sqlldr的介绍SQL*LOADER是ORACLE的数据加载工具，通常用来将操作系统文件（数据）迁移到ORACLE数据库中。

SQL*LOADER是大型数据仓库选择使用的加载方法，因为它提供了最快速的途径（DIRECT，PARALLEL）。

sqlldr的执行(在UNIX下用shell来调用)$ORACLE_HOME/bin/sqlldr dwh/cognos@ORA8 control=../tmp/load.ctl$ORACLE_HOME/bin/sqlldr dwh/cognos@ORA8 control=../tmp/load.ctl direct=true log=...制定控制文件load.ctl1、控制文件标识2、要输入的数据文件名为test.txt3、向表test中（追加）记录4、指定分隔符load datainfile '/query5/Ascential/data/month/mgmid.200304M'into table DC_RPT_T_MGMID_200304M_30 append(APPEND为追加方式，或REPLACE)fields terminated by ','(userid,svcnum,brand,svcPlan,busist,hvcFlag,mntFlag,userYear,joinMonth,callfee,callfeefav,tollfee,tollfeefav,calltimes,callduration,billduration,tollduration,totalFee,groupID)导入方式************* 以下是4种装入表的方式APPEND // 原先的表有数据就加在后面INSERT // 装载空表如果原先的表有数据sqlloader会停止默认值REPLACE // 原先的表有数据原先的数据会全部删除TRUNCATE // 指定的内容和replace的相同会用truncate语句删除现存数据导入日期型字段LOAD DATAINFILE 'zlx.TXT'append INTO TABLE zlxFIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"'(ID,L,F,M,DATE1 date 'dd-mm-yyyy')SQLLoader将Excel 数据导出到Oracle1.创建SQL*Loader输入数据所需要的文件,均保存到C:，用记事本编辑控制文件：input.ctl，内容如下：load data--1、控制文件标识infile 'test.txt'--2、要输入的数据文件名为test.txtappend into table test--3、向表test中追加记录fields terminated by X'09'--4、字段终止于X'09'，是一个制表符（TAB）(id,username,password,sj)-----定义列对应顺序2.还有一种方法可以把EXCEL文件另存为CSV（逗号分隔）(*.csv),控制文件就改为用逗号分隔LOAD DATAINFILE 'd:car.csv'APPEND INTO TABLE t_car_tempFIELDS TERMINATED BY …,‟(phoneno,vip_car)在控制文件中直接导入数据1、控制文件test.ctl的内容LOAD DATAINFILE *BADFILE 'C:Documents and SettingsJackey桌面WMCOUNTRY.BAD'INSERT INTO TABLE EMCCOUNTRYFields terminated by …;‟ Optionally enclosed by '"'(COUNTRYID,COUNTRYCODE,COUNTRYNAME,CONTINENTID ,MAPID ,CREATETIME DATE …MM/DD/YYYY HH24:MI:SS‟LASTMODIFIEDTIME DAT E …MM/DD/YYYY HH24:MI:SS‟)BEGINDATA1;"JP";"Japan";1;9;"09/16/2004 16:31:32"; 2;"CN";"China";1;10;"09/16/2004 16:31:32"; 3;"IN";"India";1;11;"09/16/2004 16:31:32"; 4;"AU";"Australia";6;12;"09/16/2004 16:31:32"; 5;"CA";"Canada";4;13;"09/16/2004 16:31:32"; 6;"US";"United States";4;14;"09/16/2004 16:31:32"; 7;"MX";"Mexico";4;15;"09/16/2004 16:31:32"; 8;"GB";"United Kingdom";3;16;"09/16/2004 16:31:32"; 9;"DE";"Germany";3;17;"09/16/2004 16:31:32"; 10;"FR";"France";3;18;"09/16/2004 16:31:32"; 11;"IT";"Italy";3;19;"09/16/2004 16:31:32"; 12;"ES";"Spain";3;20;"09/16/2004 16:31:32"; 13;"FI";"Finland";3;21;"09/16/2004 16:31:32"; 14;"SE";"Sweden";3;22;"09/16/2004 16:31:32"; 15;"IE";"Ireland";3;23;"09/16/2004 16:31:32"; 16;"NL";"Netherlands";3;24;"09/16/2004 16:31:32"; 17;"DK";"Denmark";3;25;"09/16/2004 16:31:32"; 18;"BR";"Brazil";5;85;"09/30/2004 11:25:43"; 19;"KR";"Korea, Republic of";1;88;"09/30/2004 11:25:43"; 20;"NZ";"New Zealand";6;89;"09/30/2004 11:25:43"; 21;"BE";"Belgium";3;79;"09/30/2004 11:25:43"; 22;"AT";"Austria";3;78;"09/30/2004 11:25:43"; 23;"NO";"Norway";3;82;"09/30/2004 11:25:43"; 24;"LU";"Luxembourg";3;81;"09/30/2004 11:25:43"; 25;"PT";"Portugal";3;83;"09/30/2004 11:25:43";26;"GR";"Greece";3;80;"09/30/2004 11:25:43"; 27;"IL";"Israel";1;86;"09/30/2004 11:25:43"; 28;"CH";"Switzerland";3;84;"09/30/2004 11:25:43";29;"A1";"Anonymous Proxy";0;0;"09/30/2004 11:25:43"; 30;"A2";"Satellite Provider";0;0;"09/30/2004 