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mysql> CREATE DATABASE bbs;
mysql> CREATE TABLE pet (name VARCHAR(20), owner VARCHAR(20),
-> species VARCHAR(20), sex CHAR(1), birth DATE, death DATE);
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show databases;
show tabales;
describe pet;
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tcp &n ......
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select * from people
where peopleId in (select peopleId from people group by peopleId having count(peopleId) > 1)
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CREATE TABLE `intd` (
`id` int(11) NOT NULL auto_increment,
`name` varchar(255) character set utf8 collate utf8_bin N ......
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<Context path="/testProject" docBase="E:\project\TestProject\WebContent" reloadable="true" debug="0" privileged="true">
<Resource name="jdbc/mysql" auth="Container" type="javax.sql.DataSource"/>
<ResourceParams name=" ......
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create table t_dept(
id int(4) not null, name varchar(50) not null,
primary key(id))type=innodb;
create table t_emp (
id int(6) not null,
name char(255) not null,fk_id int(4) not null,
primary key(id),
foreign key (fk_id) references t_dept (id)) type=innodb; ......