what is alternate keyalternate key this is the
What is Alternate Key
Alternate Key: This is the candidate key which is not taken as the primary key of the table. They are named so because although not the primary key, they can still recognize a row.
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cardinality of relationshipone-to-oneonly one entity of the first set is linked to only one entity of the second set eg a teacher teaches a student
fisher price is famous for manufacturing quality toys at moderate prices fisher price is the best known brand for toys it enjoys the largest market
what is candidate keysuper key or candidate key it is such an attribute of a table that can uniquely recognize a row in a table generally they have
explain about primary keyprimary key it is one of the candidate keys that are taken to be the recognizing key for the entire table eg although there
what is alternate keyalternate key this is the candidate key which is not taken as the primary key of the table they are named so because although
describe the composite keycomposite key sometimes one key is not enough to uniquely recognize a row eg in a single class roll is enough to search a
question by the early 70s you realised the market for toys in the us is about to change what strategies would you recommend for the future next 10
what is foreign keyforeign key sometimes we may have to work with an attribute that does not have a primary key of its own to recognize its rows we
determine the strong and weak entitybased on the method of foreign key there might be arise a situation when we have to relate an entity having a
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