cross-join MySQL join on-clause inner-join
phantom-read transactions isolation SQL-SERIALIZABLE
HAVING-clause COUNT-Function aggregate-functions
DROP-statement DROP-DATABASE
NVL NULL-values NULLIF COALESCE General-Functions NV2
sub-queries
NULL-values constraints NOT-NULL-constraint
collation binary-collation character-sets case-insensitive-collation
WHERE-clause order-of-operations FROM-clause GROUP-BY-clause queries SELECT-clause HAVING-clause ORDER-BY-clause
COUNT-Function aggregate-functions NULL-values
