SQL code:
create table user_file (
userID int not null,
userName VARCHAR2(10),
userPwd VARCHAR2(10),
primary key (userID)
);
create table articletype (
magazineType int not null,
magazienTypeName VARCHAR2(20) not null,
primary key (magazineType)
);
create table article (
authorID int not null,
artcleName VARCHAR2(20) not null,
reportDate DATE,
magazine VARCHAR2(20),
magazineType int,
authorOrder int,
extend VARCHAR2(100),
foreign key (authorID) references user_file(userID)on delete
cascade,
foreign key (magazineType) references articletype(magazineType) on
delete cascade
);
create table log_file (
userID int not null,
operater VARCHAR2(10),
operaterDest VARCHAR2(20),
operaterDate DATE,
foreign key (userID) references user_file(userID)
);
前面是我建的表,下面是我建的触发器
SQL code:
--论文更新触发器
CREATE OR REPLACE TRIGGER article_log_file
BEFORE INSER
private static final String URL = "jdbc:oracle:thin:@localhost:1521:orcl";
private static final String USERNAME = "sys";
private static final String PASSWORD = "s ......