Ungaqapha kanjani ukusetshenziswa kwememori ku-Oracle Database Express Edition?

Ungakuqapha kanjani⁤ ukusetshenziswa kwememori ku-Oracle Uhlelo lwe-Database Express?

Kusizindalwazi se-Oracle, ukusetshenziswa kahle kwenkumbulo kubalulekile ukuze kuqinisekiswe ukusebenza kwesistimu okuphelele. Imemori ku-Oracle isetshenziselwa ukugcina idatha ⁣cache,⁤ ukusebenzisa imibuzo, nokugcina ubuqotho ⁤ basesizindalwazi. Ngakho-ke, kubalulekile ⁢kuqaphe ngokucophelela ukusetshenziswa kwenkumbulo ukuze uhlonze izingqinamba ezingaba khona noma izinkinga zokusebenza. Kulesi sihloko, sizohlola amasu namathuluzi ahlukahlukene okuqapha⁢ nokuhlaziya ukusetshenziswa kwenkumbulo. ku-Oracle Database Express Edition.

1. Ukusebenzisa iMemory Manager ye-Oracle: Uhlelo lwe-Oracle Database Express ihlanganisa ithuluzi elibizwa ngokuthi “I-Oracle Memory Manager” elikuvumela ukuthi ulawule futhi ugade ukusetshenziswa kwenkumbulo Leli thuluzi linikeza ulwazi oluningiliziwe mayelana nokusetshenziswa kwenkumbulo yizingxenye ezihlukahlukene zesizindalwazi, njengenqolobane yedatha, inqolobane yemiyalelo kanye nenqolobane okwabelwana ngayo. Ngokusebenzisa Umphathi Wememori Ye-Oracle, singakwazi ukubona ukuthi yiziphi izifunda zenkumbulo ezisebenzisa izinsiza eziningi futhi sithathe izinyathelo zokuthuthukisa ukusetshenziswa kwazo.

2. Ilungiselela I-Oracle Activity Monitor: I-Activity Monitor I-Oracle iyithuluzi lesizindalwazi elakhelwe ngaphakathi elinikeza ukubuka konke kokusebenza nokusetshenziswa kwezinsiza. ngesikhathi sangempela. Leli thuluzi⁢ likuvumela ukuthi ugade ukusetshenziswa kwememori, kanye nezinye izinsiza ezifana ne-CPU, I/O, kanye ⁤nenethiwekhi. Ngokulungiselela i-Oracle Activity Monitor ukuze sibonise amamethrikhi ahlobene nenkumbulo, singathola ukubuka okuningiliziwe kokuthi inkumbulo isetshenziswa kanjani kulo lonke ibhodi. isikhathi sangempela futhi uthole noma yiziphi izinkinga noma ukungasebenzi.

3. Ukusebenzisa Imibuzo ye-SQL: I-Oracle inikeza uchungechunge lokubuka namathebula e-pivot anikeza ulwazi oluningiliziwe mayelana nokusetshenziswa kwememori nezinye izinsiza zesistimu. ⁤Isibonelo, ukubuka kwe-"V$SGASTAT" kunikeza izibalo zokusetshenziswa kwememori eyabiwe emhlabeni wonke, kuyilapho ithebula elithi "V$BUFFER_POOL_STATISTICS" libonisa ulwazi lokusebenza kwenqolobane yedatha. Ngemibuzo ye-SQL⁤ sisebenzisa lokhu kubuka namathebula e-pivot, singathola imibiko enemininingwane mayelana ⁤inkumbulo⁤ yokusetshenziswa futhi siyihlaziye ukuze sihlonze noma yiziphi izinkinga noma amathrendi ayinkinga.

Kafushane, ukuqapha ukusetshenziswa kwenkumbulo ku-Oracle Database EditionExpress kubalulekile⁤ ukuze kuqinisekiswe ukusebenza okuphelele futhi kugwenywe izithiyo. Ukusebenzisa amathuluzi⁤ afana ne-Oracle Memory Manager, i Ukuqapha Umsebenzi Kusukela kumibuzo ye-Oracle ne-SQL kuye ekubukweni namathebula e-pivot, singathola ukubuka okuningiliziwe kokusetshenziswa kwememori ngesikhathi sangempela futhi sithathe izinyathelo ezifanele zokuthuthukisa ukusebenza kwayo.

