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The data of a view is not physically stored, but derived from one or more tables.
True the data of a view is not physically stored
List the Armstrong's axioms for functional dependencies. What do you understand by soundness and completeness of these axioms? Ans: The Armstrong's axioms are: F1:
Instructions: Follow the instructions below for completing this project: 1. Creating the Database: · Use the physical table descriptions given below to define and create each t
What Command You Use What Day of the week were you born
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
Derived horizontal fragmentation: Some applications may include a join of two or more relations. If the relations are stored at dissimilar locations, there may be a major overhead
In a job interview with a branch manager of a bank that operates in multiple Canadian provinces and the Yukon, you learn that all of the information is captured in real time in a s
write short note on mobile database
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
What do you understand by RAID? Explain RAID Level 4 and Level5? RAID - It is stands for Redundant Array of Inexpensive Disks (as named by the inventor), or alternatively Re
Create an entity relationship diagram, Database Management System
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