CASE11

1. SQL脚本

[oracle@node3 ulcase]$ cat ulcase11.sql

set termout off

rem host write sys$output "Building demonstration tables for case study 11.  Please wait"

drop table emp;

create table emp
(empno number(4) not null,
ename char(10),
job char(9),
mgr number(4),
hiredate date,
sal number(7,2),
comm number(7,2),
deptno number(2),
projno number,
loadseq number); exit

2. 控制文件

[oracle@node3 ulcase]$ cat ulcase11.ctl

-- Copyright (c) 1991, 2004 Oracle.  All rights reserved.
-- NAME
-- ulcase11.ctl - SQL*Loader Case Study 11: Load Data in the Unicode
-- Character Set UTF-16
--
-- DESCRIPTION
-- This case study demonstrates the following:
-- Using SQL*Loader to load data in the Unicode character set, UTF16.
--
-- Using SQL*Loader to load data in a fixed-width, multibyte character set.
--
-- Using character-length semantics.
--
-- Using SQL*Loader to load data in little-endian byte order. SQL*Loader
-- checks the byte order of the system on which it is running. If necessary,
-- SQL*Loader swaps the byte order of the data to ensure that any
-- byte-order-dependent data is correctly loaded.
--
-- TO RUN THIS CASE STUDY:
-- 1. Before executing this control file, log in to SQL*Plus as
-- scott/tiger. Enter @ulcase11 to execute the SQL script for
-- this case study. This prepares and populates tables and
-- then returns you to the system prompt.
--
-- 2. At the system prompt, invoke the case study as follows:
-- sqlldr USERID=scott/tiger CONTROL=ulcase11.ctl LOG=ulcase11.log
--
-- NOTES ABOUT THIS CONTROL FILE
--
-- The character set specified with the CHARACTERSET keyword is UTF16.
-- SQL*Loader will convert the data from the UTF16 character set to
-- the database character set. Because UTF16 is specified as the
-- character set, character-length semantics are used for the load.
--
-- BYTEORDER LITTLE tells SQL*Loader that the data in the datafile is
-- in little-endian byte order. SQL*Loader checks the byte order of the
-- system on which it is running to determine if any byte-swapping is
-- necessary. In this example, all the character data in UTF16 is
-- byte-order dependent.
--
-- The TERMINATED BY and OPTIONALLY ENCLOSED BY clauses both specify
-- hexadecimal strings. The X'002c' is the encoding for a comma (,) in
-- UTF-16 big-endian format. The X'0022' is the encoding for a double
-- quotation mark (") in big-endian format. Because the datafile is in
-- little-endian format, SQL*Loader swaps the bytes before checking for
-- a match. If these clauses were specified as character strings instead
-- of hexadecimal strings, SQL*Loader would convert the strings to the
-- datafile character set (UTF16) and byte-swap as needed before checking
-- for a match.
--
-- Because character-length semantics are used, the maximum length for
-- the empno, hiredate, and deptno fields is interpreted as characters,
-- not bytes.
--
-- The TERMINATED BY clause for the deptno field is specified using the
-- character string ":". SQL*Loader converts the string to the datafile
-- character set (UTF16) and byte-swaps as needed before checking for a match. LOAD DATA
CHARACTERSET utf16
BYTEORDER little
INFILE ulcase11.dat
REPLACE INTO TABLE EMP
FIELDS TERMINATED BY X'002c' OPTIONALLY ENCLOSED BY X''
(empno integer external (5), ename, job, mgr,
hiredate DATE(20) "DD-Month-YYYY",
sal, comm,
deptno CHAR(5) TERMINATED BY ":",
projno,
loadseq SEQUENCE(MAX,1) )

3. 数据文件

数据文件因为是UTF16编码,在文本文件中显示为乱码,在这里不贴出。

执行后结果:

[oracle@node3 ulcase]$ sqlplus scott/tiger @ulcase11.sql

[oracle@node3 ulcase]$ sqlldr userid=scott/tiger control=ulcase11.ctl

SQL> select * from emp;

