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What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
Failures and Recovery In practice various things might occur to prevent a transaction from completing. Recovery methods are used to bring database, which does not satisfy consi
Define single valued and multivalued attributes. Single valued attributes: attributes with a single value for a particular entity are known as single valued attributes. M
Multilevel Index The Multilevel Index is a modification of the secondary level index system. In this system we might be use even more number of levels in case the table is eve
Describe the algorithm for updating indices for a single level index when a record is (i) Inserted (ii) deleted What will be the modification if there are multilevel in
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
Increases efficiency : Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, there
how to solve the C type problems?
exercise solution
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