mysql批量数据脚本
create table dept(
id int unsigned primary key auto_increment,
deptno mediumint unsigned not null default 0,
dname varchar(20) not null default "",
loc varchar(13) not null default ""
)engine=innodb default charset=gbk;
create table emp(
id int unsigned primary key auto_increment,
empno mediumint unsigned not null default 0,/*编号*/
ename varchar(20) not null default "",/*姓名*/
job varchar(9) not null default "",/*工作*/
mgr mediumint unsigned not null default 0,/*上级编号*/
hiredate date not null,/*入职时间*/
sal decimal(7,2) not null, /*薪水*/
comm decimal(7,2) not null,/*红利*/
deptno mediumint unsigned not null default 0/*部门编号*/
)engine=innodb default charset=gbk;
show variables like 'log_bin_trust_function_creators';
set global log_bin_trust_function_creators=1;
a.随机产生字符串
delimiter $$
create function rand_string(n int) returns varchar(255)
begin
declare chars_str varchar(100) default 'qwertyuiopasdfghjklzxcvbnm';
declare return_str varchar(255) default '';
declare i int default 0;
while i<n do
set return_str=concat(return_str,substring(chars_str,floor(1+rand()*52),1));
set i=i+1;
end while;
return return_str;
end $$
b.随机产生部门编号
delimiter $$
create function rand_num() returns int(5)
begin
declare i int default 0;
set i=floor(100+rand()*10);
return i;
end $$
a.创建往emp表中插入数据的存储过程
delimiter $$
create procedure insert_emp(in start int(10),in max_num int(10))
begin
declare i int default 0;
/*把autocommit设置成0*/
set autocommit= 0;
repeat
set i=i+1;
insert into emp(empno,ename,job,mgr,hiredate,sal,comm,deptno)
values((start+i),rand_string(6),'SALESMAN',0001,curdate(),2000,400,rand_num());
until i=max_num end repeat;
commit;
end $$
b.创建往dept表中插入数据的存储过程
delimiter $$
create procedure insert_dept(in start int(10),in max_num int(10))
begin
declare i int default 0;
set autocommit=0;
repeat
set i=i+1;
insert into dept(deptno,dname,loc) values((start+i),rand_string(10),rand_string(8));
until i=max_num end repeat;
commit;
end $$
call insert_dept(100,10);//从deptno为100起插入10条随机生成数据
call insert_emp(100001,5000000);//从empno为100001起插入5000000条随机生成数据