NLS hlua yog dab tsi?
NLS hlua yog dab tsi?

Video: NLS hlua yog dab tsi?

Video: NLS hlua yog dab tsi?
Video: Cee vaj los nqhia yog vim li cas xav xav kom maiv xis tau me ab sai sai 2024, Hlis ntuj nqeg
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AFAIK, NLS stands rau National Language Support uas txhawb cov lus hauv zos (Lwm cov lus txhawb Localization). Los ntawm Oracle Documentation. National Language Support ( NLS ) yog thev naus laus zis ua rau Oracle cov ntawv thov cuam tshuam nrog cov neeg siv hauv lawv hom lus, siv lawv cov lus pom zoo rau kev nthuav tawm cov ntaub ntawv.

Sib piv, NLS yog dab tsi hauv Oracle?

Oracle cov National Language Support ( NLS ) architecture tso cai rau koj khaws, txheej txheem, thiab khaws cov ntaub ntawv ua hom lus. Nws xyuas kom meej tias cov ntaub ntawv siv hluav taws xob thiab cov lus yuam kev, txheeb xyuas, hnub tim, lub sijhawm, nyiaj txiag, lej, thiab daim ntawv qhia hnub yuav hloov mus rau hom lus thiab thaj chaw.

Dab tsi yog Oracle cim teeb? Oracle Database siv lub database ua cim rau: Cov ntaub ntawv khaws cia hauv SQL tus cwj pwm datatypes (CHAR, VARCHAR2, CLOB, thiab LONG). Cov cim npe xws li cov npe lus, kab npe, thiab PL/SQL hloov pauv. Khaws SQL thiab PL/SQL qhov chaws, suav nrog cov ntawv sau cia hauv qhov chaws no.

Cov lus nug tseem yog, al32utf8 yog dab tsi?

AL32 UA 8 . Cov AL32 UA 8 Cov cim teeb tsa txhawb qhov tseeb version ntawm tus qauv Unicode. Nws encodes cov cim hauv ib, ob, lossis peb bytes. Cov cim ntxiv yuav tsum muaj plaub bytes. Nws yog rau ASCII-based platforms.

Lub zos NLS yog dab tsi?

Cov thaj chaw ID nkag mus yog tus txheej txheem thoob ntiaj teb cov lej sau luv thiab muaj cov khoom tsim nyog los txheeb xyuas ib qho ntawm cov kev teeb tsa ua haujlwm-txhais thaj chaw . NLS txhawb ob leeg predefined thaj chaw identifiers thiab custom identifiers. Yog xav paub ntxiv, saib Hu rau " Hauv zos Lub npe "Functions.

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