- Isingeniso ku-⁤Oracle Database⁤ Express‌ Edition

Isingeniso ku-Oracle Database Uhlelo Olusheshayo

I-Oracle Database Express Edition (i-Oracle XE) iwuhlelo lwamahhala, olusezingeni lokungena lonjiniyela nabasebenzisi be- izizindalwazi, enikeza inkundla enamandla nengakala yezinhlelo zokusebenza. Nakuba i-Oracle XE kuwuhlelo olulinganiselwe ngokosayizi wesizindalwazi nokusebenza, kuseyisinqumo esihle kakhulu kulabo abafuna ukufunda nokuhlola i-Oracle Database.

Kulokhu okuthunyelwe, sizogxila engxenyeni ebalulekile yokusebenza kweseva yesizindalwazi:⁢ ukuqapha ukusetshenziswa kwenkumbulo. Inkumbulo iwumthombo obalulekile kunoma yiluphi uhlelo lwedathabheyisi, futhi ukuqinisekisa ukuthi ukusetshenziswa kwayo ngendlela ephumelelayo kungasiza ukuthuthukisa ukusebenza nokuzinza kwe-Oracle XE.

Kunezindlela ezimbalwa zokuqapha nokuphatha ukusetshenziswa kwememori ku-Oracle XE. Elinye lamathuluzi asetshenziswa kakhulu yi-Oracle Memory Manager., enikeza ulwazi oluningiliziwe mayelana nosayizi nokwabiwa kwememori ohlelweni. Iphinde ikuvumela ukuthi wenze izinguquko kanye nezilungiselelo ukuze usebenzise inkumbulo ye-Oracle's XE.

Ngaphezu kweMemory Manager ye-Oracle, Kubalulekile ukucabangela ukusetshenziswa kokuqapha kanye nemisebenzi yokuxilonga, njengokulandelela ukusebenza nokuhlaziywa kwe-SQL.Lawa mathuluzi ahlinzeka ngolwazi olwengeziwe mayelana nokusetshenziswa kwenkumbulo ngemibuzo ethile nezinqubo, ezingasiza ukuhlonza izinkinga nokuthuthukisa ukusebenza kwe-Oracle XE.

Kafushane, ukuqapha ukusetshenziswa kwenkumbulo kubalulekile ukuze kuqinisekiswe ukusebenza nokuzinza kwe-Oracle Database Express ⁤Edition. Besebenzisa amathuluzi afana ne-Oracle Memory Manager nemisebenzi yokuqapha kanye nokuxilonga, abasebenzisi bangathuthukisa ukwabiwa kwememori futhi bathuthukise ukusebenza okuphelele kwezinhlelo zabo zokusebenza ezisekelwe ku-Oracle XE Ungawabukeli phansi amandla okuqapha inkumbulo kusizindalwazi sakho se-Oracle XE.

- Ukubaluleka kokuqapha ukusetshenziswa kwememori ku-Oracle

Kubalulekile ukuqonda ukubaluleka⁤ kokuqapha ⁤ukusetshenziswa kwememori ku-Oracle Database Express Edition. Inkumbulo idlala indima ebalulekile ekusebenzeni kolwazi kanye nokuzinza. Ukusebenzisa inkumbulo ngendlela engafanele kungaholela ekwandeni kwezikhathi zokuphendula, ukusebenza kwesistimu okuphansi, futhi ezimeni ezimbi kakhulu ngisho nokuphahlazeka kweseva. Ngakho-ke, kubalulekile ukuthi kube nezinqubo zokuqapha ezifanele ukuze kuqinisekiswe ukusetshenziswa kwenkumbulo ngendlela efanele futhi kugwenywe izinkinga ezingaba khona.

Al qapha ukusetshenziswa kwememori ku-Oracle, kusivumela ukuthi sithole okudidayo ekusebenzeni futhi sixazulule izinkinga ngaphambi kokuthi zithinte abasebenzisi bokugcina. Singakwazi ukubona izingqinamba, njengokuthi, isibonelo, inkumbulo izingidi lokho kungase kubangele ukusebenza kancane noma ngisho nokuphahlazeka okuphelele kwesistimu. Ukwengeza, ukuqapha okuqhubekayo kusivumela ukuthi silungise izilungiselelo zememori njengoba kudingeka, sithuthukise ukusebenza kwesizindalwazi se-Oracle.

