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There are two major types of fragmentation: Horizontal& Vertical. Horizontal fragments, as the name suggests are subsets of tuples and vertical fragments are subsets of attributes
The objectives of this assignment are: - to develop skills in the design of database driven applications - to develop skills in applying SQL to implement the relational and
Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs
Differentiate between a Global and a Local temporary table? - A local temporary table exists only for the duration of a connection or if defined inside a compound statement, fo
What are the function of DBA?
write-set(T): Each data items that are written by a transaction T
State the Steps of Object Design Object design is a very iterative process in which various classes, relationships among objects are added when you move from one level to
A basic model of Database Access Control Models of database access control have grown out of previous work on protection in operating systems. Let us talk about one simple mode
Database Manager It is the interface among low-level data, queries and application programs. Databases typically need a large amount of storage space. It is kept on disks, as
Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password
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