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Video: Dab tsi database kuv yuav tsum siv nrog node js?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Node . js txhawb nqa txhua yam databases tsis muaj teeb meem yog tias nws yog kev sib raug zoo database los yog NoSQL database . Txawm li cas los xij, NoSQL databases zoo li MongoDb yog qhov zoo tshaj plaws haum nrog Node . js.
Ntawm no, cov ntaub ntawv twg yog qhov zoo tshaj plaws rau JavaScript?
Qhov twg yog qhov zoo tshaj plaws database siv nrog node. js (express. js) [kaw]
- MongoDB.
- nco 4j.
- Oracle.
- PostgreSQL.
- Redis.
- SQL Server.
- SQLite.
- ElasticSearch.
Ib yam li ntawd, vim li cas peb thiaj siv MongoDB nrog node js? Node . js yog nrov ua siv hauv web applications vim nws cia cov daim ntawv thov khiav thaum nws tab tom nqa cov ntaub ntawv los ntawm backend server. Nws yog asynchronous, kev tshwm sim-tsav thiab pab tsim scalable web applications. MongoDB sawv cev rau cov ntaub ntawv raws li kev sau ntawm cov ntaub ntawv es tsis yog cov lus hais txog cov yuam sij txawv teb chaws.
Ib yam li ntawd, kuv tuaj yeem siv MySQL nrog node js?
Ib zaug koj muaj MySQL nce thiab khiav ntawm koj lub computer, koj ua tau nkag los ntawm siv Node . js . Nkag mus rau a MySQL database nrog Node . js , koj xav tau a MySQL tus tsav tsheb.
Dab tsi database siv JavaScript?
PouchDB yog qhov chaw qhib JavaScript database tshwm sim los ntawm Apache CouchDB uas yog tsim los ua haujlwm zoo hauv qhov browser. PouchDB tau tsim los pab cov neeg tsim web tsim cov ntawv thov uas ua haujlwm zoo li offline thaum lawv ua online.
Pom zoo:
Dab tsi datatype kuv yuav tsum siv rau tus lej xov tooj hauv SQL?
Khaws cov xov tooj hauv hom qauv siv VARCHAR. NVARCHAR yuav tsis tsim nyog vim peb tab tom tham txog cov lej thiab tej zaum ob peb lwm tus lej, xws li '+', ' ', '(', ')' thiab '-'
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Autofocus muaj ob hom sib txawv, uas koj yuav tsum tau teeb tsa ntawm lub koob yees duab. Cov no yog One-Shot AF (Canon) / Ib leeg-Servo AF (Nikon), thiab AI Servo AF (Canon) / Nruam-Servo AF (Nikon). Qhov kev xaiv Ib-Shot/Single-Servo yog qhov kev xaiv zoo tshaj plaws rau cov kev kawm nyob ruaj khov