A column or a combination of columns that can be used to identify one or more rows (tuples) in a table is called a ___________ of the table.
(A) Key
(B) Primary Key
(C) Foreign Key
(D) Table
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One dimensional array may have…….. A. Only columns B. Only rows C. Only one cell D. Both columns and rows
Correct option is: D. Both columns and rows
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Each entry in Column X is in some way related to the entries in Columns Y and Z. Match the approiate entries. `{:("Column X","Column Y","Column Z"),(A
Correct Answer - `Ararrq,o;Brarrp,n;Crarrr,m`
2 Answers 1 views
Column - I and Column - II contains four emtries each. Entries of Column -I are to be matched with some entries of Column - II . One or more than one
Correct Answer - `Ato P,S; Bto P; C to Q,R; D to Q`
2 Answers 1 views
In the periodic table, vertical columns of elements are called _______ and horizontal rows of elements are called _______.
Correct Answer - groups, periods
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___________ consists of columns and rows.
1. Table 2. Database
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The group of one or more columns used to uniquely identify each row of a relation is called its ___________
1. Primary Key 2. Foreign Key
2 Answers 1 views
Match the items in column (A) with column (B). Each point in column (A) has minimum one match in column (B) and maximum two matches `{:("Column (A)","
Correct Answer - `1.(f)(h);2.(e)(g);3.(d);4.(a);5.(c);6.(b)`
2 Answers 1 views
Match the items in column (A) with column (B). Each point in column (A) has minimum one match in column (B) and maximum three matches. `{:("Column(A)"
Correct Answer - 1. (e) (g) ; 2. (c ) ; 3. (d) (h) ; 4. (b) ; 5. (a).
2 Answers 1 views
Match the items given in column I with appropriate items (one or more ) of column II . `{:("Column" I , , "Column" II),((i)"Cacti" ,, (a) "Sciophytes"
Correct Answer - (i) f (ii) a (iii) b , g (iv) e (v) a (vi) d
2 Answers 1 views
Match theitems given in column I with those given (one or more ) in column II . `{:("Column" I ,, "Column" II) , ((i) "Crustose lichen" ,, (a) "Commen
Correct Answer - (i) c (ii) a , f(iii) b (iv) e (v) d
2 Answers 1 views