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Differentiate sub-class and super-class?
The specialization of a class is known as subclasses.eg: employee is a subclass of person and teller is a subclass of employee. Conversely, employee is a super class of teller, and person is a super class of employee.
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
Benefits and Limitations od Data Models?
Explain the cartesian product in Database Management System
limitations and benefits in database tecknowlagy
Ask questiwhat is row indicator in database on #Minimum 100 words accepted#
Describe a technique for direct search? Explain how data is stored within a file so which direct searching can be performed. For a file of unordered fixed length records by u
What are the two statements regarding transaction? The two statements regarding transaction of the form are:- A) Begin transaction B) End transaction
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
What are the two approaches to store relations in distributed database? a) Replication b) Fragmentation
For this application, we will consider IBM DB2 catalog data (i.e., metadata) for IBM's enterprise-class servers running the z/OS (formerly OS/390 or MVS) operating system. One of
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