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What is the diffrence between Key and Superkey how can we understand ? help me please
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Why do we use "Decomposition" an How ? in FD or MDV |
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how can i understand nontrival can u explaing with example please?
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function is x/y+z means (x/y)+z if you dont write to Z anything program says "ERROR: Operator-operand imbalance." program is that as it is above and my code is [ICODE]#include <iostream> using namespace std; class Calculator { int x,y,z; public: void arith_ex(int,int,int); }; void Calculator::arith_ex(int x,int y,int z) { cout<<"X="<<endl; cin>>x; …
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Question is: "Implement a Person class that includes data members to represent name, address, and identification number. The class interface includes methods that provide appropriate access to the data members. Derive a CollegeStudent class and a Professor class from Person. Each of these derived classes should add appropriate data members …
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Question is: "Write a complete program that writes into a file from an array of string and also in reverse order." Please help
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