1.查詢(xún)操作
select * from tb_name [where tb_name.col = ?][and tb_name.col = ?];
*:代表查詢(xún)?nèi)孔侄?,可修改為我們具體的字段
2.增加語(yǔ)句
insert into tb_name values (1,?),(2,?);
3.刪除語(yǔ)句
delete from tb_name where ?
4.修改語(yǔ)句
update tb_name set col_name = '' where ?
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