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Describe an data dictionary?
A data dictionary is a data structure which keeps meta data about the structure of the database ie. the schema of the database.
Question: (a) Why is it important to know the architecture rather than to start requirement capture when designing a large scale system? (b) Who are the different people in
What are the Constituents of File? Also elaborates all the possible file operations? A file is organised logically as sequence of record. These records are mapped onto disk blo
er diagtram for icici
need requirement analysis for database management of stock market
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
The database is to record information about artists for a (music) production company. An artist is the name of a singer or band; the name of the artist, the year the artist started
What is indexed sequential file organization? What are the applications of this organization? Ans: An index file can be employed to effectively overcome the problem of storing
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
This project requires you to create a database design. Your design will be documented in a set of Entity-Relationship diagrams. Draw a set of Entity-Relationship diagrams to mode
How to create values of structured type? Constructor functions are used to make values of structured types. A function with the similar name as a structured type is a construct
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