query language DDL DML DCL TCL query language ecosystem GraphQL sql gql Mongodb DQL

 https://www.geeksforgeeks.org/sql-ddl-dml-tcl-dcl/

 https://www.researchgate.net/figure/Classification-of-query-languages_fig1_268380412

https://www.geeksforgeeks.org/sql-ddl-dql-dml-dcl-tcl-commands/