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হোম›একাদশ-দ্বাদশ শ্রেণি›English Version›Information and Communication Technology›C-06 — Database Management System›C-06-Q083

C-06-Q083mediumsingle_mcq

Why should regular and frequent backups of a database be generated?

aTo make queries faster
bTo ensure the safety of data so there is no data loss
cTo increase RAM size
dTo remove the primary key

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83/143

Jপরবর্তী

এই অধ্যায়ের আরও প্রশ্ন

C-06-Q084Erroneous data caused by issues of hardware, software or networks is known as —
C-06-Q085Why are backups usually stored in separate physical drives?
C-06-Q086Why are data centers usually located in different geological locations?
C-06-Q087Consider the following statements about database security: Which of the following is correct?
C-06-Q088According to the chapter, which databases offer many types of extensive security protections, unlike SQLite?
C-06-Q089The branch of computer science that deals with data encryption is known as —
C-06-Q090In encryption, what is the original (unencrypted) data called?
C-06-Q091The encrypted data is called —
C-06-Q092Which Roman emperor is mentioned as having encoded his letters so only the receiver could decode them?
C-06-Q093Encryption systems are mainly of which two types?

C-06 — Database Management System — সব প্রশ্ন দেখুন (143টি) →