+ 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
+ and many more...
This App! Very easy to read and follow step-by-step for everyone!! - Enjoy it
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