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1. Based on the dependency diagram, create a database whose tables are in at least 2NF, showing the dependency diagram for each table (as shown in class). Label the types of dependencies (partial, transitive).
b) Create the logical database schema. Identify all primary keys.
what do you mean by consistency in rdbms?
Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
What are the requirements to ensure the objectives of file management principle is realized?
How does a query tree represent a relational algebra expression? Ans: This includes transforming an initial expression (tree) into an equivalent expression (tree) that is
Java program for horrizontal fragmentation in distributed database
Question 1 List and explain various Normal Forms. How BCNF differs from the Third Normal Form and 4th Normal forms? Question 2 Describe the concepts of Structural Semantic Da
I need to Map an E-R diagram to a relational schema
HOW TO SOLVE THE LP Problems by simplex method?z=x1+-3x2+2x3
Database systems have many opposite efforts ?
Prove that a relation which is 4NF must be BCNF. Ans Let R be in 4NF. Suppose it is not in BCNF. Hence, there exists an FD X→Y in R such that x is not a super key. Although
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