I'm setting a flag on my records to see which ones have already been processed by my import script, and am wondering what type of index I should use. My thought is to use NOTUNIQUE_HASH_INDEX
. Is that best?
Depends by what you need. All *_HASH_INDEX types are super fast but don't allow range queries like:
select from Invoice where date between '2014-01-01 00:00:00.000' and
'2014-12-31 00:00:00.000'
While classic index (sb-tree) can do it. About UNIQUE and NOT-UNIQUE depends if you can have duplication against the indexed fields. Like RDBMS.
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