EMPNO ENAME  JOB       MGR HIREDATE       SAL    COMM  DEPTNO PROJNO    LOADSEQ
----- ------ --------- ----- --------- ------- ----- ------ ------ ----------
7782 Clark Manager 7839 09-JUN-81 2573 10 101 1 7839 King President 17-NOV-81 5500 10 102 2 7934 Miller Clerk 7782 23-JAN-82 920 10 102 3 7566 Jones Manager 7839 02-APR-81 3124 20 101 4 7499 Allen Salesman 7698 20-FEB-81 1600 300 30 103 5 7654 Martin Salesman 7698 28-SEP-81 1313 1400 30 103 6 7658 Chan Analyst 7566 03-MAY-82 3450 20 101 7 7 rows selected.

查看一下日志文件:

[oracle@node3 ulcase]$ cat ulcase11.log

SQL*Loader: Release 11.2.0.1.0 - Production on Fri Sep 19 04:13:59 2014

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

Control File:   ulcase11.ctl
Character Set utf16 specified for all input.
Using character length semantics.
Byteorder little endian specified. Data File: ulcase11.dat
Bad File: ulcase11.bad
Discard File: none specified (Allow all discards) Number to load: ALL
Number to skip: 0
Errors allowed: 50
Bind array: 64 rows, maximum of 256000 bytes
Continuation: none specified
Path used: Conventional Table EMP, loaded from every logical record.
Insert option in effect for this table: REPLACE Column Name Position Len Term Encl Datatype
------------------------------ ---------- ----- ---- ---- ---------------------
EMPNO FIRST 10 , O(") CHARACTER
ENAME NEXT * , O(") CHARACTER
JOB NEXT * , O(") CHARACTER
MGR NEXT * , O(") CHARACTER
HIREDATE NEXT 40 , O(") DATE DD-Month-YYYY
SAL NEXT * , O(") CHARACTER
COMM NEXT * , O(") CHARACTER
DEPTNO NEXT 10 : O(") CHARACTER
PROJNO NEXT * , O(") CHARACTER
LOADSEQ SEQUENCE (MAX, 1) Table EMP:
7 Rows successfully loaded.
0 Rows not loaded due to data errors.
0 Rows not loaded because all WHEN clauses were failed.
0 Rows not loaded because all fields were null. Space allocated for bind array: 104768 bytes(64 rows)
Read buffer bytes: 1048576 Total logical records skipped: 0
Total logical records read: 7
Total logical records rejected: 0
Total logical records discarded: 0 Run began on Fri Sep 19 04:13:59 2014
Run ended on Fri Sep 19 04:13:59 2014 Elapsed time was: 00:00:00.41
CPU time was: 00:00:00.24

总结:在本例中

1> CHARACTERSET utf16指数据文件的字符集是utf16

2> BYTEORDER little指the data in the datafile is in little-endian byte order。

SQL*Loader之CASE11的更多相关文章

  1. SQL*LOADER错误总结

    在使用SQL*LOADER装载数据时,由于平面文件的多样化和数据格式问题总会遇到形形色色的一些小问题,下面是工作中累积.整理记录的遇到的一些形形色色错误.希望能对大家有些用处.(今天突然看到自己以前整 ...

  2. Bulkcopy对应的实现是Oracle的SQL*LOADER,期间造成Index Unusable,并且last_ddl_time上是不体现的

    部分项目反馈系统整体突然变慢,经查询发现一个系统核心的大数据表的索引状态全部是Unusable. 导致索引失效的直接原因:当某些操作导致数据的rowid改变,索引就会完全失效. 那什么时候会导致row ...

  3. SQL*Loader之CASE10

    CASE10 1. SQL脚本 [oracle@node3 ulcase]$ cat ulcase10.sql rem host write sys$output "Building dem ...

