The following are some basic database Method examples:
for each { variable } in { table } where { condition } do { body } end
INSERT INTO { table }({ column1, column2, ... }) VALUES({ val1, val2, ... });
DELETE FROM { table } WHERE { condition };
UPDATE { table } SET { column1 = value1, column2 = value2, ... } WHERE { condition };
select Name, Skill from EMP where EXISTS select * from EMP where EMP.Name = empName group by Name having COUNT(Skill) > 1);