KwamfutaDatabases

Database na Oracle: fasali na asali na Oracle DBMS

Ƙaddamarwar ci gaban al'umma ta haifar da ci gaba da fasaha da dama don tsara wasu matsalolin. Ɗaya daga cikin abubuwan da aka fi mayar da hankali ita ce buƙatar tsara sababbin hanyoyi na adanawa da sarrafa manyan bayanai ta yin amfani da hardware.

Maganin matsalar da aka halittar wani database (DB) a matsayin hanyar data ajiya da kuma bayanan tushe gudanar da tsarin (DBMS) a matsayin aiki hanya.

Mene ne DBMS?

Database management system - a sa na software kayayyakin aikin da ake amfani da su haifar da database, kazalika da browse, search, da kuma sabunta su adana bayanai. Ana gudanar da gudanar da bayanan bayanai tare da taimakon salo na kayan aiki na harshe da kayan aiki. A aikace, DBMS, a matsayin mai mulkin, ana amfani dashi a cikin tsarin tsarin bayanai.

Har zuwa yau, akwai zaɓuɓɓuka masu yawa don tsarin kula da bayanai wanda ke rarrabe duka aikin da bukatun don kwamfutar. A matsayin misalai na DBMS na zamani, za ka iya kawo Oracle Database, wanda za a tattauna daga baya, MySQL, Access, SQL Server, Fox Pro.

Duk da nau'o'in bayanai, dukansu sun kasu kashi biyu: mai amfani da dama da na sirri.

Tsarin Mulki

Irin waɗannan tallan sun tsara don aiwatar da ayyuka masu wuyar akan kwakwalwa mai karfi. A cikin wannan tsarin, mutane da yawa suna aiki a layi daya, saboda haka yana ƙunshi abubuwa da dama, mafi daidai:

  • A kwaya a ƙwaƙwalwar ajiya;
  • Server;
  • Abubuwan ƙidayar abokan ciniki marasa iyaka wadanda ke aiki da ayyukan da masu amfani suka sanya.

A irin wannan tsarin, an yi amfani da kwamfutarka guda ɗaya, wadda aka yi amfani dashi azaman uwar garken kuma yana adana bayanai da kwaya. Wannan bayani yana samar da damar samun dama ga database don abokan ciniki. Bugu da ƙari, a cikin irin wannan DBMS yana da sauki don gyara kurakurai. Hanyoyin saurin bayanan bayanai suna sa aikin ya zama mai inganci sosai. Abokan ciniki zasu iya sadarwa tare da tsarin ta hanyar kowane cibiyar sadarwa. Wadannan su ne kawai wasu daga cikin amfanoni masu amfani da bayanai, wanda ya hada da Oracle Database.

Kayan sirri

An tsara irin wannan don ƙananan ayyuka. An sanya tsarin da aka sanya akan kwakwalwa na sirri da kuma hulɗa tare da mai amfani daya. Ana adana bayanai da kuma shirin kanta a cikin ƙwaƙwalwar ajiya ɗaya.

Har zuwa yau, masu ci gaba irin wannan tsarin sun ƙãra ikon yin aiki a cikin yanayin yanar gizo. Duk da haka, a wannan yanayin, halin halayen kowane wuri yana da mahimmanci. Ana samun bayanai akan uwar garke; Ana buƙatar duk abokan ciniki don shigar da shirin aikace-aikace da kwafin tsarin kanta. Amma wannan bayani yana haifar da matsalolin yayin canza bayanai. A wannan yanayin, samun dama ga bayanai yana zama mafi rikitarwa. Kowane mai amfani yana aiki dabam, kuma kurakurai a cikin shirinsa ba'a iya gani ga sauran abokan ciniki. Idan ba ku toshe su ba, to, hanyar samun dama zai kasance matsala.

Ƙara koyo game da Oracle

Mene ne Database Database? Domin shekaru masu yawa, Oracle database yana ba masu amfani da iyakar ta'aziyya, tsaro, babban gudunmawa da aminci. Tsarin ya nuna kansa daidai, kuma kowane ɓangarensa yana da mahimmanci ga abokin ciniki. Mafi yawan tsarin bayanai ba zai iya yin ba tare da amfani da wannan tashar ba.

Harkokin fasaha suna tasowa sosai, kuma ana buƙatar sababbin buƙatun don waɗannan samfurori. Tattaunawa da hulɗa tare da bayanai a matakin dace suna samar da tsarin da yawa. Amma Oracle database ya kasance shugaban, godiya ga ci gaba da cigaba.

Babban fasali na tsarin

Wannan DBMS wani saiti ne na kayan aikin software, wanda ƙarfinsa ya isa don shirya aikin wani ƙari. Ayyuka masu tasowa masu kyau sun ƙyale ka ka ajiye adadin bayanai. Amfani da aiki yana ba da damar yin hulɗa tare da bayanai ga duk abokan ciniki. Sai kawai kayan aikin kayan aiki zasu iya zama iyakancewa. Masu tsarawa sun aiwatar da dukkanin fasaha mafi kyau a cikin tsarin, yin aiki ta intanit wanda ya dace.

Wani muhimmin alama shi ne Multi-dandalin Oracle. Linux, Windows da kowane tsarin aiki zai ba da dama don tsara tsarin. Ya kamata a ambata manufofin da za a bijiro. Tsarin zuwa sauƙin sabuntawa an shirya shi sosai, shirin na musamman zai taimaka wajen canza bayanai daga wasu tsarin.

