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Simple Pivot Table to Count Unique Values
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Insert a 3rd column and in Cell C2 paste this formula
=IF(SUMPRODUCT(($A$2:$A2=A2)*($B$2:$B2=B2))>1,0,1)
and copy it down. Now create your pivot based on 1st and 3rd column. See snapshot
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First-time database design: am I overengineering? [closed]
... others on this question thus far pretty much cover it. Good job!
2 & 3) The performance hit you will take will largely be dependent on having and optimizing the right indexes for your particular queries / procedures and more importantly the volume of records. Unless you are talking about well...
How to place div side by side
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375
There are many ways to do what you're asking for:
Using CSS float property:
<div sty...
How to use 'cp' command to exclude a specific directory?
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edited Apr 24 '19 at 13:32
JorgeM
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answered Feb 9 '13 at 15:04
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Print content of JavaScript object? [duplicate]
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322
If you are using Firefox, alert(object.toSource()) should suffice for simple debugging purpose...
How to set warning level in CMake?
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mloskotmloskot
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How can I convert ereg expressions to preg in PHP?
Since POSIX regular expressions (ereg) are deprecated since PHP 5.3.0, I'd like to know an easy way to convert the old expressions to PCRE (Perl Compatible Regular Expressions) (preg) .
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How to avoid the need to specify the WSDL location in a CXF or JAX-WS generated webservice client?
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DaveyDaveDave
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answered Mar 26 '12 at 16:10
KyleKyle
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When should I use a struct instead of a class?
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Jordan S. Jones
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answered Sep 17 '08 at 17:34
OwenPOwenP
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