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হোম›একাদশ-দ্বাদশ শ্রেণি›English Version›Information and Communication Technology›C-06 — Database Management System›C-06-Q031

C-06-Q031mediumsingle_mcq

Which attribute makes an 'id' column automatically increase its value by 1 each time a new row is added?

aPrimary key
bForeign key
cAuto increment
dNull value

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Jপরবর্তী

এই অধ্যায়ের আরও প্রশ্ন

C-06-Q032Consider the following statements about the student table: Which of the following is correct?
C-06-Q033Why is an 'id' column with auto increment commonly added when no suitable primary key exists?
C-06-Q034According to the chapter, what is true about a primary key in a relational database?
C-06-Q035Why can using class + section + roll number as a composite key cause a problem when keeping records of passed-
C-06-Q036Every adult in Bangladesh has a unique National Identification (NID) number. Why can the NID be used as a prim
C-06-Q037Database relation refers to the relation between —
C-06-Q038How many types of database relations are mentioned in the chapter?
C-06-Q039Which of the following is one of the three types of database relations?
C-06-Q040When we use the primary key of one table in another table, it is known as a —
C-06-Q041What creates the relation between two tables?

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