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each publisher has uniqe name a mial addrs are also kept on each pubisher.a publisher publish one book.a book publish y one publisher.book identified by isbn.each book writn by one
Example: Consider the following relations: ROLLNO NAME ADDRESS COURSE_ID 100 Ka
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
Q. Explain data aggregatio n and discuss different design constraints. Sol. Aggregation One limitation of the E-R model is that it cannot express relationships amon
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What is transaction? Collections of operations that form a single logical unit of work are known as transactions.
a) Suppose we updated the catalog tables in real time, that is, after every update, insert, or delete SQL statement were executed-rather than only running RUNSTATS once every few
Draw an EER diagram that captures the "is-a" hierarchy of students in another simple database. The database captures both the "basic" information (say, student ID and student name)
What is OLTP (Online Transaction Processing)? In OLTP - online transaction processing systems relational database design use the discipline of data modeling and generally follo
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