Format check validation yog dab tsi?
Format check validation yog dab tsi?

Video: Format check validation yog dab tsi?

Video: Format check validation yog dab tsi?
Video: Xwm Kab Yog Dab Tsi?: Hmoob Nkag Siab Yuam Kev Tag Lawm 2024, Kaum ib hlis
Anonim

A hom ntawv kos yog a kev kuaj xyuas uas xyuas kom meej tias cov ntaub ntawv nkag mus rau hauv ib qho tshwj xeeb hom ntawv los yog qauv. Cov hom ntawv cov ntaub ntawv yuav tsum nyob rau hauv tau teev tseg siv lub npog qhov ncauj. Lub npog ntsej muag yog tsim los ntawm cov cim tshwj xeeb uas qhia tias cov cim twg yuav raug ntaus qhov twg.

Ua raws li qhov no hauv kev txiav txim siab, qhov piv txwv kuaj xyuas hom yog dab tsi?

Cov hom ntawv kos xyuas kom meej qhov ntau ntawm lub hli, hnub, thiab xyoo siv tau thiab tseem tias hnub siv tau. Rau piv txwv , 2/29/2008 siv tau txij li xyoo 2008 yog xyoo leap, tab sis 2/29/2007 ua tsis tiav vim 2007 tsis yog xyoo leap.

Tsis tas li ntawd, qhov txawv ntawm kev txheeb xyuas thiab kev lees paub yog dab tsi? Cov kev sib txawv ntawm ob lub ntsiab lus yog feem ntau ua nrog lub luag haujlwm ntawm specifications. Kev lees paub yog tus txheej txheem ntawm kev tshuaj xyuas seb qhov specification ntes cov neeg siv khoom xav tau. Kev pov thawj yog tus txheej txheem ntawm kev kuaj xyuas tias cov software ua tau raws li qhov tshwj xeeb.

Yog li ntawd, dab tsi yog qhov piv txwv ntawm validation?

Kev lees paub yog ib qho kev kuaj xyuas lub computer tsis siv neeg los xyuas kom meej tias cov ntaub ntawv nkag mus yog qhov tsim nyog thiab tsim nyog. Nws tsis tshawb xyuas qhov tseeb ntawm cov ntaub ntawv. Rau piv txwv , ib tug menyuam kawm ntawv theem nrab yuav muaj hnub nyoog ntawm 11 txog 16. Rau piv txwv , tus tub ntxhais kawm lub hnub nyoog yuav yog 14, tab sis yog tias 11 nkag mus nws yuav siv tau tab sis tsis raug.

Kev kuaj xyuas yog dab tsi?

Tshawb xyuas . Cov Tshawb xyuas processor tso cai rau koj mus kuaj rau cov ntaub ntawv nyob rau hauv ib pawg ntawm Reference Data uas muaj feem xyuam rau cov uas koj tam sim no ua hauj lwm nrog, piv txwv li, cov ntaub ntawv los ntawm lwm lub rooj nyob rau hauv ib tug relational database, los yog muaj feem xyuam rau cov ntaub ntawv nyob rau hauv ib tug cais system.

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