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what is Lossless-join decomposition
Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
Using a labelled diagram explain the operation of the Data Warehouse, define the basic architectural components and outline the main functionalities. Briefly explain the role an op
Cardinality shows the number of instances of an entity associated with another entity participating in a relationship. Depend on the cardinality binary relationship can be further
Question (a) Concurrent access to data from a database is a normal part of application program usage. Describe three approaches to concurrency control (b) Distinguish among
Database systems have many opposite efforts ?
What are the advantages of creating a table from existing table?
Explain the Aggregation implies concurrency Concurrency actually is: This in objects can be identified by the way they change state. Present objects can change state independen
lock and types of lock
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