Ulawulo olusebenzayo lwe yolwazi Ingumba obalulekileyo kuyo nayiphi na inkampani exhomekeke kubukho kunye nokuchaneka kolwazi ekusebenzeni kwayo kwemihla ngemihla. Nangona kunjalo, asiyiyo yonke imibutho ekhululekile ekwenzeni iimpazamo, ngakumbi xa usebenzisa izixhobo ezifana Umphathi weSQLite ukulawula ugcino-lwazi lwakho. Kweli nqaku, siza kuhlolisisa ezinye zezona mpazamo zixhaphakileyo kulawulo yogcino-lwazi ngoMphathi weSQLite kunye nendlela yokuphepha kwabo ukuqinisekisa ukusebenza kakuhle kunye nokuthembeka kwakho database.
Ukuphathwa ngendlela engafanelekanga kwentengiselwano yedatabase
El ukuphathwa ngokungafanelekanga kweentengiselwano ngaphakathi kwisiseko sedatha yimpazamo eqhelekileyo enokuba nemiphumo emibi, njengokulahleka kwedatha okanye urhwaphilizo lwedatha. Oku kungenxa yokuba intengiselwano yiseti yemisebenzi ekufuneka yenziwe ngokupheleleyo okanye hayi kwaphela. Ukuba ukuthengiselana kuphazamisekile phakathi kokuphunyezwa kwayo, ezinye iinguqu zinokuthi zenziwe ngelixa abanye bengenayo, oku kunokukhokelela kwimeko engahambelaniyo kwisiseko sedatha.
Ekuphathweni ngokungafanelekanga kwentengiselwano, sinokufumana:
- Ukusetyenziswa ngokugqithisileyo kwe-COMMIT: Ukwenza imisebenzi emininzi ye-COMMMIT kwiSQLite kunokucothisa ukusebenza kwesiseko sedatha kuba iCOMMIT nganye ibandakanya ukubhala kwidiski.
- Iingxabano zokutshixa: Ukungaphumeleli ukutshixa ngokufanelekileyo iitafile ngexesha lentengiselwano kunokukhokelela kwiingxabano ukuba abasebenzisi abaninzi bazama ukufikelela okanye ukuguqula ulwazi olufanayo. ngexesha elinye.
- Ukungaziphathi kakuhle iimpazamo: Ukuba kukho impazamo ngexesha lentengiselwano kwaye ayiphathwa ngokuchanekileyo, inokubangela ukuba utshintsho lusetyenziswe ngokuyinxenye, luchaphazela imfezeko yedatha.
La eyona ndlela yokuphepha ezi ngxaki kukuqinisekisa ukuba uyayiqonda ngokupheleleyo indlela iintengiselwano zisebenza ngayo kwiSQLite kwaye uthathe amanyathelo okuphatha ngokuchanekileyo. Oku kunokubandakanya:
- Nciphisa inani lemisebenzi ye-COMMIT.
- Ukutshixa ngokufanelekileyo iitafile ngexesha lentengiselwano.
- Qalisa ukuphatha imposiso eyomeleleyo enokubuyisela umva intengiselwano ukuba kukho into engahambi kakuhle.
Khumbula ukuba ukuphathwa okuchanekileyo kweentengiselwano kubalulekile ukugcina ingqibelelo yedatha yakho.
Iimpazamo xa usenza kwaye ulawula izalathisi kuMphathi weSQLite
Enye yeempazamo eziqhelekileyo kwi yenza izalathisi kuMphathi weSQLite Kukunqongophala kokucwangciswa kwangaphambili kunye nolungelelwaniso. Ngaphambi kokuba uqale, kubalulekile ukuqonda ngokupheleleyo ubume besiseko sedatha kunye nendlela izalathisi ezinokuphucula ngayo ukusebenza kwayo. Qinisekisa ukuba ukhetha iikholamu ezichanekileyo kwisalathiso; Ngokufanelekileyo, kufuneka babe ngabo babandakanyekayo kwimibuzo yokukhangela rhoqo kunye nakwizitshixo eziphambili okanye zangaphandle. Nangona kunjalo, kubalulekile ukukhumbula ukuba ayizizo zonke iikholomu ezixhamlayo ekufakweni kwesalathiso, njengoko ukwenza oko ngokungeyomfuneko kunokunyusa ubungakanani bedatha kwaye kucothise ukufaka kunye nokuhlaziya imisebenzi.
Enye indawo yengxaki xa ujongana noMphathi weSQLite yi ulawulo lwesalathiso olungachanekanga xa sele yenziwe. Abaphuhlisi ngamanye amaxesha bayalibala ukuba izalathisi zifuna ukugcinwa kunye nokulungiswa ukuze zihlale zisebenza. Kuyimpazamo eqhelekileyo ukuba ungahlaziywa rhoqo kwaye ulungelelanise izalathisi, ngakumbi ukuba i-database inomthamo ophezulu wokufaka, ukucima okanye ukuguqulwa. Ukongeza, kukwabalulekile ukuba uqinisekise ukuba usebenzisa inguqulelo yamva nje yoMphathi weSQLite, njengoko iinguqulelo ezindala zinokuba nemida okanye iimpazamo ezingabhaqwanga ezichaphazela ukusebenza kwesalathiso.