Ngaphezu kokuqapha okuvamile kokusetshenziswa kwememori, kufanele futhi sicabangele ukuhlela ukukhula kwenkumbulo. ⁢Lokhu kuhlanganisa ukulinganisa ukukhula kwesizindalwazi esizayo⁢ nokuqinisekisa ukuthi kunememori eyanele etholakalayo ukuhlangabezana nezidingo zesikhathi esizayo. ⁤Ukuqapha⁤Okuqhubekayo kusivumela ukuthi sibikezele kahle futhi sihlele izidingo zememori, ngaleyo ndlela sigweme izinkinga zokusebenza ezibangelwa inkumbulo enganele.

- Amathuluzi atholakalayo okuqapha inkumbulo ku-Oracle Database Express‍ Edition

I-Oracle Database Express Edition iyithuluzi elinamandla lokuphatha imininingwane egciniwe futhi kubalulekile ukuthi abaphathi besizindalwazi baqaphe ngokucophelela ukusetshenziswa kwememori ukuze baqinisekise ukuthi ukusebenza kwesistimu kulungile. Ukuze kube lula lo msebenzi, i-Oracle inikeza amathuluzi ambalwa avumela abalawuli ukuthi balandelele futhi bahlaziye ukusetshenziswa kwememori ku-Oracle Database Express⁣ Edition.

Elinye ithuluzi elinjalo i-Oracle Enterprise Manager, ehlinzeka ngesixhumi esibonakalayo esinembile nesisebenziseka kalula sokuqapha inkumbulo. Ngaleli thuluzi, abalawuli bangabuka amamethrikhi afana nosayizi webhafa okwabelwana ngawo, usayizi webhafa yesizindalwazi, nosayizi wechibi lenkumbulo okwabelwana ngawo. Bangakwazi futhi ukubuka amagrafu abonisa ukuthi ukusetshenziswa kwememori kushintshe kanjani ngokuhamba kwesikhathi, okubavumela ukuthi bakhombe ngokushesha noma yiziphi izinkinga ezingaba khona.

Elinye ithuluzi eliwusizo yiphakheji ye-Oracle's Dynamic Views, evumela abalawuli ukuthi bafinyelele ulwazi lwesikhathi sangempela mayelana nokusetshenziswa kwememori kusizindalwazi. Lokhu kubuka okuguquguqukayo kunikeza ukubuka okunemininingwane yezindawo zenkumbulo ezisetshenziswa isizindalwazi, njengebhafa eyabiwe, isigcinalwazi sedatha, kanye nendawo ye-PGA. Ngalolu lwazi lwesikhathi sangempela, abalawuli bangenza izinqumo ezinolwazi mayelana nendlela yokulungisa ukulungiselelwa kwememori ukuze bathuthukise ukusebenza kwesistimu.

Kafushane, i-Oracle Database Express Edition inikeza abaphathi besizindalwazi ngamathuluzi amaningana anamandla okuqapha ukusetshenziswa kwememori. I-Oracle System Manager inika amandla ukuqapha okubonakalayo okunembile, kuyilapho ukubukwa okuguquguqukayo kwe-Oracle kunikeza ulwazi lwesikhathi sangempela ukuze wenze izinqumo ezinolwazi. Ngala mathuluzi onawo, abaphathi besizindalwazi bangaqinisekisa ukuthi ukusetshenziswa kwememori ku-Oracle Database Express Edition kusebenza kahle futhi kwenziwa kahle.

- Ukusebenzisa umyalo ⁤TOP⁢ ukuthola ulwazi ngesikhathi sangempela

Umyalo we-TOP uyithuluzi eliwusizo kakhulu lokuthola ulwazi lwesikhathi sangempela mayelana nokusetshenziswa kwenkumbulo ku-Oracle Database Express Edition Ngalo myalo, abaphathi besizindalwazi bangakwazi ukuqapha ⁢ Ukusebenza kahle nokwandisa izinsiza ezitholakalayo.