Menene zaɓukan DBMS akwai?

Masu tsarawa suna ba masu amfani da nau'o'in hudu don tsarin:

  • Ɗab'in Ɗauki;
  • Littafin;
  • Kayan ciniki;
  • Ɗaukaka na Ɗaukaka.

Ba'a samo wannan samfurin a cikin Database na Oracle ba. Sifofin sun fi kama da juna. Ƙananan bambance-bambance suna cikin bangare na aiki, domin kowanne zaɓi akwai zaɓi na musamman.

Ɗab'in Ɗauki

Mafi yawan shahararren mashahuran, wanda aikinsa yake da iyaka. Mafi sau da yawa ana amfani dashi lokacin tsara tsarin don ƙananan yawan abokan ciniki. Wannan shine zaɓi mafi kyau ga ƙungiya ta aiki, ƙananan kamfani, da dai sauransu. Amma a cikin kungiyoyi masu yawa akwai kuma ɗaki na Ɗa'arar Ɗaukaka idan ya zo da rassan rassan. Farashin wannan version of Oracle Database ya rage, yayin da samfurori na yanzu zai isa ya yi aiki yadda ya kamata.

Maganar Oracle

Mafi sauƙi daga cikin tsarin. An fi amfani dashi mafi kyau a kan na'urori masu hannu, kwamfyutocin kwamfyutoci, da sauransu. Sakamakon daidaitawa na bayanai an sami ta hanyar amfani da ƙayyadadden ƙira. Ana gudanar da ci gaba da aikace-aikacen ta amfani da kayan aiki na gari.

Ɗab'in Kasuwanci

Mafi kyau na Oracle DBMS tare da duk siffofi na yanzu. Wannan tsarin yana da iko mara iyaka kuma yana ba ka damar shirya cikakken aikin. A wannan yanayin, duk abin dogara ne kawai akan hardware mai iko. Wannan fasalin ya tattara mafi kyawun fasaha na ajiya da haɗi tare da bayanin. Masarrafar uwar garken za ta iya yin aiki sosai ba tare da tsayawa ba, saboda babbar matsala. Kayan aiki mai mahimmanci yana taimaka wajen ajiye bayanai kuma, idan ya cancanta, mayar da su. Bayanai mai mahimmanci ba za a rasa ba.

Ɗaukaka na Ɗaukaka

Wannan Mawallafin Bayani mai Mahimmanci yana cikakke don amfanin mutum ko horo. Ayyukan aiki zai isa don ƙirƙirar shirye-shirye da kuma kara amfani da su akan wasu nau'i na Windows. Suna taka muhimmiyar rawa, tun a cikin NT ko 2000 an samu dukkan zaɓuɓɓuka, kuma a cikin 95/98 / ME za a iyakance iyakance saboda siffofin tsarin aiki.

Features na version 11g

Masu amfani sau da yawa suna da matsalolin shigar da wannan asusun, kuma a cikin 11g, wannan tsari ya kasance mai sauƙi. Bugu da ƙari, ya zama mafi dacewa don aiwatarwa ba kawai na farko ba, amma har ma da na musamman. Tsarin zai kasance mafi inganci idan an gyara shi don aikin da ake buƙata, kuma a cikin Oracle Database 11g wannan al'amari yana aiki sosai.

Ana kyautata ingantattun hanyoyin gyaran fuska. Ta hanyar ƙara sababbin nau'i na ɓangaren ƙira, za ka iya cimma nasarar yin aiki a cikin gudunmawar uwar garke da yawan aiki. Yanzu ba buƙatar ka dakatar da shirye-shiryen ko sake sake rubuta su ba. Ba a keta aiki na aikace-aikacen ba tare da gazawar kowa ba.

Yadda za'a samu DBMS?

A shafin yanar gizon yanar gizo zaka iya sauke tsarin da ake buƙata na tsarin, kuma wannan zai kasance mafi mahimmanci bayani. Shafin saukewa kawai buƙatar bincika kuma tabbatar da yarjejeniyar lasisi, sannan kuma zaɓi tsarin aiki.

Mataki na karshe shine izini akan shafin. Idan babu bayanin martaba, zaka iya ƙirƙirar shi kuma shiga cikin tsarin. Kasancewar asusun ba kawai ba ne kawai ba, amma har ma da amfani. Baya ga shafi na saukewa na DBMS, masu amfani zasu sami dama zuwa wasu siffofi masu ban sha'awa.

Shigar Oracle 11g

Yadda za'a saka Oracle Database 11g akan Windows 7? An ƙaddamar da DBMS a cikin wani tarihin, wanda, bayan saukewa, yana buƙatar a cire shi.

Sa'an nan kuma kana buƙatar yin haka:

  1. A cikin babban fayil DISK1, bude fayil ɗin shigarwa mai suna Setup.exe.
  2. Je zuwa allon maraba.
  3. Yarda da lasisi.
  4. Zabi wurin da za a shigar da shirin (amma ya fi kyau ya bar hanyar halayen).
  5. Ƙirƙiri asusun sarrafawa na tsarin kwamfuta.
  6. Duba bayanan da aka nuna kuma tabbatar da shi.

Shigarwa yana da sauƙi kamar yadda zai yiwu, kuma duk ayyukan suna da ilhama. Ya kamata a lura cewa ba kawai a kan Windows ba ne mai sauqi don shigar da bayanai daga Oracle. Linux da duk sauran tsarin aiki bazai haifar da matsalolin ba, tun da tsarin aiwatarwa ya fi kama.

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