Hello, I feel that the babel extension of apache calcite is a very good initiative. I would like to bring up some useful resources.
sql smith - the random sql generator https://github.com/anse1/sqlsmith real world Oracle queries: https://github.com/oracle/analytical-sql-examples/tree/c5e889d4c0df3d3c2b2b9c3dfac543ec31986a14/SQL-Model/Scripts https://github.com/oracle/analytical-sql-examples/tree/c5e889d4c0df3d3c2b2b9c3dfac543ec31986a14/analytical-sql/Scripts other queries repositories https://mifosforge.jira.com/wiki/spaces/MIFOS/pages/6258835/SQL+Query+Repository https://wiki.koha-community.org/wiki/SQL_Reports_Library#Accounting_Reports_.28Fines.2FCredits.2FEtc.29 translator from/to various sql dialects http://www.jooq.org/translate/ Hope this helps. Regards, Cristian.