  4. SQL*Loader之CASE9

    CASE9 1. SQL脚本 [oracle@node3 ulcase]$ cat ulcase9.sql set termout off rem host write sys$output &quo ...

  5. SQL*Loader之CASE8

    CASE8 1. SQL脚本 [oracle@node3 ulcase]$ cat ulcase8.sql set termout off rem host write sys$output &quo ...

  6. SQL*Loader之CASE7

    CASE7 1. SQL脚本 case7包含两个SQL脚本,一个是删除脚本ulcase7e.sql,一个是创建脚本ulcase7s.sql [oracle@node3 ulcase]$ cat ulc ...

  7. SQL*Loader之CASE6

    CASE6 1. SQL脚本 [oracle@node3 ulcase]$ cat ulcase6.sql set termout off rem host write sys$output &quo ...

  8. SQL*Loader之CASE5

    CASE5 1. SQL脚本 [oracle@node3 ulcase]$ cat ulcase5.sql set termout off rem host write sys$output &quo ...

  9. SQL*Loader之CASE4

    CASE4 1. SQL脚本 [oracle@node3 ulcase]$ cat ulcase4.sql set termout off rem host write sys$output &quo ...

随机推荐

  1. html5+css3 制作音乐播放器

    //css// body , html{    margin:0;    padding:0;    font:12px Arial, Helvetica, sans-serif;    } .Mus ...

  2. Android中将布局文件转成bitmap

    在实践中发现,有些需要打印的小票高度小于屏幕的高度,而有些小票内容过多高度高于屏幕高度. 小于屏幕高度的布局文件转成bitmap较为容易,高于屏幕高度的布局文件转成长图bitmap较为复杂. 一.小于 ...

  3. zabbix3.x web设置手册(2)

    在浏览器中输入:http://10.50.32.48/zabbix/setup.php 如下图: 点击Next step: 如上图,右侧全为ok,则点击Next step:若右侧有fail的情况,需要 ...

  4. 字符串混淆技术在.NET程序保护中的应用及如何解密被混淆的字符串

    Visual Studio提供的Dotfuscator保护程序,可以对用户代码中包含的字符串进行加密.比如下面的例子,为了找到这个程序的注册算法,用.NET Reflector加载程序集后,发现代码中 ...

  5. tsd-提升IDE对JavaScript智能感知的能力

    在编写前端JavaScript代码时,最痛苦的莫过于代码的智能感知(Intelli Sense). 追其根源,是因为JavaScript是一门弱类型的动态语言.对于弱类型的动态语言来说,智能感知就是I ...

  6. nim的引用和指针

    nim语言的引用和其他语言的指针有点相似 可以提供一种“多对一”的关系 这就意味着不同的引用可以指向同一个内存位置 nim区分可被追踪的引用和不可被追踪的引用 不可被追踪的引用又称为指针 可被追踪的引 ...

  7. 在代码中设置IE9的默认文档模式

    要在旧系统中加一个jquery插件,本地demo测试没问题,部署到服务器后却报错.使用的是IE9浏览器,打开F12调试台,发现默认的文档模式是IE7,调成IE9后,报错消失.可以确认是该插件不兼容IE ...

  8. [FPGA] 2、新建并运行一个工程

    上一篇将开发板的情况大致介绍了一下,这次将一步一步展示如何新建.调试并下载运行一个点亮LED的工程. 1)打开Quartus新建工程: 2)填写规则大致如下: 3)选择我们芯片的类型: 4)点击fil ...

  9. jni和java对应关系

    Java 类型 本地类型 描述 boolean jboolean C/C++8位整型 byte jbyte C/C++带符号的8位整型 char jchar C/C++无符号的16位整型 short ...

  10. Linux-磁盘管理小结

    这篇博文主要总结了Linux磁盘的一些操作,主要是硬盘的加载,分区(MBR分区和GPT分区),分区的挂载,以及swap分区的加载设置. 基础命令 df查看磁盘分区使用状况 -l //仅显示本地磁盘(默 ...