Database functions-system development life cycle
Write a short on the six database functions which occur during the systems development life cycle?
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The enterprise modeling that analyzes the present data processing. Conceptual data modeling which identifies attributes, entities, and relationships. The logical database design is identifies data security and integrity requirements. The physical database definition and designs which defines database to DBMS. The database implementation that installs and alters data from previous systems. Database maintenance that fixes mistakes in the database and database applications.
Define the class?
Write down the differentiation between Power Center and Power Mart?
What is meant by the Drill Through?
Illustrates the term natural key in Sybase?
Illustrate the multi value or multicolumn problem? Include an example not employed in the text.
States the term basic teradata query language.
Consider a MOVIE database in which data is recorded about the movie industry. The data requirements are summarized as follows: ¦ Each movie is identified by title and year of release. Each movie has a length in minutes. Each has a production company, and each is classified under one or more genre
Illustrates the term heap in data structures?
What is meant by the snow flake schema?
What is meant by the Data warehouse?
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