dul实验(exp)
准备数据：
[oracle@sgpc146 s01]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.3.0 Production on Fri Sep 16 00:14:38 2011
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning and Automatic Storage Management options
SQL> create table "000".tcyang as select * from dba_objects;
Table created.
Elapsed: 00:00:00.18
SQL> insert into "000".tcyang select * from "000".tcyang;
14358 rows created.
Elapsed: 00:00:00.05
SQL> /
28716 rows created.
Elapsed: 00:00:00.06
SQL> /
57432 rows created.
Elapsed: 00:00:00.10
SQL> /
114864 rows created.
Elapsed: 00:00:00.18
SQL> commit;
Commit complete.
Elapsed: 00:00:00.01
SQL> select count(1) from "000".tcyang;
COUNT(1)
----------
229728
Elapsed: 00:00:00.01
SQL>
exp导出数据：
[oracle@sgpc146 expdp]$ exp userid=\"/ as sysdba\" file=tcyang.dmp log=tcyang.log tables="000".tcyang
Export: Release 11.2.0.3.0 - Production on Fri Sep 16 00:18:58 2011
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning and Automatic Storage Management options
Export done in ZHS16GBK character set and AL16UTF16 NCHAR character set
About to export specified tables via Conventional Path ...
Current user changed to 000
. . exporting table TCYANG 229728 rows exported
Export terminated successfully without warnings.
[oracle@sgpc146 expdp]$
[oracle@sgpc146 s01]$ more init.dul
osd_big_endian_flag=false
osd_dba_file_bits=10
osd_c_struct_alignment=32
osd_file_leader_size=0
osd_word_size = 32
dc_columns=2000000
dc_tables=10000
dc_objects=1000000
dc_users=400
dc_segments=100000
db_block_size=8192
export_mode=false
compatible=11
BUFFER=10000000
LDR_ENCLOSE_CHAR=|
[oracle@sgpc146 s01]$
[oracle@sgpc146 s01]$ ./dul
Data UnLoader: 10.2.0.5.8 - Internal Only - on Fri Sep 16 00:20:38 2011
with 64-bit io functions
Copyright (c) 1994 2011 Bernard van Duijnen All rights reserved.
Strictly Oracle Internal Use Only
DUL: Warning: Recreating file "dul.log"
DUL> SCAN DUMP FILE /orabak/expdp/tcyang.dmp;
0: CSET: 852 (ZHS16GBK)
3: SEAL EXPORT:V11.02.00
20: DBA SYS
26: TYPE TABLES
8461: CONNECT 000
8473: TABLE "TCYANG"
8488: CREATE TABLE "TCYANG" ("OWNER" VARCHAR2(30), "OBJECT_NAME" VARCHAR2(128), "SUBOBJECT_NAME" VARCHAR2(30), "OBJECT_ID" NUMBER, "DATA_OBJECT_ID" NUMBER, "OBJECT_TYPE" VARCHAR2(19), "CREATED" DATE, "LAST_DDL_TIME" DATE, "TIMESTAMP" VARCHAR2(19), "STATUS" VARCHAR2(7), "TEMPORARY" VARCHAR2(1), "GENERATED" VARCHAR2(1), "SECONDARY" VARCHAR2(1), "NAMESPACE" NUMBER, "EDITION_NAME" VARCHAR2(30)) PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT) TABLESPACE "SGERP5TEST" LOGGING NOCOMPRESS
9065: INSERT INTO "TCYANG" ("OWNER", "OBJECT_NAME", "SUBOBJECT_NAME", "OBJECT_ID", "DATA_OBJECT_ID", "OBJECT_TYPE", "CREATED", "LAST_DDL_TIME", "TIMESTAMP", "STATUS", "TEMPORARY", "GENERATED", "SECONDARY", "NAMESPACE", "EDITION_NAME") VALUES (:1, :2, :3, :4, :5, :6, :7, :8, :9, :10, :11, :12, :13, :14, :15)
9368: BIND information for 15 columns
col[ 1] type 1 max length 30 cset 852 (ZHS16GBK) form 1
col[ 2] type 1 max length 128 cset 852 (ZHS16GBK) form 1
col[ 3] type 1 max length 30 cset 852 (ZHS16GBK) form 1
col[ 4] type 2 max length 22
col[ 5] type 2 max length 22
col[ 6] type 1 max length 19 cset 852 (ZHS16GBK) form 1
col[ 7] type 12 max length 7
col[ 8] type 12 max length 7
col[ 9] type 1 max length 19 cset 852 (ZHS16GBK) form 1
col[ 10] type 1 max length 7 cset 852 (ZHS16GBK) form 1
col[ 11] type 1 max length 1 cset 852 (ZHS16GBK) form 1
col[ 12] type 1 max length 1 cset 852 (ZHS16GBK) form 1
col[ 13] type 1 max length 1 cset 852 (ZHS16GBK) form 1
col[ 14] type 2 max length 22
col[ 15] type 1 max length 30 cset 852 (ZHS16GBK) form 1
Conventional export
9474: start of table data
24786158: EXIT
24786163: EXIT
