Haɓaka COUNT tambayoyi a ciki MySQL muhimmin aiki ne don inganta aikin bayanai. Ga wasu hanyoyi don cimma wannan:
Amfani INDEX
Tabbatar cewa kun ƙirƙiri fihirisa don filayen da aka yi amfani da su a cikin COUNT tambayar. Fihirisa suna taimakawa MySQL bincike da kirga bayanai cikin sauri.
Amfani COUNT() maimakon COUNT(column)
Lokacin da kawai kuna kula da jimlar adadin bayanai a cikin tebur, yi amfani COUNT() da maimakon COUNT(column). COUNT(*) yana ƙirga duk layuka a cikin tebur ba tare da la'akari da ƙimar takamaiman shafi ba, yana sa tambaya ta yi sauri.
Iyakance saitin sakamako
Idan kawai kuna buƙatar ƙirga bayanai a cikin takamaiman kewayon, yi la'akari da amfani da WHERE sashe don iyakance saitin sakamako na COUNT tambayar. Wannan yana taimaka wa tambayar yin sauri da sauri saboda ba dole ba ne a ƙidaya teburin duka.
Amfani subquery ko subtable
A wasu lokuta, yin amfani da subqueries ko ƙirƙirar subtables don aiwatar da lissafin da aka riga aka ƙidaya na iya taimakawa rage nauyi akan babbar COUNT tambaya.
Yi amfani da ƙwaƙwalwar ajiya cache
Sanya MySQL don amfani da ƙwaƙwalwar ajiya cache, wanda zai iya inganta aikin COUNT tambayoyin, musamman idan ana aiwatar da su akai-akai.
Yi la'akari da amfani APPROXIMATE COUNT
A cikin MySQL 8.0 da sababbin sigogin, zaku iya amfani da APPROXIMATE COUNT fasalin don aiwatar da ƙidayar ƙidayar da sauri don manyan teburi.
Duba tsarin aiwatarwa
Yi amfani EXPLAIN don duba tsarin aiwatar da COUNT tambayar kuma duba idan an yi amfani da fihirisa daidai kuma idan an inganta tambayar.
Ka tuna cewa tasirin waɗannan dabarun ingantawa na iya bambanta dangane da tsari da sikelin bayananku. Gwada da kimanta tasirin kowane haɓakawa kafin aiwatar da su a cikin yanayin samarwa.