operators logical-operators
collation binary-collation character-sets
NVL NV2 General-Functions COALESCE NULL-values NULLIF
UPDATE-clause
join inner-join
TRUNCATE-TABLE
MAX-Function COUNT-Function MIN-Function AVG-Function LAST-Function aggregate-functions SUM-Function FIRST-Function
SELECT-clause
unique-key primary-key constraints
sub-queries correlated-subquery synchronized-subquery