Figure 6 1 schematic view of query processing
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Figure 6.1 Schematic view of query processing. PowerPoint PPT Presentation


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Figure 6.1 Schematic view of query processing. Figure 6.2A Examples of set operators. Figure 6.2B (continued) Examples of set operators. Figure 6.2C (continued) Examples of set operators. Figure 6.3 Two relations and their Cartesian product.

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Figure 6.1 Schematic view of query processing.

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Figure 6 1 schematic view of query processing

Figure 6.1Schematic view of query processing.


Figure 6 1 schematic view of query processing

Figure 6.2AExamples of set operators.


Figure 6 1 schematic view of query processing

Figure 6.2B (continued)Examples of set operators.


Figure 6 1 schematic view of query processing

Figure 6.2C (continued)Examples of set operators.


Figure 6 1 schematic view of query processing

Figure 6.3Two relations and their Cartesian product.


Figure 6 1 schematic view of query processing

Figure 6.3B (continued)Two relations and their Cartesian product.


Figure 6 1 schematic view of query processing

Figure 6.4Join of relations in Figure 6.3.


Figure 6 1 schematic view of query processing

Figure 6.5Division operator.


Figure 6 1 schematic view of query processing

Figure 6.6Anatomy of a Query: Courses taught by every computer science professor.


Figure 6 1 schematic view of query processing

Figure 6.7SQL aggregate functions.


Figure 6 1 schematic view of query processing

Figure 6.8Effect of the GROUP BY clause.


Figure 6 1 schematic view of query processing

Figure 6.9Query evaluation with aggregate functions.


Figure 6 1 schematic view of query processing

Figure 6.10Process of query modification by views..


Figure 6 1 schematic view of query processing

Figure 6.11SQL’s truth tables used to deal with the unknown.


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