Ukusilela okuqhelekileyo kulawulo lwemibuzo yeSQL kuMphathi weSQLite
Eyokuqala yeempazamo eziqhelekileyo kulawulo lwe SQL imibuzo kuMphathi weSQLite yi ukuchaneka kwesintaksi. I-SQL lulwimi lweprogram kwaye ngenxa yoko ifuna i-syntax echanekileyo ukuze isebenze ngokuchanekileyo. Ukuba imiyalelo yeSQLi ayilungiswanga kakuhle okanye ukuba imiba engundoqo enje ngeekoma, izibiyeli, okanye ucaphulo azikho, uMphathi weSQLite akazukwazi ukwenza isicelo. Ngokufanayo, ukuphunyezwa okungalunganga kweempawu ezikhethekileyo okanye ukudideka phakathi kweentlobo ezahlukeneyo zemiyalelo ye-SQL (efana ne-KHETHA, UKUHLAZIYA, INSERT, okanye DELETE) kunokubangela iimpazamo zombuzo.
Enye impazamo eqhelekileyo kuMphathi weSQLite inxulumene ne iingxaki zesalathiso. Enye yeenzuzo zoMphathi weSQLite kukukwazi ukulawula oovimba beenkcukacha ezinkulu nezintsonkothileyo. Nangona kunjalo, ukwenza oku ngokufanelekileyo, iitheyibhile zedathabheyisi kufuneka zifakwe ngokufanelekileyo. Ukuba azikho, uMphathi weSQLite unokuba neengxaki ekufumaneni idatha eceliweyo kunye nemibuzo ingathatha ixesha elide kunokuba ifanele ukuyiqhuba. Ukongezelela, kubalulekile ukukhumbula ukuba i-indexing ayisoloko isisisombululo kwiingxaki yokusebenza. Ngamanye amaxesha, inani eligqithisileyo lezalathisi lingacothisa ukufakwa kwedatha entsha kwisiseko sedatha.
Uqhawulo phakathi kwesakhiwo sesiseko sedatha kunye neemfuno zeshishini
Enye yeempazamo eziqhelekileyo kulawulo lwedatha data ngoMphathi weSQLite Kukunqongophala kongqamaniso phakathi kobume besiseko sedatha kunye neemfuno zeshishini. Xa iinkampani zingenzi uhlalutyo olufanelekileyo lweemfuno zabo zoshishino ngaphambi kokuyila i-database, zinokwenza izakhiwo zedatha ezingenamsebenzi, ezingasebenzi kakuhle, okanye, kwiimeko ezimbi kakhulu, ezingasebenziyo kwishishini. Kubalulekile ukuba ube nokuqonda ngokucokisekileyo iimfuno zeshishini ngaphambi kokuba uqalise ukuyila isiseko sedatha yakho.
- Isiseko sedatha esiyilwe kakubi: Uyilo lwedatha olubi lunokukhokelela kwiingxaki ezininzi, ezibandakanya ukusebenza kancinci, ukungachaneki kwedatha, kunye nobunzima bokubuyisela idatha kwimeko yokusilela kwenkqubo.
- Ukungaphumeleli ukuqwalasela iiMfuno zexesha elizayo: Xa iinkampani ziyila uvimba wazo wedatha ngaphandle kokuthathela ingqalelo ukukhula kwekamva kunye nokuvela kweshishini, zinokudibana nomthamo kunye nokusebenza umda kwixesha elizayo.
- Ukuqheleka okungalunganga: Ukwenziwa kwesiqhelo yinkqubo ingundoqo kuyilo lwedathabheyisi ukuphelisa ukungafuneki nokuphucula ukusebenza kakuhle. Nangona kunjalo, ukuqheleka okungachanekanga kunokukhokelela kubume bedatha engasebenziyo kunye nokulahleka kwemfezeko yedatha.
Ngakolunye uhlangothi, enye impazamo eqhelekileyo iluqeqesho olunganelanga kunye nolwazi lwabasebenzi abajongene nolawulo lwedatha, nto leyo enokukhokelela kwiimpazamo ekusetyenzisweni kwedatha kunye nokuphunyezwa kwemigaqo-nkqubo yokhuseleko olubi. Kubalulekile ukwenza utyalo-mali kuqeqesho lwarhoqo noluqhubekayo lwabasebenzi kubuchule bolawulo lwedathabheyisi yamva nje kunye neendlela ezingcono zokusebenza.
- Ukhuseleko lwedatha olunganelanga: Abaphathi bedatha kufuneka bazi kakuhle imigaqo-nkqubo yokhuseleko kunye nezenzo zokukhusela i-database kwizisongelo ze-cyber kunye nokuhlaselwa.
- Anelanga yokugcina kunye nokubuyiswa: Ngaphandle kwesicwangciso esifanelekileyo sokugcinwa kunye nokubuyisela, inkampani inokulahlekelwa yidatha ebalulekileyo kwimeko yokungaphumeleli kwenkqubo okanye iintlekele zendalo.
- Ukunqongophala kokugcinwa rhoqo: Iziko ledatha lifuna ukulungiswa rhoqo ukuqinisekisa ukusebenza nokusebenza kakuhle. Ukungabikho kolondolozo kunokukhokelela kwiingxaki zokusebenza kunye nokulahleka kwedatha.
NdinguSebastián Vidal, injineli yekhompyuter ethanda itekhnoloji kunye ne-DIY. Ngaphaya koko, ndingumdali we tecnobits.com, apho ndabelana ngee-tutorials ukwenza itekhnoloji ifikeleleke kwaye iqondeke kumntu wonke.