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Answers by indrajeet

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DBMS Counting superkeys
R(ABCDEF) with candidate keys set { A,BC,CD}. Find number of superkeys?

answered in Databases Jul 11, 2017

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1 vote

2

#Kenneth_Rossen
How many solutions are there to the equation x1+x2+x3+x4 =17 where xi is non negative? Please explain how this problem has 1 to 1 correspondence with the solution of reordering of 17 1's and 3 0's. How many solutions are there to the equation x1+x2+x3+x4+x5+x6 =29 where xi is non negative such that x1<=5?

answered in Combinatory Aug 24, 2016

680 views

18 votes

3

GATE CSE 2003 | Question: 79
A processor uses $\text{2-level}$ page tables for virtual to physical address translation. Page tables for both levels are stored in the main memory. Virtual and physical addresses are both $32$ bits wide. The memory is byte addressable. For virtual to physical address translation, ... tables of this process is $\text{8 KB}$ $\text{12 KB}$ $\text{16 KB}$ $\text{20 KB}$

answered in Operating System Jun 30, 2016

18.8k views

3 votes

4

GATE CSE 2009 | Question: 56
Consider the following relational schema: $\text{Suppliers}(\underline{\text{sid:integer}},\text{ sname:string, city:string, street:string})$ $\text{Parts}(\underline{\text{pid:integer}}, \text{ pname:string, color:string})$ ... $\text{2NF}$ but not in $\text{3NF}$ The schema is not in $\text{2NF}$

answered in Databases Apr 28, 2016

21.8k views

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5

Unary operator expression evaluation c
After executing the program, I am getting 10 as the answer. Please explain and give the postfix for the expression [ z=x++-y*b/a ].

answered in Programming Feb 3, 2016

462 views