Okukodwa⁤ kokuyinhloko ⁢izinzuzo zokusebenzisa umyalo we-TOP amandla ayo okubonisa izinqubo ezisebenzisa inkumbulo enkulu nganoma yisiphi isikhathi. Lokhu kubaluleke kakhulu uma udinga ukukhomba futhi uxazulule izinkinga zokusebenza, njengoba kukuvumela ukuthi ubone ngokushesha izinqubo ezisebenzisa inani elibalulekile lezinsiza. Ngolwazi olunikezwe umyalo we-TOP, abalawuli bangathatha izinyathelo ezisheshayo zokuthuthukisa ukusetshenziswa kwememori nokuthuthukisa ukusebenza kohlelo lonke.

Ngokusebenzisa umyalo we-TOP, abalawuli bangathola ulwazi oluningiliziwe mayelana nokusetshenziswa kwememori ngezinqubo ezahlukene ngesikhathi sangempela. Lokhu⁤ kuzivumela ukuthi zibone ukuthi yiziphi izinqubo ezisebenzisa inani “eqile” lenkumbulo futhi zithathe isinyathelo sokulungisa. Ukwengeza, umyalo we-TOP unikeza ulwazi mayelana nenani eliphelele lezinqubo ezisebenzayo, inani lememori elabelwe inqubo ngayinye, kanye nenani lememori elitholakala ohlelweni. Lokhu kusiza abalawuli ukuthi bathole ukubuka konke kwesimo samanje sememori kusizindalwazi futhi benze izinqumo ezinolwazi mayelana nokuphatha izinsiza ezitholakalayo.

Kafushane, umyalo we-TOP iyithuluzi elinamandla lokuqapha ukusetshenziswa kwememori ku-Oracle Database Express Edition ngesikhathi sangempela. Ivumela abalawuli ukuthi babone kalula ukuthi yiziphi izinqubo ezisebenzisa inkumbulo enkulu futhi bathathe isinyathelo sokulungisa ukuze bathuthukise ukusebenza kwesistimu. Ngokunikeza ulwazi oluningiliziwe mayelana nokusetshenziswa kwememori ngezinqubo, umyalo we-TOP usiza abalawuli ukuthi bathole ukubuka kabanzi kwesimo samanje sememori ohlelweni futhi benze izinqumo ezinolwazi mayelana nokuphathwa kwezinsiza.

- Ukutolika imiphumela yomyalo we-⁤TOP ku-Oracle Database Express Edition

Umyalo we-TOP ku-Oracle Database Express Edition iyithuluzi elinamandla lokuqapha ukusetshenziswa kwememori kusizindalwazi. Ukutolika imiphumela yalo myalo kunganikeza ukuqonda okuningiliziwe ekusebenzeni futhi kusize ukukhomba izinkinga zenkumbulo ezingaba khona.

Isici sokuqala okufanele icatshangelwe lapho utolika imiphumela ye-TOP ⁣ikholomu ye-PID ebonisa isihlonzi ⁤senqubo yokuqalisa. Lokhu kungasiza ukukhomba ukuthi yiziphi izinqubo ezisebenzisa inkumbulo kakhulu nokuthi zisebenza kangakanani.

Ikholomu ye-“MEM” ibonisa inani lenkumbulo elisetshenziswa inqubo ngayinye, ikuvumela ukuthi ubone ngokushesha izinqubo ezisebenzisa inkumbulo eningi. Lokhu kuwusizo ikakhulukazi uma ufuna ukuvuza kwenkumbulo okungaba khona noma imigoqo engathinta⁤ ukusebenza.

Ukwengeza, ikholomu "ISIKHATHI" ibonisa isamba sesikhathi sokwenza ⁢senqubo ngayinye. Lolu lwazi luwusizo ekunqumeni ukuthi yiziphi izinqubo ezidla isikhathi esiningi se-CPU nokuthi ingabe zikhona ezibangela ukusetshenziswa kwememori okuphezulu ngenxa yokusetshenziswa isikhathi eside.

Kafushane, ukuhumusha imiphumela yomyalo we-TOP ku-Oracle Database Express Edition kunikeza ukuqonda okubalulekile ekusetshenzisweni kwememori yolwazi. Ngokuhlaziya amakholomu e-“PID”, “MEM” kanye “ESIKHATHI”, ungakwazi ukuhlonza izinqubo ezisebenzisa inkumbulo nezinsiza eziningi kakhulu. Lokhu kuvumela ukuthi kuthathwe izinyathelo ezifanele zokuthuthukisa ukusebenza kahle nokuxazulula izinkinga ezingaba khona.

