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mysql> create table user(
    -> userid int(4) primary key not null auto_increment,
    -> username varchar(16) not null,
    -> userpassword varchar(32) not null
    -> );
create table log(
logid int(4) primary key not null auto_increment,
logtitle varchar(32) not null,
logcontent varchar(160) not null,
logtime datetime not null,
userip varchar(64) not null
);


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at org.gjt.mm.mysql.MysqlIO.init(MysqlIO.java:327)
at org.gjt.mm.mysql.Connection.connectionInit(Connection.java:261)
at org.gjt.mm.mysql.jdbc2 ......

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add constraint constraint_name

foreign key (column_1)
references reference_table_name(reference_column_1);
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