Clauses
=======

SELECT
- https://modern-sql.com/use-case/select-without-from

FROM
- https://modern-sql.com/feature/table-column-aliases
- https://modern-sql.com/use-case/naming-unnamed-columns

GROUP BY
- https://modern-sql.com/blog/2018-11/whats-new-in-oracle-database-18c#group-by

FILTER
- https://modern-sql.com/feature/filter
- https://modern-sql.com/use-case/pivot
- https://modern-sql.com/blog/2019-01/sqlite-in-2018#filter

VALUES
- https://modern-sql.com/feature/values
- https://modern-sql.com/blog/2018-08/whats-new-in-mariadb-10.3#3.values

WITH
- https://modern-sql.com/feature/with
- https://modern-sql.com/use-case/naming-unnamed-columns#with
- https://modern-sql.com/blog/2018-04/mysql-8.0#with

OVER
- https://vimeo.com/289497563#t=16:50s
- https://modern-sql.com/blog/2019-02/postgresql-11
- https://modern-sql.com/blog/2019-01/sqlite-in-2018#window-functions
- https://modern-sql.com/blog/2018-04/mysql-8.0#window-functions
- https://tapoueh.org/blog/2013/08/understanding-window-functions/
- https://www.slideshare.net/MarkusWinand/modern-sql/75
- https://www.slideshare.net/MarkusWinand/modern-sql/127

Expressions
===========

CASE
- https://modern-sql.com/feature/case
- https://modern-sql.com/use-case/pivot

EXTRACT
- https://modern-sql.com/feature/extract
- https://modern-sql.com/use-case/pivot

Functions
=========

JSON
- https://modern-sql.com/blog/2017-06/whats-new-in-sql-2016#json
- https://modern-sql.com/blog/2018-04/mysql-8.0#other
- https://modern-sql.com/blog/2018-11/whats-new-in-oracle-database-18c#json

Date and Time
- https://modern-sql.com/blog/2017-06/whats-new-in-sql-2016#datetime-formats

Math
- https://modern-sql.com/blog/2017-06/whats-new-in-sql-2016#trig-log-func

Aggregate Functions
-------------------
- https://modern-sql.com/concept/null#aggregates
- https://modern-sql.com/blog/2018-11/whats-new-in-oracle-database-18c#group-by

LISTAGG
- https://modern-sql.com/feature/listagg
- https://modern-sql.com/blog/2017-06/whats-new-in-sql-2016#listagg
- https://modern-sql.com/blog/2018-11/whats-new-in-oracle-database-18c#listagg

Window Functions
----------------
- https://vimeo.com/289497563#t=16:50s
- https://modern-sql.com/blog/2019-01/sqlite-in-2018#window-functions
- https://modern-sql.com/blog/2018-04/mysql-8.0#window-functions

Percentile
- https://modern-sql.com/blog/2018-08/whats-new-in-mariadb-10.3#3.percentiles

Values
======

Boolean
- https://modern-sql.com/concept/three-valued-logic
- https://modern-sql.com/blog/2019-01/sqlite-in-2018#boolean

NULL
- https://modern-sql.com/concept/null