It's bad.when query by age or gender or job post,bitmap index will be useful.
在 2013年7月26日星期五UTC+8下午4时26分54秒，Noel Grandin写道： > > No. > What do you need them for? > > On 2013-07-26 10:17, pittlu wrote: > > bitmap indexes is very useful. > > -- You received this message because you are subscribed to the Google Groups "H2 Database" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/h2-database. For more options, visit https://groups.google.com/groups/opt_out.
