sqlldr example01 basic

1)sqlldr
1@@@@most simple and typical example.
@@@
@@@<1>write the control file and make a source datafile.
@@@
@@@Create the dir first on your file system by oracle.
@@@In this case, I use password of the file system. 
[oracle@station78 ~ ]$ mkdir -p /home/oracle/test
[oracle@station78 test]$ pwd
/home/oracle/test

@@@login by root.
[root@station78 ~]# cat /etc/passwd >> /home/oracle/test/sqlldr01.dat

@@@login by oracle back.
[oracle@station78 test]$ cat sqlldr01.dat | head -n 3
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin

@@@
@@@<2>create directory object, then grant.
@@@
[oracle@station78 ~]$ sqlplus / as sysdba;
SYS@ocp> create directory dir01 as '/home/oracle/test';
Directory created.
SYS@ocp> grant read,write on directory dir01 to hr;
Grant succeeded.

@@@
@@@<3>create corresponding table.
@@@
SYS@ocp> conn hr/hr
Connected
HR@ocp> ed
  1  create table sqlldr_test(
  2  osname  varchar2(20),
  3  passwd  varchar2(1),
  4  userid  number(8),
  5  groupid  number(8),
  6  osfullname varchar2(40),
  7  homedir  varchar2(40),
  8* bash  varchar2(30))
HR@ocp> /
Table created.

@@@
@@@<4>write the ctl file, and loading data
@@@
[oracle@station78 test]$ pwd
/home/oracle/test
[oracle@station78 test]$ cat control01.ctl
load data
infile 'sqlldr01.dat'
into table sqlldr_test
fields terminated by ':'
(
 osname char,
 passwd char,
 userid integer external,
 groupid  integer external,
 osfullname integer external,
 homedir  char,
 bash  char
)

[oracle@station78 test]$ sqlldr hr/hr control=control01.ctl
SQL*Loader: Release 10.2.0.1.0 - Production on Wed Aug 22 15:18:47 2012
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
Commit point reached - logical record count 60

@@@
@@@<5>check result
@@@
@@@In this case column 5th is two long.
[oracle@station78 test]$ cat sqlldr01.bad
oprofile:x:16:16:Special user account to be used by OProfile:/home/oprofile:/sbin/nologin
pegasus:x:66:65:tog-pegasus OpenPegasus WBEM/CIM services:/var/lib/Pegasus:/sbin/nologin
cimsrvr:x:495:501:tog-pegasus OpenPegasus WBEM/CIM services:/var/lib/Pegasus:/sbin/nologin
tss:x:59:59:Account used by the trousers package to sandbox the tcsd daemon:/dev/null:/sbin/nologin

@@@
@@@the log file beside record the detail of error data.
[oracle@station78 test]$ cat control01.log
SQL*Loader: Release 10.2.0.1.0 - Production on Wed Aug 22 15:18:47 2012
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
Control File:   control01.ctl
Data File:      sqlldr01.dat
  Bad File:     sqlldr01.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 SQLLDR_TEST, loaded from every logical record.
Insert option in effect for this table: INSERT

   Column Name                  Position   Len  Term Encl Datatype
------------------------------ ---------- ----- ---- ---- ---------------------
OSNAME                              FIRST     *   :       CHARACTER           
PASSWD                               NEXT     *   :       CHARACTER           
USERID                               NEXT     *   :       CHARACTER           
GROUPID                              NEXT     *   :       CHARACTER           
OSFULLNAME                           NEXT     *   :       CHARACTER           
HOMEDIR                              NEXT     *   :       CHARACTER           
BASH                                 NEXT     *   :       CHARACTER           

Record 22: Rejected - Error on table SQLLDR_TEST, column OSFULLNAME.
ORA-12899: value too large for column "HR"."SQLLDR_TEST"."OSFULLNAME" (actual: 43, maximum: 40)

Record 42: Rejected - Error on table SQLLDR_TEST, column OSFULLNAME.
ORA-12899: value too large for column "HR"."SQLLDR_TEST"."OSFULLNAME" (actual: 41, maximum: 40)

Record 43: Rejected - Error on table SQLLDR_TEST, column OSFULLNAME.
ORA-12899: value too large for column "HR"."SQLLDR_TEST"."OSFULLNAME" (actual: 41, maximum: 40)

Record 57: Rejected - Error on table SQLLDR_TEST, column OSFULLNAME.
ORA-12899: value too large for column "HR"."SQLLDR_TEST"."OSFULLNAME" (actual: 63, maximum: 40)


Table SQLLDR_TEST:
  56 Rows successfully loaded.
  4 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:                 115584 bytes(64 rows)
Read   buffer bytes: 1048576

Total logical records skipped:          0
Total logical records read:            60
Total logical records rejected:         4
Total logical records discarded:        0

Run began on Wed Aug 22 15:18:47 2012
Run ended on Wed Aug 22 15:18:48 2012

Elapsed time was:     00:00:00.11
CPU time was:         00:00:00.01