Cov txheej txheem:
Video: Kuv yuav nug NoSQL li cas?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
DynamoDB yog kev tswj hwm tag nrho NoSQL database uas txhawb nqa cov ntaub ntawv thiab cov khoom tseem ceeb ntawm cov qauv.
Tsim thiab nug NoSQL Table
- Kauj ruam 1: Tsim ib NoSQL Rooj.
- Kauj ruam 2: Ntxiv cov ntaub ntawv rau lub NoSQL Rooj.
- Kauj Ruam 3: Lus nug tus NoSQL Rooj.
- Kauj ruam 4: Rho tawm ib yam khoom uas twb muaj lawm.
- Kauj ruam 5: Rho tawm a NoSQL Rooj.
Tsuas yog li ntawd, koj tsim cov lus nug yooj yim li cas?
Txhawm rau tsim cov lus nug yooj yim ib- rooj:
- Xaiv qhov Tsim tab ntawm Ribbon, thiab nrhiav pawg Queries.
- Nyem qhov Query Design hais kom ua.
- Kev nkag mus yuav hloov mus rau Query Design view.
- Nyem Ntxiv, ces nyem Kaw.
- Cov lus xaiv yuav tshwm sim raws li lub qhov rais me me hauv Object Relationship pane.
NoSQL piv txwv yog dab tsi? NoSQL yog DMS uas tsis muaj kev sib raug zoo, uas tsis tas yuav tsum muaj lub tswv yim ruaj khov, tsis txhob koom nrog, thiab yooj yim los ntsuas. NoSQL database yog siv rau faib cov ntaub ntawv khw muag khoom nrog humongous cov ntaub ntawv xav tau kev pab. Rau piv txwv , cov tuam txhab xws li Twitter, Facebook, Google uas sau terabytes ntawm cov neeg siv cov ntaub ntawv txhua hnub.
Kuj Paub, yog NoSQL ib hom lus?
Ntau npaum li cas Javascript tsim nyog rau kev ua cov vev xaib zoo siab thiab ntau dua li nplooj ntawv zoo li qub, SQL yog ib qho ntawm ob qho xwb. yam lus sib txuas lus nrog databases. NoSQL yog lwm txoj kev. Thaum SQL yog ib lus siv los tham nrog SQL databases, NoSQL yog siv los tham nrog NoSQL databases (tsis xav tsis thoob).
Dab tsi yog qhov txawv ntawm SQL thiab NoSQL?
Ntsiab Qhov sib txawv ntawm SQL thiab NoSQL SQL Database yog Relational Database thiab ib qho kev sib koom ua ke NoSQL yog cov ntaub ntawv tsis muaj feem cuam tshuam yuav yog cov ntaub ntawv ntau dua thiab faib ntau dua li kev tsim kho. NoSQL siv cov ntaub ntawv hierarchical cia, thiab tsis muaj cov ntaub ntawv hierarchical cia rau SQL ntawv.
Pom zoo:
Yuav ua li cas koj tuaj yeem txav qhov taw tes nrawm nrawm mus rau qhov pib ntawm cov lus nug cov lus nug?
T lossis F: Nias Ctrl + txoj cai xub yuam sij kom txav qhov taw tes rau qhov pib ntawm lo lus tom ntej
Cov lus nug zoo li cas lawv nug hauv qhov kev xeem bar?
Muaj xya yam kev sim (Civil Procedure, Contracts and Sales, Criminal Law & Procedure, Constitutional Law, Pov thawj, Real Property, and Torts). Koj muaj 6 teev tag nrho los teb cov lus nug no 200
Cov lus nug dab tsi koj xav nug cov thawj coj hauv network txog lawv txoj haujlwm?
Network Administrator Job Interview Questions Koj nyob li cas tam sim no nrog koj cov kev txawj ntse thiab kev txawj ntse? Koj puas koom nrog ib pawg neeg siv online? Piav koj qhov kev nyuaj siab tshaj plaws thiab koj tau ua li cas. Koj qhov kev paub ntawm kev tswj hwm kev teeb tsa yog dab tsi? Koj lub tsev network teeb tsa zoo li cas? Koj yuav khaws koj lub network li cas?
Kuv yuav rov qab tau kuv cov lus nug kev ruaj ntseg hauv Gmail li cas?
Nyem lub iav icon nyob rau sab saum toj ntawm txhua nplooj ntawv Gmail thiab xaiv Mail chaw. Nyem Accounts thiab Ntshuam. Nyem Hloov pauv lo lus zais rov qab xaiv hauv ntu 'Changeaccount settings'. Nyem Kho kom raug nyob rau hauv 'Security Question'. Ua kom tiav daim ntawv thiab nyem Txuag los ua koj cov kev hloov pauv
Yuav ua li cas koj sau cov lus nug hauv lub zog lus nug?
Thawj kauj ruam hauv kev tsim koj tus kheej Power Query tsab ntawv yog ntxiv cov lus nug dawb paug rau Power BI Desktop. Txhawm rau ntxiv cov lus nug, nyem Tau Cov Ntaub Ntawv ntawm Lub Tsev ribbon nyob rau hauv lub qhov rai tseem ceeb, mus rau Lwm ntu, thiab nyem ob npaug rau Blank Query. Qhov no tso tawm Query Editor nrog cov lus nug tshiab uas teev nyob rau hauv Queries pane