WindowsϵÄOracleÀ䱸·Ý½Å±¾£¬ÒѾ²âÊÔͨ¹ý
¹²ÐèÒª´´½¨Á½¸öÎļþÔÚͬһ¸öĿ¼Ï£º
Ò»£º
Îļþoracle_cool_backup.bat£¬ÄÚÈÝÈçÏ£º
Remark ¶¨Òåʱ¼äÈÕÆÚ±äÁ¿
set date=%date:~0,10%
set h=%time:~0,2%
set m=%time:~3,2%
set s=%time:~6,2%
set tempvar=%date%-%h%-%m%-%s%
md "c:/temp/%tempvar%/"
echo %tempvar%
sqlplus /nolog @oracle_cool_backup.sql %tempvar%
call oracle_cool_backup_spool.bat
pause
¶þ£ºÎļþoracle_cool_backup.sql£¬ÄÚÈÝÈçÏ£º
Remark oracle_cool_backup.sql
Remark À䱸·Ý½Å±¾
Remark ÉèÖÃSQL*Plus»·¾³±äÁ¿
conn sys/sunny as sysdba;
set feedback off heading off verify off trimspool off
set pagesize 0 linesize 200
Remark ÉèÖÃÓû§±äÁ¿
define spoolfile = 'oracle_cool_backup_spool.bat'
prompt *** spooling to &spoolfile
Remark ´´½¨°üº¬±¸·ÝÃüÁîµÄ½Å±¾Îļþ
spool &spoolfile
Remark ÏÂÃæµÄe:\temp\&1ºó±ØÐë¼Ó"\" ²»È»Ìáʾ»¹ÊÇĿ¼Ãû(F = Îļþ£¬D = Ŀ¼)?
select 'copy ' || name || ' c:\temp\&1\' from v$datafile;
select 'copy ' || name || ' c:\temp\&1\' from v$controlfile;
select 'copy ' || member || ' c:\temp\&1\' from v$logfile;
select 'copy ' || name || ' c:\temp\&1\' from v$tempfile;
spool off;
Remark ¹Ø±ÕÊý¾Ý¿â
shutdown immediate;
exit;
Ïà¹ØÎĵµ£º
ʲôÊǺϲ¢¶àÐÐ×Ö·û´®£¨Á¬½Ó×Ö·û´®£©ÄØ£¬ÀýÈ磺
SQL> desc test;
Name Type Nullable Default Comments
------- ------------ -------- ------- --------
COUNTRY VARCHAR2(20) Y &nb ......
drop table tmp_lzw_3283_tar;
create table tmp_lzw_3283_tar
(
servnumber varchar2(11)
)
;
load data
infile 'tar_3283.txt'
insert into table tmp_lzw_3283_tar
fields terminated by '|'
(
servnumber
)
/*
select count(*),count(distinct servnumber) from tmp_lzw_3283_ta ......
RAW£¬ÀàËÆÓÚCHAR£¬ÉùÃ÷·½Ê½RAW(L)£¬LΪ³¤¶È£¬ÒÔ×Ö½ÚΪµ¥Î»£¬×÷ΪÊý¾Ý¿âÁÐ×î´ó2000£¬×÷Ϊ±äÁ¿×î´ó32767×Ö½Ú¡£
LONG RAW£¬ÀàËÆÓÚLONG£¬×÷ΪÊý¾Ý¿âÁÐ×î´ó´æ´¢2G×Ö½ÚµÄÊý¾Ý£¬×÷Ϊ±äÁ¿×î´ó32760×Ö½Ú
²åÈërawÊý¾Ý²Ù×÷:
¡¡¡¡insert into raw_test values (1, ......
ʵÀý¶Ô±ÈOracleÖÐtruncateºÍdeleteµÄÇø±ð
ɾ³ý±íÖеÄÊý¾ÝµÄ·½·¨ÓÐdelete,truncate,
ËüÃǶ¼ÊÇɾ³ý±íÖеÄÊý¾Ý,¶ø²»ÄÜɾ³ý±í½á¹¹,delete ¿ÉÒÔɾ³ýÕû¸ö±íµÄÊý¾ÝÒ²¿ÉÒÔɾ³ý±íÖÐijһÌõ»òNÌõÂú×ãÌõ¼þµÄÊý¾Ý,¶øtruncateÖ»ÄÜɾ³ýÕû¸ö±íµÄÊý¾Ý,Ò»°ãÎÒÃǰÑdelete ²Ù×÷ÊÕ×÷ɾ³ý±í,¶øtruncate²Ù×÷½Ð×÷½Ø¶Ï±í.
truncate²Ù×÷Óëdelete²Ù× ......