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RELATIONAL ALGEBRA (Chapter 2)

RELATIONAL ALGEBRA (Chapter 2). Overall Organization. Query Parser. Query Optimizer. Query Interpretor. Relational Algebra operators: , , , , , , , , . Index structures. Abstraction of records. Buffer Pool Manager. File System. RELATIONAL ALGEBRA INTRODUCTION.

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The Student Database

The Student Database. The Selection Operator . Give me information of students under the age of 18  age&lt;18 (Student). The Projection Operator  . Give me the name, address, and GPA of all the students  name, addr, GPA (Student)  name, GPA, addr (Student) . Sample Query.

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