ddl-commands sql-procedures tcl-commands dml-commands dql-commands sql-subqueries sql-cursor dcl-commands sql-trigger sql-group-by sql-joins

views parameters error-handling joins dynamic-sql indexes variables stored-procedures triggers try-catch tcl-commands common-table-expression dml-commands dql-commands temp-tables used-defined-functions wise-owl-sql-exercises-solutions scaler-functions table-valued-functions table-variables

sql acid trasaction ddl-commands clauses tcl-commands dml-commands dql-commands dcl-commands aggregation-function