{"id":6619,"date":"2026-04-13T11:50:34","date_gmt":"2026-04-13T11:50:34","guid":{"rendered":"http:\/\/the-codest.localhost\/dictionary\/lookup-table\/"},"modified":"2026-04-13T11:50:50","modified_gmt":"2026-04-13T11:50:50","slug":"paieskos-lentele","status":"publish","type":"dictionary","link":"https:\/\/thecodest.co\/lt\/dictionary\/lookup-table\/","title":{"rendered":"Paie\u0161kos lentel\u0117"},"content":{"rendered":"

Paie\u0161kos lentel\u0117s apibr\u0117\u017etis<\/h1>\n

Paie\u0161kos lentel\u0117, dar vadinama hash<\/a> lentel\u0117 arba asocijuotasis masyvas yra duomenys<\/a> strukt\u016bra, kurioje saugoma rakto ir vert\u0117s por\u0173 kolekcija. Ji naudojama rakt\u0173 rinkiniui atvaizduoti \u012f atitinkamas reik\u0161mes, kad b\u016bt\u0173 galima veiksmingai gauti duomenis pagal tam tikr\u0105 rakt\u0105.<\/p>\n

Paie\u0161kos lentel\u0119 sudaro dvi pagrindin\u0117s dalys: raktas ir reik\u0161m\u0117. Raktas naudojamas duomenims identifikuoti, o vert\u0117 yra patys duomenys. Rakto ir vert\u0117s poros saugomos masyve, kuriame kiekvienas raktas susietas su atitinkama verte. Raktai ir reik\u0161m\u0117s gali b\u016bti bet kokio duomen\u0173 tipo, pavyzd\u017eiui, sveikieji skai\u010diai, eilut\u0117s arba objektai.<\/p>\n

Vienas i\u0161 pagrindini\u0173 paie\u0161kos lentel\u0117s naudojimo privalum\u0173 yra jos greitis ir efektyvumas. Ji leid\u017eia nuolatiniu laiku pasiekti duomenis, nepriklausomai nuo duomen\u0173 rinkinio dyd\u017eio. Taip yra tod\u0117l, kad paie\u0161kos lentel\u0117je kiekvienam raktui atvaizduoti \u012f unikal\u0173 masyv\u0173 indeks\u0105 naudojama hash funkcija, tod\u0117l duomen\u0173 paie\u0161ka labai greita.<\/p>\n

Paie\u0161kos lentel\u0117s paprastai naudojamos kompiuteri\u0173 programavime tokioms u\u017eduotims, kaip spartinimas, indeksavimas ir paie\u0161ka, atlikti. Jos taip pat naudojamos duomen\u0173 baz\u0117se, siekiant pagerinti u\u017eklaus\u0173 na\u0161um\u0105, kuriant da\u017enai u\u017eklausiam\u0173 stulpeli\u0173 indeksus.<\/p>\n

Apskritai paie\u0161kos lentel\u0117s yra labai svarbi duomen\u0173 strukt\u016bra informatikoje ir pla\u010diai naudojama \u012fvairiose taikomosiose programose. Jos u\u017etikrina greit\u0105 ir veiksming\u0105 duomen\u0173 saugojimo ir gavimo b\u016bd\u0105, tod\u0117l yra nepakei\u010diamas programuotoj\u0173 ir k\u016br\u0117j\u0173 \u012frankis.<\/p>","protected":false},"excerpt":{"rendered":"

Su\u017einokite apie paie\u0161kos lenteles - duomen\u0173 strukt\u016br\u0105, naudojam\u0105 raktams ir reik\u0161m\u0117ms atvaizduoti, kad juos b\u016bt\u0173 galima efektyviai rasti. Pla\u010diai naudojama programavime ir duomen\u0173 baz\u0117se. #duomen\u0173 valdymas<\/p>","protected":false},"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-6619","dictionary","type-dictionary","status-publish","hentry"],"acf":[],"yoast_head":"\nLookup Table - The Codest<\/title>\n<meta name=\"description\" content=\"Learn about lookup tables, a data structure used to map keys to values for efficient retrieval. 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