DEFINITION OF AGRICULTURE, MEANING, AND SCOPE OF AGRONOMY
Introduction The term agriculture is derived from the Latin words “ager” or “agri” meaning“soil” and ‘cultra’ meaning ‘cultivation’Agriculture is a
Continue readingEnhanced Entity Relationship
Enhanced Entity-Relationship Modeling Enhanced Entity-Relationship (EER) modeling is an extension of ER modeling to include object-oriented concepts such as: superclasses
Continue readingEntity Relational Diagram
Conceptual Database Design Conceptual database design involves modeling the collected information at a high-level of abstraction without using a particular
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SQL – Data Definition Language
SQL Overview SQL (Structured Query Language) is the standard query language for relational databases, which was initially established by the
Continue readingData Development Process-Continued
Union Union is a binary operation that takes two relations, R and S, as input and produces an output relation
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Database Development Process
ANSI/SPARC Architecture Data abstraction is one of the primary benefits of database systems. Data abstraction is accomplished by defining various
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Introduction to Database Systems
Database Systems can be easily described as a structured set of data stored in a computer that may be accessed
Continue reading10. Trusses and Structure Analysis
Simple Trusses A truss is an assembly of beams or other elements that creates a rigid structure. Assumptions for Design
Continue readingEquilibrium of a Rigid body
For a rigid body to be in equilibrium, the net force as well as the net moment about any arbitrary
Continue reading#8. Couple Moment part2
When two couples produce a moment with the same magnitude and direction, they are equivalent couples. Resultant Moment of Couple
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