- Ukuhlaziywa kwamapharamitha we-SGA⁤ kanye ne-PGA ukuze kusetshenziswe inkumbulo ngokugcwele

Lapho uhlaziya ukusetshenziswa kwenkumbulo ku-Oracle Database Express Edition, kubalulekile ukucabangela amapharamitha we-SGA (System Global Area) kanye ne-PGA (Program Global Area) ukuze kuthuthukiswe ukusebenza kwawo. I-SGA isho inkumbulo eyabiwe esetshenziswa isistimu yokusebenza ukugcina idatha nokulawula ulwazi, kuyilapho i-PGA iyinkumbulo ngayinye esetshenziswa inqubo noma iseshini ye-Oracle ukwenza imisebenzi yokucubungula.

Ukuqapha ukusetshenziswa kwememori, Kuyatuseka ukusebenzisa ukubukwa okuguquguqukayo kwe-Oracle⁢ njenge-V$SGA, V$PAGETABLE, V$PROCESS, phakathi kokunye. Lokhu kubuka kunikeza ulwazi oluningiliziwe mayelana nosayizi wamanje kanye nobukhulu obukhulu be-SGA ne-PGA, kanye nenani lememori elisetshenziswa izingxenye zesistimu ezahlukene. Ngalokhu ⁤kubuka, abaphathi besizindalwazi bangakwazi thola noma yiziphi izinkinga zokugcwala noma ukungalingani ekusetshenzisweni kwenkumbulo futhi uthathe isinyathelo sokulungisa ngokushesha.

Uma idatha yokusebenza kwenkumbulo isitholiwe, izinhlaka ze-SGA ne-PGA zingalungiswa ukuze kukhuliswe ukusebenza kahle. . Ngokwandisa usayizi we-SGA, ⁤ivumela ⁤ukugcinwa ⁤okukhulu kwedatha futhi⁢ kunciphisa ⁢isidingo sokufinyelela idiski,⁣ okuthuthukisa ukusebenza okuphelele kwesizindalwazi. Ngokolunye uhlangothi, lungisa usayizi we⁤ PGA Kungaba usizo lapho unikeza inkumbulo eyengeziwe emisebenzini edinga ukucutshungulwa okujulile, njengokuhlela imisebenzi noma ukusetshenziswa kwememori yesikhashana emibuzweni eyinkimbinkimbi. Kubalulekile ukuqaphela ukuthi lezi zinguquko kufanele zenziwe ngokucophelela futhi ziqaphe umthelela wazo ekusebenzeni ukuze kugwenywe izinkinga zokusebenzisa inkumbulo ngokweqile.

- Izincomo zokuphatha kahle inkumbulo ku-Oracle Database⁢ Express Edition

Ngoba phatha kahle inkumbulo ku-Oracle Database Express Edition, kubalulekile ukwazi nokuqapha ukusetshenziswa kwememori kusizindalwazi. Enye indlela yokwenza lokhu ukusebenzisa ukubukwa okuguquguqukayo okunikezwe i-Oracle. Lokhu kubuka okuguquguqukayo kukuvumela ukuthi ufinyelele ulwazi lwesikhathi sangempela mayelana nokusetshenziswa kwememori, njengosayizi wengxenye eyabiwe, usayizi wenqolobane yebhafa, nosayizi we-PGA.

Esinye isincomo esibalulekile ‍ lungisa imingcele yememori ngokwezidingo nezici zohlelo. I-Oracle inikeza amapharamitha afana ne-SHARED_POOL_SIZE, DB_CACHE_SIZE, kanye ne-PGA_AGGREGATE_TARGET, elawula ukwabiwa kwenkumbulo yezingxenye ezihlukene zesizindalwazi. Ukulungisa lezi zinhlaka ngendlela efanele kungathuthukisa ukusebenza kwesistimu futhi kuvimbele ukuphuma ezinkingeni zenkumbulo.

