'People table' diaporamas de présentation

Lecture 15: Mob Data Sourcing

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Chapter 9: Object-Relational Databases

Chapter 9: Object-Relational Databases. Nested Relations Complex Types and Object Orientation Querying with Complex Types Creation of Complex Values and Objects Comparison of Object-Oriented and Object-Relational Databases. Object-Relational Data Models.

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Fundamentals/ICY: Databases 2013/14 Week 5: Friday (slides added at front on the day)

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Sampling Methods

Sampling Methods. Remember:. How do we pick our sample?. 6 main kinds of sampling The kind of sampling you choose depends on the type of survey you are conducting. Simple Random Sampling. Each member of the population has an equal chance of being selected

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