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What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
Explain TPS concurreny executions stating their advantages in online business advancement
notes about update opreation
The indices are accumulated in the index files. The data is accumulated in the data files. Indices give fast access to data items. For example, a book database may be managed in th
Define deadlock avoidance. An alternative method for avoiding deadlocks is to needs additional information about how resources are to be requested. Each request requires the s
Illustrate the State model for the ATM class let us take state model for the ATM class given below in Figure showing state model of the ATM class and the pseudo code derived fr
Atomicity: It describes a transaction to be a one unit of processing. We can also say either a transaction will be finished completely or not at all. In the transaction example 1
What are the causes of bucket overflow in a hash file organization? What can be done to reduce the occurrence of bucket overflow? When a record is inserted, the bucket to that
Type of views : Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
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