java??????sql???????
???????????? ???????[ 2016/10/20 10:00:52 ] ??????????????????? Java
????????????
????1.???????????:
????create table demo1(
????id int primary key??
????name varchar(40)
????);
????2.?????id:
????insert into demo1(name) values('aaa');/*????????????????*/
????3.?????????id:
????insert into demo1(id??name) values(1??'aaa');
????/*????????????????*/
????insert into demo1(id??name) values(1??'aaa');
????4.????????????????(auto_increment):
????create table demo2(
????id int auto_increment primary key??
????name varchar(40)
????);
????5.???????(unique):
????create table demo3(
????id int auto_increment primary key??
????name varchar(40) unique /*unique:???*/
????);
????6.??????(not null):
????create table demo4(
????id int auto_increment primary key??
????name varchar(40) not null
????);
????7.??????????():
????create table department(
????id int auto_increment primary key??
????name varchar(30) not null
????);
????create table employee2(
????id int auto_increment primary key??
????name varchar(30) not null??
????salary double??
????department_id int??
????/*??????*/
????constraint department_id_FK foreign key(department_id) references department(id)
????);
????6.??????(not null):
????create table demo4(
????id int auto_increment primary key??
????name varchar(40) not null
????);
????7.???????:
????alter table tablename drop primary key;
???????????????????????漰???????????????????SPASVOС??(021-61079698-8054)?????????????????????????
??????
Java???????????Щ???????????????Java????????????????Java?б???Map????????Java Web???????????????Java??????????????д?????Java????????7???????????????????????(java .net ?????)???Java??????????Python??????Java webdriver??λ????????′????е?????Java??д??????????????????Java???????????????JavaScript????????????Java?????????????????? Java???????10??????????????Java?м????????????????java???????ü???????????м???????????????????
???·???
??????????????????
2023/3/23 14:23:39???д?ò??????????
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2021/9/17 15:19:29???·???????·
2021/9/14 15:42:25?????????????
2021/5/28 17:25:47??????APP??????????
2021/5/8 17:01:11????????
?????????App Bug???????????????????????Jmeter?????????QC??????APP????????????????app?????е????????jenkins+testng+ant+webdriver??????????????JMeter????HTTP???????Selenium 2.0 WebDriver ??????