Key to represent relationship between tables is called

A primary key
B secondary key
C foreign key
D none of these

Correct Answer: foreign key

রিলেশনাল টেবিলের ক্ষেত্রে কোনো একটা টেবিলের প্রাইমারী কী যদি অন্য টেবিলে ব্যবহৃত হয় তখন ঐ কী - কে ফরেন কি বলে। ফরেন কির সাহায্যে একটি টেবিলের সাথে অন্য টেবিলের সম্পর্ক স্থাপন করা হয়।
Bissoy MCQ
#তথ্য প্রযুক্তি #ডেটাবেজ (Database) #Janata Bank Ltd #Janata Bank Ltd - Executive Officer (Af) - 24.03.2017

Related Questions

The price of 10 chairs is equal to that of 4 tables . The price of 15 chairs and 2 tables together is Tk. 4000. The total price of 12 chairs and 3 tables is-
A TK. 3500
B Tk. 3750
C Tk. 3840
D None of these
When a foreign key column is created without a corresponding foreign key constraint, we have created a "casual relationship" between the two tables.
A True
B False
The price of 3 tables and 4 chairs is Tk. 3300. with the same money one can buy 2 tables and 10 chairs. If one wants to buy In 1 table and 1 chair , how much does he need to pay?
A Tk. 940
B Tk. 1050
C Tk. 1040
D Tk. 950
If 2 tables and 3 chairs cost Tk. 3500 and 3 tables and 2 chairs cost Tk. 4000, then how much does table cost?
A Tk. 500
B Tk. 750
C Tk. 1000
D Tk. 15000
Which of the following is not the value the key property will hold if the key is a function key?
A F8
B F2
C F9
D Left
When assigning a shortcut key to a symbol, you should always try to select a key or key combination that is:
A Unassigned
B Located on the ten-key pad section of your keyboard.
C Assigned to another task.
D From the same font family as the symbol.
A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as
A sunk key
B flat saddle key
C hollow saddle key
D tangent key
When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be
A 0.8 d
B 1.2 d
C 1.57 d
D 1.8 d
(i) The facts speak for themselves so they need exposition only, not demonstration. (ii) At present , it is widely recognized that the Indian subcontinent holds the balance in world wide competition between rival ideologies. (iii) It is not of course , only in geographical perspective that the subcontinent is in a key position. (iv) The subcontinents's key position simply needs pointing out.
A (iv) + (ii) + (i) + (iii)
B (ii) + (iii) + (iv) + (i)
C (ii) + (iv) + (iii) + (i)
D (iii) + (i) + (ii) + (iv)
To represent a family budget on a circle graph, how many degrees of the circle should be used to represent an item that is 20% of the total budget?
A 60 degree
B 62 degree
C 70 degree
D 72 degree

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