Hi Dan,
"Dan Buettner" <[EMAIL PROTECTED]> writes:
> The answer is - "it depends".
>
Thanks for your suggestions.
> A multi-column index can be helpful for performance over single-column
> - or it can do you no good at all, depending on how you build it and
> how you use it.
>
> MySQL currently
Surendra -
The answer is - "it depends".
A multi-column index can be helpful for performance over single-column
- or it can do you no good at all, depending on how you build it and
how you use it.
MySQL currently uses (at most) one index per instance of a table per
query. This means that addin