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What is called query processing?
Query processing refers to the range of activities included in extracting data from a database.
Two-way Associations Mostly, associations are travel in both directions, although not usually with same frequency. There are three approaches for the implementation. In
Explain weak and strong entity sets? Weak and Strong entity sets: A physically powerful entity set has a primary key. All tuples in the group are distinguishable through that k
How can one distinguish among different kinds of parameters? Input parameters are used to pass data to subroutines. Output parameters are used to pass data from subrout
explain exhaustively the problems associated with ER diagrams. include illustrations in your answer
By using the delete operation some consisting records can be deleted from a relation. To delete some definite records from the database a condition is also specified based on which
can you create a database for me in oracle/sql
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
basic structure of xml
Consider the following relations: S (S#, SNAME, STATUS, CITY) SP (S#, P#, QTY) P (P#, PNAME, COLOR, WEIGHT, CITY) Give an expression within SQL for each of queries b
About Attribute inheritance
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