insert into tablename(...) values(...)
//如果增加的記錄包括所有的列，則不需要寫數據列表
insert into tablename values(...)

delete from tablename where condition ;

update tablename set xx=xx , xx=xx... where condition ;

alter table tablename set xx=xx , xx=xx... where condition ;

select (...) from tablename where condition ;

select * from tablename where condition ;

drop table tablename ;

alter table tablename add column columnname columntype ... ;

alter table tablename drop column columnname ;