Here i have uploaded the previous year (2014 November) question paper of Database management systems (C S, IT) for Fifth semester for Computer science and engineering (CS or CSE) and information technology (IT) branches under MG university BTech course.
Course : B.Tech Engineering (degree)
University: MG university (Mahatma Gandhi university) Kottayam, Kerala
Department or branch: Computer science and engineering (CS or CSE) and Information Technology (IT)
Information about resetting and configuring Mobile phones (Java, Android, Symbian etc), educational articles especially for programming in C, C++ and Java and more about Computers and operating systems
Showing posts with label database. Show all posts
Showing posts with label database. Show all posts
DBMS Previous Year Question Paper for Fifth Semester BTech Computer Science and IT
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Relational Algebra - Selection, Projection, Joins etc
The relational algebra defines a set of operations on relations, paralleling the usual algebraic operations such as addition, subtraction etc which operate on numbers.The relational algebra operations take one or two relations (tables) as input and return a relation as output. This post we discuss the following relational operations:
- Selection (σ)
- Projection (π)
- Cartesian product
- Joins
Selection Operation (σ)
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