Video: Koj txhais li cas los ntawm DBMS & Rdbms?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
nce vote1. DBMS : yog ib qho software uas tso cai rau Defining, Creation, Querying, Update, thiab Administration ntawm cov ntaub ntawv khaws cia nyob rau hauv cov ntaub ntawv cov ntaub ntawv. RDBMS :yog a DBMS uas yog raws li Relational qauv uas khaws cov ntaub ntawv hauv daim ntawv tabular. SQL Server, Sybase, Oracle, MySQL, IBM DB2, MS Access, thiab lwm yam.
Xav txog qhov no, koj txhais li cas los ntawm Rdbms?
Stands rau " Relational Database Management System." Ib RDBMS yog DBMS tsim tshwj xeeb rau kev sib txheeb databases. Yog li ntawd, RDBMSes yog subset ntawm DBMSes. A kev sib txheeb database yog hais txog cov ntaub ntawv khaws cov ntaub ntawv hauv cov qauv tsim, siv cov kab thiab kab.
Ib tug kuj yuav nug, dab tsi yog hom Rdbms? Kev tshuaj xyuas ntawm txawv Database Hom : Relational versus Non-Relational. Relational databases kuj hu ua Relational Database Management Systems ( RDBMS ) lossis SQL databases. Keeb kwm, qhov nrov tshaj plaws ntawm cov no yog Microsoft SQL Server, Oracle Database, MySQL, thiab IBM DB2.
Tom qab ntawd, DBMS yog dab tsi & Rdbms yog dab tsi thiab qhov txawv ntawm ob qho tib si?
KEV DIFFERENCE DBMS khaws cov ntaub ntawv ua ib cov ntaub ntawv whereas hauv RDBMS , cov ntaub ntawv khaws cia hauv daim ntawv ntawm rooj. DBMS txhawb tib neeg siv, thaum RDBMS txhawb ntau tus neeg siv. DBMS tsis txhawb cov neeg siv khoom-neeg rau zaub mov architecture tab sis RDBMS txhawb cov neeg siv-server architecture.
Tus yuam sij txawv teb chaws hauv DBMS yog dab tsi?
A txawv teb chaws key yog ib kem lossis pab pawg kab hauv cov rooj sib tham database uas muab kev sib txuas ntawm cov ntaub ntawv hauv ob lub rooj. Lub tswvyim ntawm referential kev ncaj ncees yog muab los ntawm txawv teb chaws key kev xav. Cov yuam sij txawv teb chaws thiab lawv qhov kev siv yog qhov nyuaj tshaj qhov tseem ceeb cov yuam sij.
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