DUL> unexp table "000"."TCYANG" ("OWNER" VARCHAR2(30), "OBJECT_NAME" VARCHAR2(128), "SUBOBJECT_NAME" VARCHAR2(30), "OBJECT_ID" NUMBER, "DATA_OBJECT_ID" NUMBER, "OBJECT_TYPE" VARCHAR2(19), "CREATED" DATE, "LAST_DDL_TIME" DATE, "TIMESTAMP" VARCHAR2(19), "STATUS" VARCHAR2(7), "TEMPORARY" VARCHAR2(1), "GENERATED" VARCHAR2(1), "SECONDARY" VARCHAR2(1), "NAMESPACE" NUMBER, "EDITION_NAME" VARCHAR2(30)) dump file /orabak/expdp/tcyang.dmp from 0;
DUL: Error: Zero length column DUL: Error: Zero length column DUL: Error: Zero length column DUL: Error: Zero length column DUL: Error: Zero length column DUL: Error: Zero length column DUL: Error: Zero length column DUL: Error: Zero length column 9474: succesful conversion 9474 bytes skipped due to conversion problems Unloaded 229728 rows, end of table marker at 24785892 DUL> exit
[oracle@sgpc146 s01]$ more 000_TCYANG.ctl load data infile '000_TCYANG.dat' insert into table "000"."TCYANG" fields terminated by whitespace ( "OWNER" CHAR(30) enclosed by X'7C' ,"OBJECT_NAME" CHAR(30) enclosed by X'7C' ,"SUBOBJECT_NAME" CHAR(27) enclosed by X'7C' ,"OBJECT_ID" CHAR(5) enclosed by X'7C' ,"DATA_OBJECT_ID" CHAR(5) enclosed by X'7C' ,"OBJECT_TYPE" CHAR(18) enclosed by X'7C' ,"CREATED" DATE "DD-MON-YYYY AD HH24:MI:SS" enclosed by X'7C' ,"LAST_DDL_TIME" DATE "DD-MON-YYYY AD HH24:MI:SS" enclosed by X'7C' ,"TIMESTAMP" CHAR(19) enclosed by X'7C' ,"STATUS" CHAR(5) enclosed by X'7C' ,"TEMPORARY" CHAR(1) enclosed by X'7C' ,"GENERATED" CHAR(1) enclosed by X'7C' ,"SECONDARY" CHAR(1) enclosed by X'7C' ,"NAMESPACE" CHAR(2) enclosed by X'7C' ,"EDITION_NAME" CHAR(1) enclosed by X'7C' "UNEXP_STATUS" FILLER CHAR(3) enclosed by X'7C') ) [oracle@sgpc146 s01]$ tail -1 000_TCYANG.dat |9959| |TB201109_ILS| || |15040| |15040| |TABLE| |15-SEP-2012 AD 00:28:31| |15-SEP-2012 AD 00:39:45| |2012-09-15:00:28:31| |VALID| |N| |N| |N| |1| || | | [oracle@sgpc146 s01]$
重新导入进行验证：
SQL>truncate table "000".tcyang;
[oracle@sgpc146 s01]$ sqlldr userid=\"/ as sysdba\" control=/s01/000_TCYANG.ctl log=/s01/tcyang.log Commit point reached - logical record count 229222 Commit point reached - logical record count 229286 Commit point reached - logical record count 229350 Commit point reached - logical record count 229414 Commit point reached - logical record count 229478 Commit point reached - logical record count 229542 Commit point reached - logical record count 229606 Commit point reached - logical record count 229670 Commit point reached - logical record count 229728
[oracle@sgpc146 s01]$ more tcyang.log SQL*Loader: Release 11.2.0.3.0 - Production on Fri Sep 16 00:49:43 2011 Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved. Control File: /s01/000_TCYANG.ctl Data File: 000_TCYANG.dat Bad File: /s01/000_TCYANG.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 "000"."TCYANG", loaded from every logical record. Insert option in effect for this table: TRUNCATE Column Name Position Len Term Encl Datatype ------------------------------ ---------- ----- ---- ---- --------------------- "OWNER" FIRST 30 WHT | CHARACTER "OBJECT_NAME" NEXT 30 WHT | CHARACTER "SUBOBJECT_NAME" NEXT 27 WHT | CHARACTER "OBJECT_ID" NEXT 5 WHT | CHARACTER "DATA_OBJECT_ID" NEXT 5 WHT | CHARACTER "OBJECT_TYPE" NEXT 18 WHT | CHARACTER "CREATED" NEXT * WHT | DATE DD-MON-YYYY AD HH24:MI:SS "LAST_DDL_TIME" NEXT * WHT | DATE DD-MON-YYYY AD HH24:MI:SS "TIMESTAMP" NEXT 19 WHT | CHARACTER "STATUS" NEXT 5 WHT | CHARACTER "TEMPORARY" NEXT 1 WHT | CHARACTER "GENERATED" NEXT 1 WHT | CHARACTER "SECONDARY" NEXT 1 WHT | CHARACTER "NAMESPACE" NEXT 2 WHT | CHARACTER "EDITION_NAME" NEXT 1 WHT | CHARACTER Table "000"."TCYANG": 229728 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: 44544 bytes(64 rows) Read buffer bytes: 1048576 Total logical records skipped: 0 Total logical records read: 229728 Total logical records rejected: 0 Total logical records discarded: 0 Run began on Fri Sep 16 00:49:43 2011 Run ended on Fri Sep 16 00:49:49 2011 Elapsed time was: 00:00:05.77 CPU time was: 00:00:01.61 [oracle@sgpc146 s01]$