mysql+oracle创建表并插入大量数据脚本

时间:2020-06-10
本文章向大家介绍mysql+oracle创建表并插入大量数据脚本,主要包括mysql+oracle创建表并插入大量数据脚本使用实例、应用技巧、基本知识点总结和需要注意事项,具有一定的参考价值,需要的朋友可以参考一下。

####MySql####

use stu;
drop table if exists student;
create table student 
  (  s_id int(11) not null auto_increment ,
     sno    int(11), 
     sname varchar(50), 
     sage  int(11), 
     ssex  varchar(8) ,
     father_id int(11),
      mather_id int(11),
      note varchar(500),
     primary key (s_id),
   unique key uk_sno (sno)
  ) engine=innodb default charset=utf8mb4;
truncate table student;
  delimiter $$
drop function if exists   insert_student_data $$
create function insert_student_data()
 returns  int deterministic
    begin
    declare  i int;
      set i=1;
      while  i<50000000 do 
      insert into student  values(i ,i, concat('name',i),i,case when floor(rand()*10)%2=0 then 'f' else 'm' end,floor(rand()*100000),floor(rand()*1000000),concat('note',i) );
      set i=i+1;
      end while;
      return 1;
    end$$
delimiter ;    
select  insert_student_data();
select count(*) from student;
use stu;
create table course 
  ( 
     c_id int(11) not null auto_increment ,
     cname varchar(50)
     note varchar(500), primary key (c_id)
  )  engine=innodb default charset=utf8mb4;
truncate table course;
  delimiter $$
drop function if exists   insert_course_data $$
create function insert_course_data()
 returns  int deterministic
    begin
    declare  i int;
      set i=1;
      while  i<=1000 do 
      insert into course  values(i , concat('course',i),floor(rand()*1000),concat('note',i) );
      set i=i+1;
      end while;
      return 1;
    end$$
delimiter ;    
select  insert_course_data();
select count(*) from course;
use stu;
drop table if exists sc;
create table sc 
  ( 
     s_id    int(11), 
     c_id    int(11), 
     t_id    int(11),
     score int(11) 
  )  engine=innodb default charset=utf8mb4;
truncate table sc;
  delimiter $$
drop function if exists   insert_sc_data $$
create function insert_sc_data()
 returns  int deterministic
    begin
    declare  i int;
      set i=1;
      while  i<=50000000 do 
      insert into sc  values( i,floor(rand()*1000),floor(rand()*10000000),floor(rand()*750)) ;
      set i=i+1;
      end while;
      return 1;
    end$$
delimiter ;    
select  insert_sc_data();
commit;
select  insert_sc_data();
commit;
create index idx_s_id  on sc(s_id)   ; 
create index idx_t_id  on sc(t_id)   ; 
create index idx_c_id  on sc(c_id)   ; 
select count(*) from sc;
use stu;
drop table if exists teacher;
create table teacher 
  ( 
    t_id  int(11) not null auto_increment ,
     tname varchar(50) ,
     note varchar(500),primary key (t_id)
  )  engine=innodb default charset=utf8mb4;

  truncate table teacher;
  delimiter $$
drop function if exists   insert_teacher_data $$
create function insert_teacher_data()
 returns  int deterministic
    begin
    declare  i int;
      set i=1;
      while  i<=10000000 do 
      insert into teacher  values(i , concat('tname',i),concat('note',i) );
      set i=i+1;
      end while;
      return 1;
    end$$
delimiter ;    
select  insert_teacher_data();
commit;
select count(*) from teacher;
####Oracle####
create
tablespace scott_data datafile '/home/oracle/oracle_space/sitpay1/scott_data.dbf' size 1024m autoextend on; create tablespace scott_index datafile '/home/oracle/oracle_space/sitpay1/scott_index.dbf' size 64m autoextend on; create temporary tablespace scott_temp tempfile '/home/oracle/oracle_space/sitpay1/scott_temp.dbf' size 64m autoextend on; drop user scott cascade; create user scott identified by tiger default tablespace scott_data temporary tablespace scott_temp ; grant resource,connect,dba to scott; drop table student; create table student ( s_id number(11) , sno number(11) , sname varchar2(50), sage number(11), ssex varchar2(8) , father_id number(11), mather_id number(11), note varchar2(500) ) nologging; truncate table student; create or replace procedure insert_student_data is q number(11); begin q:=0; for i in 1..50 loop insert /*+append*/ into student select rownum+q as s_id,rownum+q as sno, concat('sutdent',rownum+q ) as sname,floor(dbms_random.value(1,100)) as sage,'f' as ssex,rownum+q as father_id,rownum+q as mather_id,concat('note',rownum+q ) as note from dual connect by level<=1000000; q:=q+1000000; commit; end loop; end insert_student_data; / call insert_student_data(); alter table student add constraint pk_student primary key (s_id); commit; select count(*) from student; create table course ( c_id number(11) primary key, cname varchar2(50), note varchar2(500) ) ; truncate table course; create or replace procedure insert_course_data is q number(11); begin for i in 1..1000 loop insert /*+append*/ into course values(i , concat('name',i),concat('note',i) ); end loop; end insert_course_data; / call insert_course_data(); commit; select count(*) from course; create table sc ( s_id number(11), c_id number(11), t_id number(11), score number(11) ) nologging; truncate table sc; create or replace procedure insert_sc_data is q number(11); begin q:=0; for i in 1..50 loop insert /*+append*/ into sc select rownum+q as s_id, floor(dbms_random.value(0,1000)) as c_id,floor(dbms_random.value(0,10000000)) t_id,floor(dbms_random.value(0,750)) as score from dual connect by level<=1000000; q:=q+1000000; commit; end loop; end insert_sc_data; / call insert_sc_data(); create index idx_s_id on sc(s_id) ; create index idx_t_id on sc(t_id) ; create index idx_c_id on sc(c_id) ; select count(*) from sc; create table teacher ( t_id number(11) , tname varchar2(50) , note varchar2(500) )nologging ; truncate table teacher; create or replace procedure insert_teacher_data is q number(11); begin q:=0; for i in 1..10 loop insert /*+append*/ into teacher select rownum+q as t_id, concat('teacher',rownum+q ) as tname,concat('note',rownum+q ) as note from dual connect by level<=1000000; q:=q+1000000; commit; end loop; end insert_teacher_data; / call insert_teacher_data(); alter table teacher add constraint pk_teacher primary key (t_id); select count(*) from teacher;

原文地址:https://www.cnblogs.com/codechange/p/13083787.html