Convert the SQL query into equivalent relational algebraic query
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Using the query tree, transform the relational algebraic query to an equivalent relational algebraic query which may reduce the query evaluation cost. - Draw the query tree for the above relational algebraic query
- Represent the above query using SQL
- Consider the following relations: Employee ( E-ID, Name, P-ID) Project ( P-ID, E-ID, P- Cost,
- What is meant by the term view in context of DBMS? Why is it used? Consider the following
- An organization undertakes manufacturing projects. There are different kinds of employees (full time and part time). Each employee can move on one or more projects.
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