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Cardinality shows the number of instances of an entity associated with another entity participating in a relationship. Depend on the cardinality binary relationship can be further
Process-oriented decompositions Process-oriented decompositions divide complex process, task or function into simpler sub processes until they get simple enough to be deal
What is the full form of ODBC ? ODBC stands for Open Database Connectivity.
Which operations need the participating relations to be union compatible? A UNION, INTERSECTION and DIFFERENCE operations need the participating relations to be union compatibl
Define granularity, hierarchy of granularity of locks & multiple granularity locking. Explain the modified two phase locking along with multiple granularity locking. Ans: The s
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
What is relational model feature? A relational model feature is much more data independence than some other database models.
What is the archtetype/instance pattern? The archetype/instance pattern happens when one entity tracks occurrences of another entity. A common example is the relationship among
A field-groups statement or an insert statement reverses storage space and transfers values. False.
what is the importance of back up files
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