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3 assignments combined in 1
er diagtram for icici
What is schema
Define physical and logical data independence. How does this architecture help in achieving these? Data independence entails that change in one view must not need a change in t
Concurrency Identification While designing analysis, model we map real world model into our analytical model. Real life objects are simultaneous in nature, but all the design
Q. Describe how an ER schema can be represented by relation schemas and constraints arising from ER design can be mapped to constraints on a relation schema. The entity rela
List the set operations of SQL? 1) Union 2) Intersect operation 3) The except operation
Submission Requirements All answers must be computer generated (including text and diagrams). The hand-in version must include a header page (or with sufficient space)
joins
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
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