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Self Doubt:
What would be the number of super keys for a relation R with “n” attributes? NOTE: Any attribute can be the candidate key.
What would be the number of super keys for a relation R with “n” attributes? NOTE: Any attribute can be the candidate key.
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GATE2014 EC-4: GA-10
A five digit number is formed using the digits $1,3,5,7$ and $9$ without repeating any of them. What is the sum of all such possible five digit numbers? $6666660$ $6666600$ $6666666$ $6666606$
A five digit number is formed using the digits $1,3,5,7$ and $9$ without repeating any of them. What is the sum of all such possible five digit numbers?$6666660$ $6666600...
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GATE ECE 2021 | GA Question: 1
The current population of a city is $11,02,500$ . If it has been increasing at the rate of $5\%$ per annum, what was its population $2$ years ago? $9,92,500$ $9,95,006$ $10,00,000$ $12,51,506$
The current population of a city is $11,02,500$ . If it has been increasing at the rate of $5\%$ per annum, what was its population $2$ years ago?$9,92,500$$9,95,006$$10,...
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GATE2013 AE: GA-2
The Headmaster ___________ to speak to you. Which of the following options is incorrect to complete the above sentence? is wanting wants want was wanting
The Headmaster ___________ to speak to you. Which of the following options is incorrect to complete the above sentence? is wanting wants want was wanting
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GATE CSE 1995 | Question: 1.24
The rank of the following $(n+1) \times (n+1)$ matrix, where $a$ ... $1$ $2$ $n$ Depends on the value of $a$
The rank of the following $(n+1) \times (n+1)$ matrix, where $a$ is a real number is $$ \begin{bmatrix} 1 & a & a^2 & \dots & a^n \\ 1 & a & a^2 & \dots & a^n \\ \vdots ...
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GATE IT 2005 | Question: 22
A table has fields $F_1, F_2, F_3, F_4, F_5$ with the following functional dependencies $F_1 \to F_3, F_2\to F_4, (F_1 . F_2) \to F_5$ In terms of Normalization, this table is in $1\;\text{NF}$ $2\;\text{NF}$ $3\;\text{NF}$ None of these
A table has fields $F_1, F_2, F_3, F_4, F_5$ with the following functional dependencies $F_1 \to F_3, F_2\to F_4, (F_1 . F_2) \to F_5$In terms of Normalization, this ...
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GATE2019 EE: GA-4
It takes two hours for a person $X$ to mow the lawn. $Y$ can mow the same lawn in four hours. How long (in minutes) will it take $X$ and $Y,$ if they work together to mow the lawn$?$ $60$ $80$ $90$ $120$
It takes two hours for a person $X$ to mow the lawn. $Y$ can mow the same lawn in four hours. How long (in minutes) will it take $X$ and $Y,$ if they work together to mow...
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can cadidate key may be null?
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GATE CSE 2015 Set 2 | Question: GA-3
Consider a function $f(x) = 1- |x| \text{ on } -1 \leq x \leq 1$. The value of $x$ at which the function attains a maximum, and the maximum value of the function are: $0, -1$ $-1, 0$ $0, 1$ $-1, 2$
Consider a function $f(x) = 1- |x| \text{ on } -1 \leq x \leq 1$. The value of $x$ at which the function attains a maximum, and the maximum value of the function are:$0, ...
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GATE CSE 2004 | Question: 27
Let $A, B, C, D$ be $n \times n$ matrices, each with non-zero determinant. If $ABCD = I$, then $B^{-1}$ is $D^{-1}C^{-1}A^{-1}$ $CDA$ $ADC$ Does not necessarily exist
Let $A, B, C, D$ be $n \times n$ matrices, each with non-zero determinant. If $ABCD = I$, then $B^{-1}$ is $D^{-1}C^{-1}A^{-1}$ $CDA$ $ADC$ Does not necessarily e...
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KPGCET-CSE-2019-50
In the software testing, the behavioural testing is called White box testing Black box testing Mutation testing Integration testing
In the software testing, the behavioural testing is calledWhite box testingBlack box testingMutation testingIntegration testing
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book name is" test ur c aptitude"
plzzz explain how this code is executed
plzzz explain how this code is executed
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Bottom up parsers
What is the difference between $SLR(1)$ and $LALR(1)$ parser ? Both parser have same parsing table then how $SLR$ is subset of $LALR$ ?
What is the difference between $SLR(1)$ and $LALR(1)$ parser ? Both parser have same parsing table then how $SLR$ is subset of $LALR$ ?