Video: Kuv yuav thauj cov ntaub ntawv JSON li cas rau hauv DynamoDB?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2024-01-18 08:24
Rau txhua tus ntaub ntawv , koj siv tus AWS CLI kom thauj khoom cov ntaub ntawv hauv DynamoDB.
Download tau Cov Ntaub Ntawv Cov Ntaub Ntawv Archive
- Download tau cov qauv ntaub ntawv archive (sampledata. zip) siv qhov txuas no: sampledata. zip.
- Extract cov. json cov ntaub ntawv cov ntaub ntawv los ntawm lub archive.
- Luam the. json cov ntaub ntawv cov ntaub ntawv rau koj cov directory tam sim no.
Ntawm no, DynamoDB puas txhawb JSON?
Kev them nyiaj yug DynamoDB JSON . Qhov tseeb Amazon DynamoDB hloov tshiab ntxiv kev txhawb nqa rau JSON cov ntaub ntawv, ua kom yooj yim khaws cia JSON cov ntaub ntawv hauv a DynamoDB lub rooj thaum khaws cia lawv cov complex thiab tejzaum nws nested zoo. Tam sim no, lub AWS SDK rau. NET tau ntxiv haiv neeg Kev them nyiaj yug JSON , yog li koj ua tau siv raw JSON cov ntaub ntawv thaum ua haujlwm nrog DynamoDB.
Kuj Paub, koj tuaj yeem khaws cov duab hauv DynamoDB? 2 Teb. Ntev teb: DynamoDB txwv tus kheej cov ntaub ntawv rau 64 KB, yog li koj tej zaum ua tau tsis siv DynamoDB tsuas yog koj duab tseem me me. DynamoDB yog qis latency tshaj S3, thiab nws txhawb configurable throughput. Txawm li cas los xij, S3 txhawb nqa ntau npaum li qhov sib npaug koj xav tawm ntawm lub thawv.
Ntawm no, kuv yuav import cov ntaub ntawv CSV rau hauv DynamoDB li cas?
Qhov blog no piav txog ib qho ntawm ntau txoj hauv kev thauj a csv ua cov ntaub ntawv file into AWS dynamodb database.
Load csv to AWS dynamoDB
- Kauj ruam 1: Load csv cov ntaub ntawv rau hauv S3. Peb yuav thauj cov ntaub ntawv csv yooj yim uas muaj cov ntaub ntawv neeg ua haujlwm.
- Kauj ruam 2: Teeb lub rooj hauv DynamoDB.
- Kauj ruam 3 Create AWS Lambda function.
- Kauj ruam 4 Sau AWS Lambda muaj nuj nqi.
Tableau tuaj yeem txuas rau DynamoDB?
Amazon Dynamodb yog NoSQL database & kuv xav tias tsis muaj txoj hauv kev txuas nws rau Tableau . Hauv Tableau peb tuaj yeem txuas tau nws nrog Amazon RDS & Amazon Redshift.
Pom zoo:
Kuv yuav hloov cov ntaub ntawv tab delimited rau cov ntaub ntawv csv li cas?
Mus rau cov ntawv qhia zaub mov, xaiv 'OpenCSVTab-Delimited File' (lossis tsuas yog nias Ctrl + O), thiab tom qab ntawd los ntawm lub thawv qhib, xaiv cov ntaub ntawv tab-delimited qhib. Koj tuaj yeem luam cov tab-delimited txoj hlua mus rau clipboard thiab tom qab ntawd siv 'Qhib Cov Ntawv Hauv Cov Ntawv Teev Npe' xaiv (Ctrl + F7)
Kuv yuav ua li cas thauj cov ntaub ntawv ntau hauv Salesforce?
Walkthrough rau Bulk Insert Tsim cov ntaub ntawv CSV uas muaj koj cov ntaub ntawv. Siv cov cuab yeej uas koj nyiam tshaj plaws, tsim cov ntaub ntawv CSV uas muaj cov ntaub ntawv koj xav tau ntxig. Tsim ib txoj hauj lwm. Txhawm rau ua txhua yam haujlwm API 2.0, xws li ntxig lossis hloov kho cov ntaub ntawv, koj xub tsim ib txoj haujlwm. Upload koj cov ntaub ntawv CSV. Kaw txoj hauj lwm. Tshawb xyuas cov xwm txheej ua haujlwm thiab cov txiaj ntsig
Vim li cas kem taw qhia cov ntaub ntawv khaws cia ua cov ntaub ntawv nkag ntawm disks sai dua li kab qhia cov ntaub ntawv khaws cia?
Kem oriented databases (aka columnar databases) yog qhov tsim nyog rau kev ntsuas kev ua haujlwm ntau dua vim tias cov ntaub ntawv hom ntawv (kem hom) qiv nws tus kheej kom nrawm dua cov lus nug ua - scans, aggregation thiab lwm yam. Ntawm qhov tod tes, kab oriented databases khaws ib kab (thiab tag nrho nws. kab) contiguously
Yuav ua li cas rau txim nyob rau hauv Is Nrias teb rau nyiag computer cov ntaub ntawv cov cuab tam los yog tej software qhov chaw code los ntawm ib tug neeg lub koom haum los yog los ntawm lwm yam txhais tau tias?
Kev piav qhia: Kev rau txim hauv Is Nrias teb rau kev nyiag cov ntaub ntawv hauv computer, cov khoom muaj nqis lossis ib qho software cov cai los ntawm ib lub koom haum, ib tus neeg, lossis los ntawm lwm txoj kev yog raug kaw 3 xyoo thiab raug nplua ntawm Rs. 500,000
Kuv yuav ntxig cov ntaub ntawv WAV rau hauv cov ntaub ntawv Word li cas?
Ntxig ib lub suab ntaub ntawv rau hauv koj cov ntaub ntawv txoj hauj lwm qhov ntxig taw tes uas koj xav kom lub soundinserted. Xaiv Object los ntawm Insert. Worddisplays Object dialog box. Nyem rau ntawm Tsim los ntawm Cov Ntaub Ntawv tab. (Saib daim duab 1.) Siv cov kev tswj ntawm lub dialog box los nrhiav cov ntaub ntawv suab uas koj xav tau nrog rau koj cov ntaub ntawv. Nyem rau OK