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Ancestry database records information about family trees . Following information is recorded about each person: FIRSTNAME first name SURNAME surname MNAME maiden name (if
Security: In a centralised system, access to the data can be simply controlled. Though, in a distributed DBMS not only does access to replicated data have to be controlled in many
write short note on mobile database
#questiontypes of keys examples..
Relations create the database. They must satisfy various properties, like no duplicate tuples, no ordering of tuples, and atomic attributes, etc. Relations that satisfy these basic
Explain the Object-oriented decomposition Object-oriented decomposition targets at identifying individual sovereign objects that encapsulate both a state and certain behavio
What are stand-alone procedures? Procedures that are not part of a package are called as stand-alone because they independently defined. A good example of a stand-alone procedu
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
Determine Which is not a consequence of concurrent operations? Ans: Update anomaly.
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