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List the drawbacks of relational database system
A) Repetition of data
B) Inability to s certain information.
What is a PROJECT operation? The project operation is a unary operation that returns its argument relation with particular attributes left out. Projection is shown by pie (π).
I need help with data warehousing and business intelligence course project about designing a data warehouse for a jewelry company that does not have one
What are the advantages of embedded query language? Give an example of an embedded SQL query. Embedded query language - SQL could be implemented within two ways. It can be us
A TDMS project plan is not a typical Information Technology project plan; therefore, a traffic data project has several unique characteristics: Traffic data management system
what is natural join?
Differentiate between horizontal & mixed horizontal fragmentation?
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
Question: (a) Can a set of data requirements be correctly modelled by two or more different ER diagrams? Explain your answer. You may use a small example, if you think it will
explain ANSI SPARC architecture
courier company er-diagram
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