导出CLOB的几个SQL语句: 1.导出含有大字段数据的M条记录 exp 2. 导出指定记录记录 exp 3。 先将表按主键字段排序,然后取第1行到第2400行的记录 exp user/passwd statistics=none compress=n file=/oradata/info/backup/article/article_$i.dmp log=/oradata/info/backup/article/article_$i.log consistent=y tables=fsm_right_article query=\"where articleid in \(select articleid from \(select rownum as r_n\, article\.articleid from \(select articleid from fsm_right_article order by articleid desc\) article where rownum \<= 2400\) where r_n \> 0\)\" 编写一个shell脚本,循环执行导出2400条记录的命令,导出表的全部记录
vi /oradata/info/backup/scrips/exp_article.sh
#!/bin/bash export ORACLE_BASE=/oracle/app/oracle export ORACLE_HOME=/oracle/app/oracle/product/10.2.0/db_1 export NLS_LANG=AMERICAN_AMERICA.ZHS16GBK export ORACLE_SID=info export PATH=/oracle/app/oracle/product/10.2.0/db_1/bin:$PATH:$HOME/bin count=220979 i=0 step=2400 while [ $i -le $count ] do exp user/passwd statistics=none compress=n file=/oradata/info/backup/article/article_$i.dmp log=/oradata/info/backup/article/article_$i.log consistent=y tables=fsm_right_article query=\"where articleid in \(select articleid from \(select rownum as r_n\, article\.articleid from \(select articleid from couser\.fsm_right_article order by articleid desc\) article where rownum \<= $i+$step\) where r_n \> $i\)\" i=`expr $i + $step` file=`expr $file + 1` done |
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来自: 168一路发 > 《oracle备份恢复》