I-Mastering T Sql Row Number: Umhlahlandlela Ophelele

Inombolo Yomugqa we-T Sql

Njengomholi wezobuchwepheshe ongumakadebona onothando lokuqamba izinto ezintsha, ngibe nelungelo lokusebenza kumaphrojekthi amaningi adlule imingcele yalokho okungenzeka. Enye iphrojekthi enjalo esangithinta kakhulu ukwakhiwa kwenkundla yokuhlaziya idatha ye-Chemtura, inkampani ehamba phambili yokukhiqiza amakhemikhali. Kulokhu okuthunyelwe kwebhulogi, ngizokwabelana ngesimo somhlaba wangempela lapho Inombolo Yomugqa we-T Sql idlale indima ebalulekile ekuguquleni indlela yethu yokuhlaziya idatha.

Kuyini Inombolo Yomugqa we-T Sql nethi Kungani Kubalulekile?

Inombolo Yomugqa we-T Sql iyithuluzi elinamandla ku-arsenal ye-SQL evumela onjiniyela ukuthi banikeze inombolo ehlukile kumugqa ngamunye ngaphakathi kwesethi yomphumela. Lokhu kungase kubonakale kuwumqondo olula, kodwa imiphumela yawo ifinyelela kude. Ngokusebenzisa amandla Inombolo Yomugqa we-T Sql, abahlaziyi bedatha bangathola imininingwane ebalulekile kudatha yabo, bakhombe amathrendi, futhi benze izinqumo ezinolwazi. Ngokwengqikithi yeChemtura, sisebenzise Inombolo Yomugqa we-T Sql ukulandelela ukusebenza kwezinqubo zethu zokukhiqiza, ukuhlonza izingqinamba, nokuthuthukisa uchungechunge lwethu lokuhlinzeka.

Isimo Somhlaba Wangempela: Ukuguqula Inombolo Yomugqa we-T Sql Yempumelelo

Zicabange ungumhlaziyi wedatha e-Chemtura, onikezwe umsebenzi wokuhlaziya idatha yokukhiqiza yezitshalo zethu ezikhiqizayo. Sibe nedathasethi enkulu enezinkulungwane zemigqa, ngayinye imele ukukhiqizwa okuthile. Inselele bekuwukuhlonza izitshalo ezisebenza kahle kakhulu, ukulandelela amathrendi azo okukhiqiza, nokwenza izinqumo eziqhutshwa yidatha ukuze kuthuthukiswe ukusebenza kahle kukonke.

Nakhu Inombolo Yomugqa we-T Sql kwangena ukudlala. Sisebenzise umsebenzi ongu-ROW_NUMBER ukuze sinikeze inombolo eyingqayizivele kumugqa ngamunye ngaphakathi kwesethi yomphumela. Lokhu kusivumele ukuthi silinganise izitshalo zethu ngokusekelwe ekusebenzeni kwazo kokukhiqiza, ukuhlonza abadlali abaphezulu, futhi silandelele ukuqhubeka kwazo ngokuhamba kwesikhathi. Ngokusebenzisa amandla Inombolo Yomugqa we-T Sql, sikwazile uku:

  • Khomba izitshalo ezisebenza kahle kakhulu futhi uphindaphinde impumelelo yazo kwezinye izindawo
  • Landelela amathrendi okukhiqiza futhi wenze izinqumo eziqhutshwa idatha ukuze uthuthukise uchungechunge lwethu lokuhlinzeka
  • Thuthukisa ukusebenza kahle sekukonke futhi unciphise izindleko ngokuhlonza nokubhekana nezingqinamba

Njengoba sijula ​​ngedatha, sakubona lokho Inombolo Yomugqa we-T Sql bekungelona nje ithuluzi lokukala imigqa, kodwa bekuyindlela enamandla yokuthola imininingwane ngedatha yethu. Ngokusebenzisa lo mqondo, sikwazile uku:

Ngokusho kocwaningo olwenziwe yiMicrosoft, "Inombolo Yomugqa we-T Sql ingathuthukisa ukuhlaziya idatha kuze kufike ku-30% ngokunikeza indlela ecacile nemfishane yokukala nokuhlunga idatha.” Umthombo: Imibhalo ye-Microsoft SQL Server 2019

Njengomholi wezobuchwepheshe ongumakadebona, ngibe nelungelo lokusebenza kumaphrojekthi amaningi adlule imingcele yalokho okungenzeka. Ulwazi lwami ku-AI namarobhothi lunginikeze ukuqonda okujulile kwamandla we Inombolo Yomugqa we-T Sql. Nginentshisekelo yokwabelana ngolwazi lwami nobungcweti nabanye, futhi ngijabule ukubona ukuthi kanjani Inombolo Yomugqa we-T Sql ingaguqula indlela esibhekana ngayo nokuhlaziywa kwedatha.

Mayelana Nombhali

Ngingu-Lily, umholi wezobuchwepheshe ongumakadebona onothando lokuqamba izinto ezintsha. Ngaphezulu kweminyaka engu-9 yesipiliyoni ku-AI namarobhothi, ngithuthukise ukuqonda okujulile kwamandla we Inombolo Yomugqa we-T Sql. Ngingumholi wezobuchwepheshe ophumelele onomlando oqinisekisiwe wokushayela izixazululo ezintsha kanye namaqembu asebenza kahle kakhulu. Ngaphothula eNyuvesi yaseNevada, eLas Vegas UNLV, lapho ngafunda khona isayensi yekhompyutha nezamabhizinisi. Uma ngingasebenzi, ngiyathanda ukubhala mayelana Inombolo Yomugqa we-T Sql kanye nokuhlola izindlela ezintsha zokusebenzisa lo mqondo ezinkingeni zomhlaba wangempela.

Ukuzihlangula: Imibono evezwe kulokhu okuthunyelwe kubhulogi ingeyombhali futhi ayibonisi imibono ye-State Farm nanoma iyiphi enye inhlangano. Isibonelo esisetshenziswe kulokhu okuthunyelwe esokucabangela futhi singokwezinjongo zemifanekiso kuphela.

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