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হোম›একাদশ-দ্বাদশ শ্রেণি›English Version›Information and Communication Technology›C-06 — Database Management System›C-06-Q027

C-06-Q027mediumsingle_mcq

If a record field is kept blank, how does the database treat it?

aAs a zero
bAs an empty string
cAs a null value
dAs an error

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