Ngaphezu kwalokho, kunconywa ukusebenzisa amathuluzi okuqapha ukuze ⁤uhlaziye ukusetshenziswa kwenkumbulo ngesikhathi sangempela⁢ kanye nokulandelela⁤ izinkinga ezingaba khona. I-Oracle inikeza⁤ amathuluzi afana ne-Enterprise Manager ⁢kanye Unjiniyela we-SQL, enikeza ukuqapha okuthuthukisiwe nokusebenza kokuxilonga. Lawa mathuluzi akuvumela ukuthi ubone izinkinga zokusebenzisa inkumbulo ngokweqile, wenze izinguquko ngesikhathi sangempela futhi ukhiqize izexwayiso ukuze uvimbele ukwehluleka okungenzeka.

- Ukubona nokuxazulula izinkinga ezihlobene nokusetshenziswa kwenkumbulo ku-Oracle

Ukuhlonza nokuxazulula izinkinga ezihlobene⁢ nokusetshenziswa kwenkumbulo ku-Oracle

Enye⁢ yezici ezibalulekile ⁤ekuphathweni kwe isizindalwazi Kuwukusebenzisa kahle inkumbulo. Ku-Oracle⁤ Database Express Edition, kubalulekile ukuqapha nokuxazulula noma yiziphi izinkinga ezihlobene nokusetshenziswa kwememori. Lapha sizokwethula amasu namasu okuhlonza nokuxazulula lezi zinkinga.

Elinye lamathuluzi ayinhloko ongawasebenzisa ukuqapha ukusetshenziswa kwememori ku-Oracle imenenja yememori ye-SGA (System Global Area). I-SGA iyindawo yenkumbulo eyabiwe lapho i-Oracle igcina khona idatha nezakhiwo ezabiwe yizo zonke izinqubo ohlelweni. Kubalulekile ukukhumbula ukuthi i-SGA ihlukaniswe yaba izindawo ezingaphansi, ezifana ne-buffer cache kanye ne-pool pool, okunomthelela ekusebenzeni kukonke kwesizindalwazi. Ngokuqapha nokulungisa lezi zindawo ezingaphansi, ungakwazi ukuthuthukisa ukusetshenziswa kwememori kusistimu yakho ye-Oracle.

Esinye isici okufanele sicatshangelwe ubukhulu be-PGA (Program Global Area). I-PGA iyisifunda senkumbulo esetshenziswa inqubo yeseva enikezelwe kumsebenzisi othile noma inqubo yohlelo lokusebenza. Uma usayizi we-PGA ungalungiselelwe kahle, kungase kube nezinkinga zokusebenza ezihlobene nenkumbulo. Kubalulekile ukubuyekeza futhi ulungise usayizi we-⁤PGA ‌ukuze⁢ uyivimbele ekusebenziseni izinsiza eziningi futhi uphazamise ukusebenza ⁢kwesistimu iyonke.

-⁤ Ukusebenzisa izexwayiso nama-alamu ⁤ukuqapha inkumbulo ngesikhathi sangempela

Izaziso⁢ nama-alamu angamathuluzi⁤ abalulekile⁢ okwengamela ukusetshenziswa kwememori ku-Oracle​ Database Express Edition ngesikhathi sangempela. Lezi zici zivumela abalawuli besistimu ukuthi bathole izaziso ezisheshayo uma ukusetshenziswa kwememori kufinyelela emazingeni abalulekile. Lokhu kuwusizo ikakhulukazi ezindaweni zokukhiqiza lapho ukusebenza kabi kungase kube nomthelela omkhulu ekutholakaleni kwesistimu nokusebenza. .

Ngezexwayiso ezilungiswe kahle nama-alamu, abalawuli bangakwazi:
- Qaphela ukusetshenziswa kwenkumbulo njalo ukuze uthole izingqinamba ezingase zibe khona kanye nezinkinga zokusebenza.
- Thola ngokushesha imibuzo noma izinqubo ezisebenzisa inkumbulo eningi ngokweqile bese uthatha isinyathelo sokulungisa ngokushesha.
- Setha imibundu yangokwezifiso ukuze uthole izexwayiso lapho ukusetshenziswa kwememori kudlula amanani azenzakalelayo.

