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5
answers
1
GATE CSE 1990 | Question: 3-ii
Indicate which of the following statements are true: A relational database which is in $3$NF may still have undesirable data redundancy because there may exist: Transitive functional dependencies Non-trivial functional dependencies ... dependencies involving prime attributes only on the left-side. Non-trivial functional dependencies involving only prime attributes.
commented
in
Databases
Mar 13, 2020
14.4k
views
gate1990
normal
databases
database-normalization
multiple-selects
6
answers
2
GATE IT 2004 | Question: 75
A relation $\text{Empdtl}$ ... and $\textsf{1NF}$ $\textsf{BCNF}$ and hence also in $\textsf{3NF}$, $\textsf{2NF}$ and $\textsf{1NF}$
commented
in
Databases
Mar 13, 2020
17.6k
views
gateit-2004
databases
database-normalization
normal
2
answers
3
GATE CSE 2000 | Question: 21
(a) Suppose you are given an empty $B^+$ tree where each node (leaf and internal) can store up to $5$ key values. Suppose values $1, 2,\ldots 10$ are inserted, in order, into the tree. Show the tree pictorially after $6$ insertions, and ... what approximately is the average number of keys in each leaf level node. in the normal case, and with the insertion as in (b).
commented
in
Databases
Feb 26, 2020
3.9k
views
gatecse-2000
databases
b-tree
normal
descriptive
5
answers
4
GATE CSE 1997 | Question: 19
A $B^+$ - tree of order $d$ is a tree in which each internal node has between $d$ and $2 d$ key values. An internal node with $M$ key values has $M + 1$ children. The root (if it is an internal node) has between $1$ and $2d$ key values. The distance ... $4$ with $52$ leaves? What is the minimum number of leaves in a $B^+$-tree of order $d$ and height $h(h\geq 1)$?
comment reshown
in
Databases
Feb 26, 2020
14.9k
views
gate1997
databases
b-tree
normal
descriptive
3
answers
5
GATE CSE 2020 | Question: 1
Consider the functions $e^{-x}$ $x^{2}-\sin x$ $\sqrt{x^{3}+1}$ Which of the above functions is/are increasing everywhere in $[ 0,1]$? Ⅲ only Ⅱ only Ⅱ and Ⅲ only Ⅰ and Ⅲ only
commented
in
Calculus
Feb 12, 2020
12.1k
views
gatecse-2020
engineering-mathematics
calculus
maxima-minima
1-mark
6
answers
6
GATE CSE 2020 | Question: GA-2
His knowledge of the subject was excellent but his classroom performance was_______. extremely poor good desirable praiseworthy
answered
in
Verbal Aptitude
Feb 12, 2020
5.8k
views
gatecse-2020
verbal-aptitude
english-grammar
meaning
1-mark
5
answers
7
TIFR CSE 2016 | Part B | Question: 1
A Boolean formula is said to be a $tautology$ if it evaluates to TRUE for all assignments to its variables. Which one of the following is NOT a tautology? $(( p \vee q) \wedge (r \vee s)) \Rightarrow (( p \wedge r) \vee q \vee s)$ ... $(( p \vee q ) \wedge ( r \vee s)) \Rightarrow ( p \vee q)$
commented
in
Mathematical Logic
Dec 17, 2019
2.1k
views
tifr2016
mathematical-logic
propositional-logic
4
answers
8
GATE CSE 1988 | Question: 11
A number of processes could be in a deadlock state if none of them can execute due to non-availability of sufficient resources. Let $P_i, 0 \leq i \leq 4$ represent five processes and let there be four resources types $r_j, 0 \leq j \leq 3$. Suppose the following ... Is the system currently in a safe state? If yes, explain why.
commented
in
Operating System
Dec 7, 2019
3.0k
views
gate1988
normal
descriptive
operating-system
resource-allocation
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