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please describe the data base management with the easy example &give the application?
Write short notes on Schema diagram. A database schema along with primary key and foreign key dependencies can be depicted pictorially by schema diagram. Every relation appears
(a) Provide the description of the following ODMG schema in the Object Definition Language (ODL). (b) Based on the above object database, write the following queries i
What function divides one numeric expression by another and returns the remainder? MOD function divides one numeric expression by another and returns the remainder.
what is query processing ,query optimization and performance turring?
What are the advantages of by using an index and what are its disadvantages ? In difference, if the search key of a secondary index is not a candidate key, it is not sufficient
Why is need for the multiple access paths?
Example - ALTER TABLE emp MODIFY (empno NUMBER (7));
Determine the minimal set of functional dependencies for the following data. This table is part of the OHSU database of extracurricular activities and tracks the DMICE band's co
What does the cardinality ratio specify? Mapping cardinalities or cardinality ratios state the number of entities to which another entity can be associated. Mapping cardinaliti
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