On Thu, Jun 6, 2013 at 10:52 AM, Gabriel Corneanu <[email protected] > wrote:
> Strange is, count(*) uses the cover index for a but "select count(a)" does > NOT use the same cover index... > count(a) has to check for NULL values of a, which are not counted. count(*) does not. -- D. Richard Hipp [email protected] _______________________________________________ sqlite-users mailing list [email protected] http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
