测试

-- Create table

create table B_SD_PACK_TMP_DETAIL

(

  ID            number,

  TMP_ID        number,

  IMSI_NO       NVARCHAR2(40),

  DEVICE_NUMBER NVARCHAR2(11),

  GOOD_FLAG     number(2) default 0

  STATUS        number(2),

  NOTE          nvarchar2(50),

)

;

-- Create table

create table B_SD_PACK_TMP_DETAIL

(

  ID            number,

  TMP_ID        number,

  IMSI_NO       NVARCHAR2(40),

  DEVICE_NUMBER NVARCHAR2(11),

  GOOD_FLAG     number(2) default 0

  STATUS        number(2),

  NOTE          nvarchar2(50),

)

;

-- Create table

create table B_SD_PACK_TMP_DETAIL

(

  ID            number,

  TMP_ID        number,

  IMSI_NO       NVARCHAR2(40),

  DEVICE_NUMBER NVARCHAR2(11),

  GOOD_FLAG     number(2) default 0

  STATUS        number(2),

  NOTE          nvarchar2(50),

)

;

select 'create sequence '||sequence_name||' minvalue 1

maxvalue 999999999999999999999999999

start with 1

increment by 1

cache 20;' from user_sequences

select 'create sequence '||sequence_name||' minvalue 1

maxvalue 999999999999999999999999999

start with 1

increment by 1

cache 20;' from user_sequences

SQL> select dbms_flashback.get_system_change_number from dual; 

  

GET_SYSTEM_CHANGE_NUMBER 

------------------------ 

                  479197 

  

SQL> select sal from emp where ename='SCOTT'; 

  

      SAL 

--------- 

  3000.00 

  

SQL> update emp set sal = 5000 where ename='SCOTT'; 

  

1 row updated 

  

SQL> commit; 

  

Commit complete

SQL> select sal from emp where ename='SCOTT'; 

  

      SAL 

--------- 

  5000.00 

  

SQL> select sal from emp as of scn 479197 where ename='SCOTT'; 

  

      SAL 

--------- 

  3000.00

SQL> select dbms_flashback.get_system_change_number from dual; 

  

GET_SYSTEM_CHANGE_NUMBER 

------------------------ 

                  479197 

  

SQL> select sal from emp where ename='SCOTT'; 

  

      SAL 

--------- 

  3000.00 

  

SQL> update emp set sal = 5000 where ename='SCOTT'; 

  

1 row updated 

  

SQL> commit; 

  

Commit complete

SQL> select sal from emp where ename='SCOTT'; 

  

      SAL 

--------- 

  5000.00 

  

SQL> select sal from emp as of scn 479197 where ename='SCOTT'; 

  

      SAL 

--------- 

  3000.00