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What is E-R model? This data model is based on real world that having of basic objects called entities and of relationship between these objects. Entities are explained in a da
Question: This Question refers to the database schema given in the Appendix. (a) The integrity of a database is enforced by integrity rules. Discuss what should happen on a
brief history,definition,current trends and future trends if any of data fragmentation
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
Describe association design of an object by giving one suitable example of it. The Design of Associations Associations are "glue" of advanced object oriented analysis and
Define data conversion? Helpful to load data into temporary staging tables. Then can write SQL code to do much of data processing. SQL code is simpler and faster to write than
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
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what is query processing ,query optimization and performance turring?
Though all the ABAP/4 Dictionary Structures that exists in the structure of the LDB, being described in Database Program, we are explaining the Dictionary Structures in the Report.
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