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হোম›একাদশ-দ্বাদশ শ্রেণি›English Version›Information and Communication Technology›C-06 — Database Management System›C-06-Q141

C-06-Q141mediumsingle_mcq

What is a ciphertext?

aThe original readable data
bThe encrypted form of the original data
cA primary key column
dA backup file

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141/143

Jপরবর্তী

এই অধ্যায়ের আরও প্রশ্ন

C-06-Q142Why does INSERT, UPDATE and DELETE take more time after a database is indexed?
C-06-Q143What should be kept in mind while creating a database for the government? Which of the following is correct?
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C-06-Q134Two voter database files share name and date of birth. How can a relation between them best be made?
C-06-Q135What is an RDBMS?
C-06-Q136Two tables — an employee ID table and a designation/salary table — can be linked. To create a relation, what s
C-06-Q137What is a corporate database (ERP context)?
C-06-Q138Why is data security important in a database?
C-06-Q139To insert a new column between two existing columns of a table, what must generally be done?
C-06-Q140A Student-info table and a result table both contain Roll, where one student has many subject results. What re

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