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Top candidates are Postgres, MariaDB, MySQL, SQL Server, Oracle

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Minimum ANSI Requirements

SQL operations cheatsheet, James Madison: http://www.qa76.net/sql_analytics

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ANSI SQL-2016 (Most): https://en.wikipedia.org/wiki/SQL:2016 ; SQL with JSON, prone to security and governance risk. 

We will Develop a ruleset that defines what commands can be used. A list of key databases must be supported. 

Modeling Considerations

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