11:25:43"; 31;"AD";"Andorra";3;0;"09/30/2004 11:25:43"; 32;"AE";"United Arab Emirates";1;0;"09/30/2004 11:25:43"; 33;"AF";"Afghanistan";1;0;"09/30/2004 11:25:43"; 34;"AG";"Antigua and Barbuda";7;0;"09/30/2004 11:25:43"; 35;"AI";"Anguilla";7;0;"09/30/2004 11:25:43"; 36;"AL";"Albania";3;0;"09/30/2004 11:25:43"; 37;"AM";"Armenia";3;0;"09/30/2004 11:25:43"; 38;"AN";"Netherlands Antilles";3;0;"09/30/2004 11:25:43"; 39;"AO";"Angola";2;0;"09/30/2004 11:25:43"; 40;"AP";"Asia/Pacific Region";2;0;"09/30/2004 11:25:43"; 41;"AQ";"Antarctica";8;0;"09/30/2004 11:25:43"; 42;"AR";"Argentina";5;0;"09/30/2004 11:25:43"; 43;"AS";"American Samoa";6;0;"09/30/2004 11:25:43"; 44;"AW";"Aruba";5;0;"09/30/2004 11:25:43"; 45;"AZ";"Azerbaijan";1;0;"09/30/2004 11:25:43"; 46;"BA";"Bosnia and Herzegovina";3;0;"09/30/2004 11:25:43"; 47;"BB";"Barbados";5;0;"09/30/2004 11:25:43"; 48;"BD";"Bangladesh";1;0;"09/30/2004 11:25:43"; 49;"BF";"Burkina Faso";2;0;"09/30/2004 11:25:43"; 50;"BG";"Bulgaria";3;0;"09/30/2004 11:25:43"; 51;"BH";"Bahrain";1;0;"09/30/2004 11:25:43"; 52;"BI";"Burundi";2;0;"09/30/2004 11:25:43"; 53;"BJ";"Benin";2;0;"09/30/2004 11:25:43"; 54;"BM";"Bermuda";4;0;"09/30/2004 11:25:43"; 55;"BN";"Brunei Darussalam";1;0;"09/30/2004 11:25:43";56;"BO";"Bolivia";5;0;"09/30/2004 11:25:43";57;"BS";"Bahamas";7;0;"09/30/2004 11:25:43";58;"BT";"Bhutan";1;0;"09/30/2004 11:25:43";59;"BV";"Bouvet Island";5;0;"09/30/2004 11:25:43";60;"BW";"Botswana";2;0;"09/30/2004 11:25:43";61;"BY";"Belarus";3;0;"09/30/2004 11:25:43";2、执行导入命令C:>sqlldr userid=system/manager control=test.ctl有效的关键字:userid -- ORACLE username/passwordcontrol -- Control file namelog -- Log file namebad -- Bad file namedata -- Data file namediscard -- Discard file namediscardmax -- Number of discards to allow (全部默认)skip -- Number of logical records to skip (默认0)load -- Number of logical records to load (全部默认)errors -- Number of errors to allow (默认50)rows -- Number of rows in conventional path bind array or between direct path data saves（默认: 常规路径64, 所有直接路径）bindsize -- Size of conventional path bind array in bytes(默认256000)silent -- Suppress messages during run(header,feedback,errors,discards,partitions)direct -- use direct path (默认FALSE)parfile -- parameter file: name of file that contains parameter specifications parallel -- do parallel load (默认FALSE)file -- File to allocate extents fromskip_unusable_indexes -- disallow/allow unusable indexes or indexpartitions(默认FALSE)skip_index_maintenance -- do not maintain indexes, mark affected indexes as unusable(默认FALSE)readsize -- Size of Read buffer (默认1048576)external_table -- use external table for load; NOT_USED, GENERATE_ONLY, EXECUTE(默认NOT_USED)columnarrayrows -- Number of rows for direct path column array(默认5000) streamsize -- Size of direct path stream buffer in bytes(默认256000)multithreading -- use multithreading in direct pathresumable -- enable or disable resumable for current session(默认FALSE)resumable_name -- text string to help identify resumable statementresumable_timeout -- wait time (in seconds) for RESUMABLE(默认7200)date_cache -- size (in entries) of date conversion cache(默认1000)PLEASE NOTE: 命令行参数可以由位置或关键字指定。