Mailinglisten-Archive |
Hallo, Michael Bonfert schrieb: > Laut http://www.mysql.com/doc/M/y/MySQL_indexes.html > > "If the use of the index would require MySQL to access more than 30 % of > the rows in the table. (In this case a table scan is probably much faster, > as this will require us to do much fewer seeks.) Note that if such a query > uses LIMIT to only retrieve part of the rows, MySQL will use an index > anyway, as it can much more quickly find the few rows to return in the > result. " > > müßte es mit Limit aber funktionieren. Stimmt. Jetzt bin ich auch ratlos. -- Stephan --- Infos zur Mailingliste, zur Teilnahme und zum An- und Abmelden unter -->> http://www.4t2.com/mysql
php::bar PHP Wiki - Listenarchive