranman256]

Microsoft Access can do this in a simple query.