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Recent activity by KINGSLAYER
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Ace Test Series: DBMS - Correlated Sql Query
According to me it should be – “Retrieve the names of all students with a lower rank, than all students with age < 18 ”
According to me it should be – “Retrieve the names of all students with a lower rank, than all students with age < 18 ”
1.3k
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commented
Nov 20, 2019
Databases
sql
databases
query
ace-test-series
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4
answers
2
GATE CSE 2019 | Question: 5
Let $U = \{1, 2, \dots , n\}$ Let $A=\{(x, X) \mid x \in X, X \subseteq U \}$. Consider the following two statements on $\mid A \mid$. $\mid A \mid = n2^{n-1}$ $\mid A \mid = \Sigma_{k=1}^{n} k \begin{pmatrix} n \\ k \end{pmatrix}$ Which of the above statements is/are TRUE? Only I Only II Both I and II Neither I nor II
Let $U = \{1, 2, \dots , n\}$ Let $A=\{(x, X) \mid x \in X, X \subseteq U \}$. Consider the following two statements on $\mid A \mid$.$\mid A \mid = n2^{n-1}$$\mid A \mi...
11.7k
views
commented
Jul 13, 2019
Combinatory
gatecse-2019
engineering-mathematics
discrete-mathematics
combinatory
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