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What is the aim of logical schema ? The main motive of the logical schema is to ensure the portability of procedures and models on various physical schemas at runtime.
What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
What is the difference between WHERE and HAVING clauses?. Predicates in the WHERE clause applies to every tuple while the predicate in the HAVING clause applies to groups.
DDL Compiler The DDL compiler changes the data definition statements (such as CREATE TABLE .... in SQL) into a set of tables having metadata tables. These tables have infor
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
what is file organization? what are file organization techniques.explain in detail? explain random file organization technique, multikey file organization technique?what is indexin
(a) Explain briefly the three parts of a relational Model. (b) Contrast the following terms with an appropriate example: (i) stored attribute v/s derived attribute (ii) en
average response time?
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
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