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examples of fields in a database
what is union compatable?
How can you map NULL values to other values while display? IF( ) , IFNULL( ) keywords are used to do so. They are 'LIMIT' is used for the following kinds of problems: 1) Ans
Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.
Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
management information system based on functional organisation
What are the three data anomalies that are similarly to take place as a result of data redundancy? Can data redundancy be completely eliminated in database approach? Why or why n
please describe the data base management with the easy example &give the application?
Explain the Difference between DROP and DELETE DELETE deletes one or more than one tuples of a particular relation from the database. DROP is employed to remove a table from th
Explain the Project-Join normal form A relation R is in PJNF along with respect to a set of functional dependencies D if for all join dependencies of the outline *(R 1 , R 2 ,
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