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Define NULL value
NULL value NULL means something is unknown. It does NOT mean null (the digit 0). Null is as well employed as attribute value for a particular entity in which attribute is not applicable for example name of child for unmarried.
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
Define multivalued dependency. What do understand by trivial multivalued dependency? Ans: A multivalued dependency is a full constraint among two sets of attributes in a rela
Ask qu. Write a XML with database with book details (Book ID, Title, Author, subject, published year, language, vendor, and price).estion #Minimum 100 words accepted#
What is the full form of ODBC ? ODBC stands for Open Database Connectivity.
to develop elrctronic database from manual forms
what are information system hirarchy?
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
Determine the Advanced modeling concepts You have to follow some steps for object-oriented design. These steps for OO Design methodology are as follow: 1) Produce objec
What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
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