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What are the two approaches to store relations in distributed database?
a) Replication
b) Fragmentation
System Design: An Object Oriented Approach Any software systems always try to change and evolve as technology and business rules evolve. The development of information systems
What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
In order to keep pace with competitors, Space Ltd has decided to implement an ERP system in order to replace its old legacy and manual systems. Management does not have much knowle
Describe the objective of Structural Diagrams The main objective of structural diagram is to visualize, construct, specify and document static aspects of a system. Their eleme
Define the five basic operators of relational algebra? Five basic operators of relational algebra are: 1. Union (∪∪∪∪) - Selects tuples which are in either P or Q or in both
Example RELATION SCHEMA for STUDENT: STUDENT (Roll No: string, name: string, login: string, age: integer) RELATION INSTANCE
How to draw an ER diagram to a finance companz
how design database from begining
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
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