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Domain Constraint It shows that each attribute in a relation has to contain an atomic value only from the corresponding domains. The data types associated with commercial RDBMS
i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
explain ANSI SPARC architecture
What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
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What is the meaning of Recovery? In deferred update methods, if a transaction fails before arriving its commit point, it will not have altered the database in any way, so UNDO
comparison of oracle RDBMS with MySQL
WHAT IS MEANT BY E-R MODEL
Question: (a) List four disadvantages of the File Processing System as compared to the Database Systems. (b) The integrity of a database is enforced by integrity rules. One
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
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