Oracle数据库的增删改查

//1.创建表

CREATE TABLE TJN(NAME VARCHAR2(400),SEX VARCHAR2(400),CLASSMATE VARCHAR2(400));

//2.创建里面的属性

//3.增删改查

delete DA where ID=1

select ID,NAME,SEX from DA where ID=1

select * from DA

insert into DA values(4,‘贤’,0);

update DA set name=‘姜’ where ID=1

//删除语句

1.delect DA where name=‘小丑’

2.delete DA//删除所有的

3.delete DA where id=1

4.delete DA where sex=0

//插入语句

insert into DA (ID,NAME,SEX) VALUES(1,‘艾米’,0)

insert into DA (ID,NAME) VALUES(2,‘愚昧’)

insert into DA(ID,SEX) VALUES(3,‘虚荣’)

insert into DA(NAME,SEX) VALUES(‘愚蠢’,1)

//修改语句

update DA set NAME=‘挫折’,SEX=0 where ID=1

update DA set ID=2,SEX=0 where NAME=’’

update DA set NAME=‘挫折’,SEX=0 where ID=1

delete from DA where ID=1