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Querying for Data

Video Introducing this tutorial

Overview of Queries
Choosing Entity Attributes
Choosing Columns and Using Aliases (Demo)
Filtering and Sorting Results
Using Where and Order By (Demo)
Optimizing Queries with Indexes
Creating and Using Indexes (Demo)
Connecting Related Entities
Using Inner and Outer Joins (Demo)
Combining Queries
Union Queries (Demo)
Aggregating Data
Using Aggregation Functions (Demo)

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