Cov txheej txheem:
Video: Daim ntawv qhia sib txawv Informatica yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
A daim ntawv qhia sib txawv sawv cev rau tus nqi uas tuaj yeem hloov pauv los ntawm kev sib kho. Cov Kev Pabcuam Kev Sib Txuas Txuag tus nqi ntawm a daim ntawv qhia sib txawv mus rau qhov chaw cia khoom thaum kawg ntawm txhua qhov kev sib tham ua tiav thiab siv qhov muaj txiaj ntsig rau lwm zaus thaum peb khiav qhov kev sib kho.
Dhau li ntawd, yuav ua li cas daim ntawv qhia sib txawv yog siv hauv Informatica nrog piv txwv?
Piv txwv piv txwv siv kev sib txawv hauv Informatica
- Nkag mus rau tus tsim daim duab kos duab. Tsim ib daim ntawv qhia tshiab.
- Tsim ib daim ntawv qhia kev sib txawv.
- Luag cov ntaub ntawv tiaj tus mus rau hauv daim ntawv qhia.
- Tsim ib qho kev nthuav qhia kev hloov pauv thiab rub cov chaw nres nkoj ntawm qhov chaw tsim nyog hloov pauv mus rau hauv kev nthuav qhia kev hloov pauv.
- Hauv qhov kev hloov pauv, tsim cov chaw nres nkoj hauv qab no.
Tsis tas li ntawd, Informatica daim ntawv qhia yog dab tsi? Daim ntawv qhia hauv Informatica yog cov qauv ntws ntawm cov ntaub ntawv los ntawm qhov chaw mus rau lub hom phiaj los ntawm kev hloov pauv (lossis) nws yog lub raj xa dej uas qhia txog yuav ua li cas ntws cov ntaub ntawv los ntawm qhov chaw mus rau lub hom phiaj. Daim ntawv qhia yog ib qho ntawm cov ntsiab lus tseem ceeb hauv Informatica code. A daim ntawv qhia nrog cov kev cai lag luam tawm yog paub tias yog Flat daim ntawv qhia.
Yog li ntawd, dab tsi yog qhov kev siv ntawm daim ntawv qhia tsis thiab hloov pauv hauv Informatica?
Siv daim ntawv qhia tsis los yog sib txawv nyob rau hauv lub lim lim ntawm qhov Source Qualifier transformation los txiav txim qhov pib timestamp thiab kawg timestamp rau incrementally extracting cov ntaub ntawv. A daim ntawv qhia parameter sawv cev rau tus nqi tas li uas koj tuaj yeem txhais ua ntej ua haujlwm.
Dab tsi yog thiab $$ hauv Informatica?
Qhov tseeb $ txhais tau hais tias sab hauv Parameter/Variable (xws li $ DBConnection prefix lossis $PMSessionLogDir) whereas $$ yog siv rau cov neeg siv-txhais tsis tau lossis hloov pauv (uas tuaj yeem txhais tau ntawm daim ntawv qhia lossis kev ua haujlwm / qib ua haujlwm).
Pom zoo:
Dab tsi yog qhov sib txawv ntawm cov ntaub ntawv sib sau ua ke thiab cov ntaub ntawv tsis sib xws?
Kev sib sau cov ntaub ntawv yog sau thiab sau cov ntaub ntawv; kom disaggregate cov ntaub ntawv yog rhuav tshem cov ntaub ntawv sib sau ua ke rau hauv cov khoom siv lossis cov ntaub ntawv me me
Dab tsi yog qhov txawv ntawm daim duab radar thiab daim ntawv qhia khoom?
Cov kab kos duab yog tsim los tso saib cov ntaub ntawv ua lag luam. Radar kab kos yog qhov zoo tshaj plaws rau kev qhia qhov tseem ceeb txheeb ze rau qhov chaw nruab nrab thiab yog qhov tsim nyog rau kev qhia tshwj xeeb rau qhov sib txawv
Dab tsi yog qhov sib txawv ntawm kev sib txuas lus taw qhia thiab kev sib txuas tsis raug cai?
Qhov txawv: Kev sib txuas lus taw qhia thiab kev sib txuas tsis muaj kev sib txuas Kev sib txuas lus taw qhia kev sib txuas ua rau muaj kev sib txuas thiab xyuas seb cov lus puas tau txais lossis tsis tau thiab xa rov qab yog tias muaj qhov yuam kev tshwm sim, thaum qhov kev pabcuam tsis sib txuas tsis tau lees tias xa xov
Dab tsi yog qhov sib txawv ntawm lub thawv thiab lub thawv ntawv thiab lub thawv ntawv yog dab tsi?
Ib lub thawv thiab cov ntawv nplawm (qee zaum hu ua boxplot) yog ib daim duab uas nthuav tawm cov ntaub ntawv los ntawm tsib lub ntsiab lus. Nyob rau hauv ib lub thawv thiab whisker zajlus: qhov kawg ntawm lub thawv yog lub sab sauv thiab sab quartiles, yog li lub thawv spans lub interquartile ntau yam. qhov nruab nrab yog cim los ntawm ib txoj kab ntsug hauv lub thawv
Dab tsi yog qhov sib txawv tseem ceeb ntawm kev sib txuas lus tsis sib xws thiab kev sib txuas lus taw qhia?
1. Hauv kev sib txuas lus tsis muaj kev sib txuas lus tsis tas yuav tsim kev sib txuas ntawm qhov chaw (sender) thiab qhov chaw (receiver). Tab sis nyob rau hauv kev sib txuas-taw qhia kev sib txuas lus kev sib txuas lus yuav tsum tau tsim ua ntej hloov cov ntaub ntawv