what is key key - a single attribute or a
What is key ?
Key - A single attribute or a combination of two or more attributes of an entity set which is used to recognize one or more instances (rows) of the set (table) is called as key.
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if the cost benefits of interest rate swaps would similarly be arbitraged away in competitive markets what other descriptions exist to explain the
how many nodes in a tree have no ancestors1 node in atree have no
consider the following relational schema person ss name address car registrationnumber year model accident date driver carregno owns ss
in order to get the contents of a binary search tree in ascending order one has to traverse it in
what is key key - a single attribute or a combination of two or more attributes of an entity set which is used to recognize one or more instances
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explain candidate keycandidate key - a candidate key is a minimal superkey that can be used to uniquely identify a tuple in the
which data structure is used for implementing
explain alternate keyalternate key - all the candidate keys except primary key are known as alternate
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