Ukulungisa izexwayiso nama-alamu ku-Oracle Database Express Edition kulula futhi kungenziwa ngokusebenzisa isixhumi esibonakalayo somugqa womyalo noma kusetshenziswa i-Oracle Enterprise Manager Express. . Ukuze ulungiselele izexwayiso zenkumbulo yesikhathi sangempela, landela lezi zinyathelo ezilandelayo:
1. Ngena ngemvume ku-Oracle Database⁣ Express Edition njengomlawuli wesistimu.
2.⁤ Qalisa umyalo we-ALTER SYSTEM SET MEMORY_MAX_TARGET ukuze usethe inani eliphakeme lememori elingasetshenziswa.
3. Sebenzisa umyalo we-ALTER SYSTEM SET‍ MEMORY_TARGET ukuze usethe inani eliqondiwe lokusetshenziswa kwememori.
4. Sebenzisa isitatimende esithi DALA I-ALARM ukuze udale i-alamu eqaliswa lapho ukusetshenziswa kwememori kweqa umkhawulo othile.
5. Hlola izilungiselelo usebenzisa umyalo SHOW PARAMETER MEMORY ukuze uqinisekise ukuthi izexwayiso nama-alamu ayasebenza futhi amiswe ngendlela efanele.

Ukusebenzisa izexwayiso nama-alamu ukuqapha inkumbulo ngesikhathi sangempela kuwumkhuba ongcono kakhulu wokuqinisekisa ukusebenza kahle kwe-Oracle Database Express Edition Ngalawa mathuluzi, abalawuli bangathola futhi baxazulule izinkinga zenkumbulo ngokuqhubekayo, bagweme ukuphazamiseka okungenzeka ekusebenzeni kwesistimu.

- Iziphetho nezinyathelo okufanele uzilandele ukuze uthuthukise ukuqapha inkumbulo ku-Oracle Database Express Edition

Iziphetho
Sengiphetha, ukuqapha inkumbulo ku-Oracle Database Express Edition kuwumsebenzi obalulekile wokuqinisekisa ukusebenza kahle kwesistimu. Kulo lonke leli posi, sihlole izindlela namasu ahlukene okwenza lo msebenzi. ngempumelelo.

Izinyathelo okumele uzilandele ukuze uthuthukise ukuqapha inkumbulo
Ukuze uthuthukise ukuqapha inkumbulo ku-Oracle Database Express Edition, sincoma ukuthatha izinyathelo ezilandelayo:

1. Hlaziya ukucushwa kwememori: Ngaphambi kokwenza noma yiziphi izinguquko, kubalulekile ukuqonda ukuthi inkumbulo imiswa kanjani kusizindalwazi sakho. Lokhu kuhlanganisa ukwazi amapharamitha enkumbulo angukhiye, afana nosayizi wenqolobane yesigcinalwazi kanye ⁢nephuli eyabiwe. Sebenzisa umbuzo wesichazamazwi sedatha ye-Oracle ukuze uthole lolu lwazi.

2. Setha imikhawulo yesexwayiso: Lungiselela imikhawulo yesixwayiso yezingxenye zememori ezihlukene, njengenqolobane yebhafa kanye nephuli yokwabelana. Lokhu kuzokuvumela ukuthi uthole izaziso uma imikhawulo emisiwe ⁢ifinyelelwa noma yeqiwa, lokho ⁤okukuxwayisa ngezinkinga zenkumbulo ezingaba khona.

3. Yenza ukuqapha okuqhubekayo: ⁢ Sungula inqubo yokuqapha ⁤inkumbulo eqhubekayo ukuze ⁤uhlonze futhi uxazulule izinkinga. Sebenzisa amathuluzi okuqapha afana ne-Oracle Enterprise Manager noma imibhalo yangokwezifiso ukuze uthole amamethrikhi angukhiye, afana nokusetshenziswa kwememori nokuvala isikhathi, futhi uwalandelele njalo.

Kafushane, ukuthuthukisa ukuqapha inkumbulo ku-Oracle Database Express Edition kudinga indlela ehlelekile nesebenzayo. Ngokulandela izinyathelo ezishiwo ngenhla, uzokwazi ukuthuthukisa ukusebenza kwesizindalwazi sakho futhi uvimbele izinkinga ezibizayo esikhathini esizayo. Khumbula ukwenza izinguquko ezivamile nokuthuthukisa ukuze ugcine isistimu yakho isebenza ngempumelelo.