MySQL Forums
Forum List  »  German

Re: SELECT JOIN Abfrage viel zu langsam
Posted by: Torsten Egeler
Date: March 21, 2011 03:10AM

Die Abfragegeschwindigkeit betrÃĪgt jetzt 0,5 sec.

Entscheident wird die Angabe von "rows" sein, oder ?

table				type	possible_keys		key			ref							rows	Extra
projekte			ALL	PRIMARY,idx_aktiv_name											24	Using where;
																			Using temporary;
																			Using filesort
vorgaenge			ref	idx_proj_calcnr_id,	idx_proj_calcnr_id	zikula.projekte.projekt_id				22	Using where
					idx_erl_anf_end_id
aufgaben			ref	idx_vorg_aufg_lfdnr	idx_vorg_aufg_lfdnr	zikula.vorgaenge.vorgang_id				42	
vorgang_ressourcen_gruppen	ref	idx_vorg_gruppe		idx_vorg_gruppe		zikula.vorgaenge.vorgang_id				2	Using index
ressourcen_gruppen_mitglieder	ref	idx_proj_res		idx_proj_res		zikula.projekte.projekt_id				17	
ressourcen			eq_ref	PRIMARY			PRIMARY			zikula.ressourcen_gruppen_mitglieder.ressource_id	1	

Options: ReplyQuote


Subject
Views
Written By
Posted
Re: SELECT JOIN Abfrage viel zu langsam
1584
March 21, 2011 03:10AM


Sorry, you can't reply to this topic. It has been closed.

Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily represent the opinion of Oracle or any other party.