SQL-Injection
HAVING-clause COUNT-Function aggregate-functions
MySQL MS-Access Oracle DROP-INDEX DB2 DROP-statement SQL-server
range-locks isolation transactions non-repeatable-reads phantom-read
sub-queries correlated-subquery synchronized-subquery
limit-keyword TOP-clause ROWNUM
NVL General-Functions NV2 NULL-values NULLIF COALESCE
NULL-values
NULL-values General-Functions NULLIF
