Video: Hom SQL twg BigQuery siv?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
BigQuery txhawb nqa ob SQL ntawv lus: standard SQL ntawv thiab keeb kwm SQL ntawv.
Ib yam li ntawd, koj tuaj yeem nug, yog BigQuery yog SQL lossis NoSQL?
BigQuery yog a SQL ntawv (txhawb SQL ntawv syntax) txawm hais tias nws tau txhawb nqa ntau zaus (nyob ntawm qhov siv rooj plaub) thaum tsim schema thiab thauj cov ntaub ntawv rau BigQuery kom denormalize nws (rau kev ua tau zoo dua) uas yog ib qho ntawm cov yam ntxwv ntawm NoSQL databases.
yog BigQuery lub tsev khaws ntaub ntawv? Cov cov ntaub ntawv hauv a lub tsev khaws khoom tej zaum yuav yog los ntawm ntau qhov chaw. BigQuery yog Google muab rau cov ntaub ntawv warehouse . Nws yog tsim los khaws thiab nug petabytes ntawm cov ntaub ntawv tsis tas koj yuav teeb tsa thiab tswj txhua qhov chaw ua haujlwm. Txawm li cas los xij, nws tsis yog kev lag luam database.
Ib yam li ntawd, nws tau nug, BigQuery yog dab tsi?
BigQuery yog tsim los nug cov ntaub ntawv tsim thiab ib nrab qauv siv tus qauv SQL. Nws yog qhov zoo tshaj plaws rau cov lus nug kev ua tau zoo thiab muab cov txiaj ntsig zoo heev. BigQuery yog huab- raws tag nrho-tswj kev pab cuam uas txhais tau hais tias tsis muaj kev khiav hauj lwm overhead.
Puas yog BigQuery kev sib raug zoo?
BigQuery yog REST-based web service uas tso cai rau koj los khiav cov lus nug nyuaj SQL-raws li cov ntaub ntawv loj. Koj yuav tsum to taub qhov ntawd BigQuery tsis tuaj yeem siv los hloov a kev sib raug zoo database, thiab nws yog taw qhia ntawm kev ua haujlwm analytical queries, tsis yog rau CRUD cov haujlwm yooj yim thiab cov lus nug.
Pom zoo:
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