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In E-R Diagram how derived attribute are represented ? In E-R Diagram By Dashed ellipse derived attribute are represented.
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod
what problems are raised by the database? why is it so controversial? why is data quality an issue?
Deletion Anomalies: Loss of important Information: In some cases, useful information may be lost when a tuple is deleted. For instance, if we delete the tuple corresponding to stu
what is Nested relational model? Explain with examples.
Draw an E_R Model for the following: An organization uses number of items of a equipment to generates goods. Each item is at one LOCATION, of one TYPE and has a DETAILED_DISCRI
What is called block-level striping? Block level striping stripes blocks across many disks. It treats the array of disks as a large disk, and provides blocks logical numbers
Create an entity relationship diagram, Database Management System
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
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