SQL/DB Interview Questions

Programmerworld

Iqukethe izikhangiso

Mayelana nalolu hlelo lokusebenza

SQL Imibuzo Inkhulumoluhlolo inikeza wena ezahlukene imibuzo engabuzwa ngesikhathi Interview. Isicelo izimpendulo ngokuvamile ukubuzwa interview futhi ubelokhu imikhakha for kalula.

Lolu hlelo lokusebenza uhlukile wokuthi kukusiza balukhulume imibuzo ngokuvamile wabuza, ngokugxilisa kuwe ukuqiniseka ukuthi wena kudingeka zikhuthazelele enzima kakhulu interviews. Isicelo sihlanganisa yonke imibuzo Common futhi futhi imibuzo eqondile kunoma database oluthile.

Uma ufuna ukuthenga umthombo Code xhumana nathi on [e-mail]

Izici:

Imibuzo 1. 164 ukuba alungiselele you phi hlobo of interview.
2. Ukuhlinzeka inketho for umsebenzisi ukuzijayeza / izimpendulo zakhe yakhe siqu njengoba nesicelo sakho asethule wakho nge mbuzo. Umsebenzisi ukucabanga Impendulo yakhe ke qhathanisa indlela Impendulo yakhe uhlukile impendulo yethu.
3. Imibuzo Inkhulumoluhlolo bekulokhu imikhakha ukuze bakhululeke yokusetshenziswa.
4. Hlola Umbuzo ovamile ke hlola mbuzo letsite ezihlobene dabase lokuzikhethela sakho.

SAMPLE IMIBUZO

U.) Uyini umahluko phakathi TRUNCATE ukucima imiyalo?
Ans: Bobabili kuyophumela nokusula zonke imigqa in the call etafuleni .TRUNCATE angeke iphuma emuva njengoba kuyinto umyalo DDL futhi bonke Isikhala inkumbulo for leso ithebula uyekele emuva iseva. TRUNCATE kuyinto faster.Whereas okuningi SUSA ikholi i umyalo DML futhi kungenziwa iphuma emuva.

U.) Siyini isihluthulelo candidate?
Ans: A ithebula angase abe ngaphezu elilodwa inhlanganisela amakhalamu ezingaholela ehlukile ukuhlonza imigqa in etafuleni; Inhlanganisela ngayinye ukhiye ukhetho.

Yini entsha

1.1.03
--Completely Redesign the app for modern user interface.
-- Bringing back show answer button
-- Fixed performance issues now even more faster