Contents
- Creating and dropping tables
- Basic queries: SFW statement
- Example: reading a table
- Example: selection and projection
- Example: join, Example: rename
- A more complicated example
- Set versus bag semantics, A case for bag semantics
- SQL set and bag operations, SQL features covered so far
- IN subqueries, Semantics of subqueries
- Scoping rule of subqueries, Examples of quantified subqueries
- More ways to get the most popular
- SQL features covered so far, Aggregates with DISTINCT
- Grouping, Semantics of GROUP BY, Aggregates with no GROUP BY
- Restriction on SELECT, Examples of invalid queries
- HAVING examples, ORDER BY example
| Description : | Download free Introduction to databases, SQL Part I, course tutorial, PDF file by Jun Yang, Brett Walenz. |
| Level : | Beginners |
| Created : | April 1, 2016 |
| Size : | 165.4 KB |
| File type : | |
| Pages : | 45 |
| Author : | Jun Yang, Brett Walenz |
| Downloads: | 3212 |
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