2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Qee qhov nrov NoSQL databases yog MongoDB, Apache Cassandra, Redis, Couchbase thiab Apache HBase. Muaj plaub yam uas tsis muaj kev sib raug zoo: cov ntaub ntawv khaws cia, kab ntawv qhia chaw, khw muag khoom tseem ceeb thiab daim duab database. Feem ntau ua ke ntawm cov hom no yog siv rau ib daim ntawv thov.
Dab tsi yog qhov sib txheeb database?
Lawv yog cov ntaub ntawv taw qhia. NoSQL lossis non-relational databases piv txwv: MongoDB, Apache Cassandra, Redis, Couchbase thiab Apache HBase. Lawv yog qhov zoo tshaj plaws rau Rapid Application Development. NoSQL yog qhov kev xaiv zoo tshaj plaws rau cov ntaub ntawv hloov tau yooj yim nrog me me kom tsis muaj kev txwv.
Qhov twg hauv qab no yog cov ntaub ntawv sib raug zoo?
Piv txwv ntawm kev sib raug zoo databases
Cov piv txwv nrov ntawm cov qauv kev sib raug zoo databases suav nrog Microsoft SQL Server, Oracle Database, MySQL thiab IBM DB2.
Puas MongoDB puas yog cov ntaub ntawv tsis cuam tshuam?
MongoDB. MongoDB yog lub khw muag ntaub ntawv thiab tam sim no nrov tshaj plaws NoSQL database cav siv. Nws siv cov ntaub ntawv zoo li JSON los khaws cov ntaub ntawv thiab khiav hla ntau lub servers.
Puas MongoDB kev sib raug zoo database?
Raws li NoSQL kev daws teeb meem, MongoDB tsis tas yuav muaj kev sib raug zoo ntawm kev tswj hwm cov ntaub ntawv(RDBMS), yog li nws muab cov qauv khaws cov ntaub ntawv elastic uas ua rau cov neeg siv khaws cia thiab nug cov ntaub ntawv sib txawv. yam yooj yim.
Pom zoo:
Cov ntaub ntawv tsis sib raug zoo twg muaj los ntawm aws?
Types of NoSQL Databases Offered on AWS AWS service: Amazon DynamoDB. AWS service: Amazon DocumentDB, DynamoDB. AWS service: Amazon Keyspaces (for Apache Cassandra) AWS service: Amazon Neptune. AWS service: Amazon Timestream. AWS service:
Qhov twg ntawm cov haujlwm hauv qab no yog qhov ua haujlwm tsis muaj ntaub ntawv?
printf thiab scanf yog cov piv txwv rau formatted input thiab output functions thiab getch, getche, getchar, gets, puts, putchar thiab lwm yam yog cov piv txwv ntawm unformatted input output functions. Tus qauv input-output header ntaub ntawv, npe hu ua stdio.
Puas yog cov ntaub ntawv sib tw cov ntaub ntawv raug cai?
Kev tsim "Cov ntaub ntawv cog lus" yog cov ntaub ntawv sau uas txhais lub luag haujlwm, kev lav phib xaub, thiab "Ua haujlwm" raws li Daim Ntawv Cog Lus Tsim Kho, thiab raug cai lij choj rau ob tog (Tswj thiab tus neeg cog lus).
Thaum cov ntaub ntawv raug kaw qhov twg yog qhov kev txiav txim raug?
18. Thaum cov ntaub ntawv encapsulated, qhov twg yog qhov tseeb? Piav: Txoj kev encapsulation yog data, ntu, pob ntawv, ncej, me ntsis. Thaum cov ntaub ntawv raug kaw uas yog qhov kev txiav txim kom raug? Data, ntu, pob ntawv, ncej, khoom.
Qhov twg hauv qab no tsis raug rau cov ntawv thov sib piv?
Qhov twg hauv qab no tsis raug rau pneumatic sib piv? Kev piav qhia: Hauv kev sib piv pneumatic, muaj tsis muaj kev sib cuag nrog lub cev nrog qhov ntsuas ntsuas lossis qhov ntsuas. Vim li no, tsis muaj qhov poob ntawm qhov tseeb vim qhov ntsuas ntsuas.
