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Which database level is closest to the users?
External database level is closest to the users.
List the drawbacks of relational database system A) Repetition of data B) Inability to s certain information.
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
Explain the Cartesian product: The Cartesian product operation does not need relations to union-compatible. The meaning of this is that the involved relations may have dissim
Consider the entity type dependent related to employee entity, which is used to keep track of the dependents of every employee. The attributes of dependents are: name, sex, birth d
data models are being replaced over years. Reasons and why does that happen?
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
Using your cache simulator and using smalltex.din as your memory trace determine the total miss rate, compulsory miss rate, capacity miss rate, and conflict miss rate for the follo
Northwind Pty Ltd sells a variety of food products throughout the world. They want to use the reporting features of SAP's Business Information Warehouse to better understand their
what is relationship inheritance and attribute inheritance
What are shortcomings in structured approach? Structured methodology treats data and their behaviours separately, and this makes it harder to isolate changes. If changes are re
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