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.
Describe briefly the term Session and Batches?
Define the term Data Independence?
Illustrates the uses of C++ in Clipper?
Which efficient data structure is used in RDBMS, for internal storage representation?
Describe briefly perform recovery?
Describe briefly the ‘paradigm mismatch’ among SQL and application programming languages.
Explain the term Account and Directory options?
Describe how operation is carried out within the spiral method?
What is meant by the snow flake schema?
States the term Volatile temporary tables.
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