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Binary relationship in database?
A binary relationship is a type of relationship between the entities, which links to types of entities in it.
What is 97 as a binary number?
You can convert decimal to binary, and vice versa, with most scientific calculators. In Windows XP, open the calculator and set it to "Scientific". In Windows 7, set it to "Programmer". After doing this, select "Decimal", type in the number, and then select "Binary" to convert to binary.
Is a function that maps binary to natural numbers a bijection?
No. The set of binary numbers includes fractions which are written in binary form. For example, binary(0.1) = decimal(0.5) which is not a natural number.
What is the simplest form of binary relationship?
It is probably REFLEXIVITY. Reflexivity, defined on a set S requires that, for each element x in S, x ~ x. The simplest example of reflexivity is "is equal to".
What is inverse in algebra?
Given a set and a binary operation defined on the set, the inverse of any element is that element which, when combined with the first, gives the identity element for the binary operation. If the set is integers and the binary operation is addition, then the identity is 0, and the inverse of an integer k is -k. If the set is rational numbers and the binary operation is multiplication, then the identity element is 1 and the inverse of any member of the set, x (other than 0) is 1/x.
