Create Or Replace Trigger trg_view_report Instead Of Insert or update or delete on view_for_report for each rowDeclare begin If Inserting Then if :new.temperature1 <= 250 then insert into originaldata_report (id, …
create or replace trigger t before update on test5 for each rowbegin insert into test55 values (:old.id,:old.name);end ; -------------------------------------------------------------------------------------- --表中插入数据时ID自动增长 create table ttt (id numbe…
在本地通过MYSQL创建测试表 CREATE Table User ( UserId int not NULL PRIMARY KEY auto_increment, //主键自增 UserName VARCHAR() not null, Pwd VARCHAR() not NULL, Age int not null ); 然后插入数据的时候: INSERT into USER(UserName,Pwd,Age) VALUES(); 提示错误信息: ERROR 1366 (HY000)错误类型…
create or replace procedure proc_backup_originaldata(retCode out varchar2, -- 返回码 retMsg out varchar2) --返回信息 is v_now varchar2(20):=to_char(sysdate,'yyyy-mm-dd'); cursor c_backup is select * fro…
Ⅰ→通过ViewData传递数据,不过需要新建一个类(用来存) NewClass(里面有表1的字段和表2的字段) public class JoinTab1_2 { public int ID { get; set; } public string Name { get; set; } } 控制器中Action public ActionResult Index() {using (DBEntities db = new DBEntities()) { var query = (from tab…
