SQL-Injection
Oracle NULL-values General-Functions NVL
sub-queries correlated-subquery synchronized-subquery
MySQL limit-keyword
NULLIF NV2 COALESCE NULL-values NVL General-Functions
CREATE-statement DESC-command
MySQL collation character-sets
TRUNCATE-TABLE
limit-keyword TOP-clause ROWNUM
WHERE-clause ORDER-BY-clause queries HAVING-clause order-of-operations SELECT-clause GROUP-BY-clause FROM-clause