SQLLoader7(只导入数据文件的其中几行记录)

数据文件:

D:\oracletest\test1.txt
1 SMITH CLERK 7902 1980-12-17 800 0 20

2 ALLEN SALESMAN 7698 1981-02-20 1600 300 30

3 WARD SALESMAN 7698 1981-02-22 1250 500 30

4 JONES MANAGER 7839 1981-04-02 2975 0 20

5 MARTIN SALESMAN 7698 1981-09-28 1250 1400 30

6 BLAKE MANAGER 7839 1981-05-01 2850 0 30

7 CLARK MANAGER 7839 1981-06-09 2450 0 10

8 SCOTT ANALYST 7566 1987-04-19 3000 0 20

9 KING PRESIDENT 1111 1981-11-17 5000 0 10

10 TURNER SALESMAN 7698 1981-09-08 1500 0 30

11 ADAMS CLERK 7788 1987-05-23 1100 0 20

12 JAMES CLERK 7698 1981-12-03 950 0 30

13 FORD ANALYST 7566 1981-12-03 3000 0 20

14 MILLER CLERK 7782 1982-01-23 1300 0 10

控制文件:

D:\oracletest\testSqlLdr3.ctl
LOAD DATA

INFILE 'D:\oracletest\test1.txt'

BADFILE 'D:\oracletest\testSqlLdr3.bad'

DISCARDFILE 'D:\oracletest\testSqlLdr3.dsc'

REPLACE

INTO TABLE emp2

FIELDS TERMINATED BY WHITESPACE

(EMPNO,ENAME,JOB,MGR,HIREDATE DATE "YYYY-MM-DD",SAL,COMM,DEPTNO)

导入方式:
以下测试的数据导入,使用的控制文件都是同一个。
1、从第5行开始导入 skip=4,使用skip参数跳过前边4行。
执行命令时加上参数:skip=N,即导入第N+1行后的所有文件。

D:\oracletest>sqlldr scott/tiger@orcl control=D:\oracletest\testSqlLdr3.ctl skip=4



SQL*Loader: Release 11.2.0.1.0 - Production on 星期一 12月 1 00:08:03 2014



Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.



达到提交点 - 逻辑记录计数 9

达到提交点 - 逻辑记录计数 10

查看导入结果:

SQL> select * from emp2;



EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO

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

5 MARTIN SALESMAN 7698 1981-09-28 1250 1400 30

6 BLAKE MANAGER 7839 1981-05-01 2850 0 30

7 CLARK MANAGER 7839 1981-06-09 2450 0 10

8 SCOTT ANALYST 7566 1987-04-19 3000 0 20

9 KING PRESIDENT 1111 1981-11-17 5000 0 10

10 TURNER SALESMAN 7698 1981-09-08 1500 0 30

11 ADAMS CLERK 7788 1987-05-23 1100 0 20

12 JAMES CLERK 7698 1981-12-03 950 0 30

13 FORD ANALYST 7566 1981-12-03 3000 0 20

14 MILLER CLERK 7782 1982-01-23 1300 0 10



已选择10行。

2、只导入其中的第3行至第10行记录
即:SKIP=2 LOAD=10---LOAD指定要导入的数据行数。

D:\oracletest>sqlldr scott/tiger@orcl control=D:\oracletest\testSqlLdr3.ctl skip=4 load=10



SQL*Loader: Release 11.2.0.1.0 - Production on 星期一 12月 1 00:09:46 2014



Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.



达到提交点 - 逻辑记录计数 9

达到提交点 - 逻辑记录计数 10

查看导入结果:

SQL> select * from emp2;



EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO

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

5 MARTIN SALESMAN 7698 1981-09-28 1250 1400 30

6 BLAKE MANAGER 7839 1981-05-01 2850 0 30

7 CLARK MANAGER 7839 1981-06-09 2450 0 10

8 SCOTT ANALYST 7566 1987-04-19 3000 0 20

9 KING PRESIDENT 1111 1981-11-17 5000 0 10

10 TURNER SALESMAN 7698 1981-09-08 1500 0 30

11 ADAMS CLERK 7788 1987-05-23 1100 0 20

12 JAMES CLERK 7698 1981-12-03 950 0 30

13 FORD ANALYST 7566 1981-12-03 3000 0 20

14 MILLER CLERK 7782 1982-01-23 1300 0 10



已选择10行。

3、前3行和最后2行不导入
相当于只导入从第4行至总行数减2行之间的数据,skip=2,load=9

D:\oracletest>sqlldr scott/tiger@orcl control=D:\oracletest\testSqlLdr3.ctl skip=4 load=9



SQL*Loader: Release 11.2.0.1.0 - Production on 星期一 12月 1 00:14:09 2014



Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.



达到提交点 - 逻辑记录计数 9

查看导入结果:

SQL> select * from emp2;



EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO

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

5 MARTIN SALESMAN 7698 1981-09-28 1250 1400 30

6 BLAKE MANAGER 7839 1981-05-01 2850 0 30

7 CLARK MANAGER 7839 1981-06-09 2450 0 10

8 SCOTT ANALYST 7566 1987-04-19 3000 0 20

9 KING PRESIDENT 1111 1981-11-17 5000 0 10

10 TURNER SALESMAN 7698 1981-09-08 1500 0 30

11 ADAMS CLERK 7788 1987-05-23 1100 0 20

12 JAMES CLERK 7698 1981-12-03 950 0 30

13 FORD ANALYST 7566 1981-12-03 3000 0 20



已选择9行。

 

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