Database - wani data gudanar da tsarin

Wadannan suna kewaye da mu. Sun zo ta hanyar kafofin watsa labarai, jiran mu a wajajen ayuka, a kan jama'a kai, ko da a cikin kitchen. Tun da kowane zamani mutum ne kullum fuskanci wata babbar adadin bayanai yana da wani sashe da shi wani iri-iri na ayyuka: tara da store, don zaɓar mafi zama dole abubuwa, irin, da kuma shirya a sauran hanyoyi, share. Don sanya aiki da kai da tsari, da kuma database da aka ɓullo da. Ta hanyar la'akari da ra'ayi na database - a tsarin don tsara bayanai.

Mene ne wani database

A database da aka dauke su wani umurni da tsararru na bayanai. Wani misali na irin wannan ana jerawa database library iya bauta wa. A ta littattafai yawanci located in wani takamaiman tsari da suna, da marubucin ko dangane da batun. A bisa ga al'ada, data gabatar saukaka, amfani da tebur form. A Kwayoyin suna sanya ta lambobi, rubutu, hotuna da kuma sauran abubuwa. A ginshikan da layuka dauke da wasu alamu, wanda ya auku ordering. A muhimmanci sosai batun ga ta dace yi na database shi ne ya gano wani sa na siffofin da suke da na kowa zuwa wani batu yankin. Wannan shi ne, dangane da dabi'u wadannan halaye rabu da misalin kowane musamman mahaluži.

Mene ne wani DBMS

Database - a wasu database tsarin. Gaskiyar cewa data bai isa ba kawai don samun a kan su ka bukatar ka consistently nuna wasu daga cikin ayyukan. Da farko, da akwai bayanai da umarnin da za a adana. Kuma a nan gaba, kana bukatar ka yadda da data za a iya samu mafi sauri, wanda ke bukatar mai amfani a iyakancen lokaci a halin yanzu halin da ake ciki. Don wannan karshen, da kula da tsarin dole ne a wasu sa na lissafi mai tsauri domin kasawa, kazalika da da ikon amfani da dama tacewa. A data ne to, dole don ƙara, share, gyara, da sauransu. Domin saukaka aiki a iri-iri na bayanai, shi wajibi ne cewa irin wannan tsarin zai kuma ba da damar masu amfani don gina wani zaži tambaya a cikin wani tsararru, "iya" cika wadannan buƙatun da sauri da kuma stably. Tare da ta dace yi na wannan database samar da duk kuma sa kafaffen data daga samun dama marar izini da sauran aiwatarwa bukata ayyuka.

Me MySQL database

MySQL - a gudanar da tsarin da zumunci database. Da zumunci kira irin wannan tushe da bayanin da aka wakilta a cikin nau'i na raba alluna, waxanda suke da juna da kuma interdependent. Daga sauran databases Wannan shi ne daban-daban wasu na asali fasali, wato:

- multithreading, watau a lokaci guda a cikin wannan tsarin zai iya gudu mahara queries.

- sauki da gine na uwar garke.

- dogara da kariya tsarin hada da wani m tsarin kalmomin shiga da hakkin;

- da ikon yin amfani da data biyu gyarawa da kuma m tsawon;

- ingancin ajiya tsarin dangane da gudana.

- da yiwuwar saliha up to 16 mabudi a cikin tebur.

Akwai kuma sauran muhimman bambance-bambance, kamar da cewa a cikin database akwai wani mai amfani a gyara Tables.

MySQL, kamar yadda wani database, shi ne mai sauki da kuma ma'ana tsarin da cewa ba ka damar yin duk dole ayyukan a kan data.