Development of modern database systems
Write brief note on E.F. Codd, and why is he noteworthy in the development of modern database systems?
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While working at IBM, E.F. Codd formed the relational database model. A paper he published in the year 1970 presented his ideas to the world. His work is the foundation for most of the DBMSs presently in use, and therefore forms the basis for database systems as we know and employ them today.
Describes the main data structures used in following areas: RDBMS, Network data model and Hierarchical data model?
Describe how we can add a NOT NULL column to a table?
Categorize the Hashing Functions based on the different methods through which the key value is found?
Why there is a need to create the user object?
Clarify briefly why dimension tables is de-normalized in the nature?
Complete the whole assingment. With diagram and completed mysql program
Explain what is meant by the WebI or Web Intelligence?
State some of the sectors where the data warehousing and data mining are utilized.
What do you understand by the term deadlock in DBMS? How can it be avoided? How can it be solved once it happens?
What can be done with the Data Stage Director?
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