高手的Oracle大批量删除数据方法
作者 凌众技术
来源 互联网
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发布时间 2012-01-15
| on SQL> exec delBigTab('HS_DLF_DOWNLOG_HISTORY','NUMDLFLOGGUID < 11200000','10000'); Finished! Totally 96936 records deleted! PL/SQL procedure successfully completed. Elapsed: 00:00:18.61 10万记录大约19s SQL> exec delBigTab('HS_DLF_DOWNLOG_HISTORY','NUMDLFLOGGUID < 11300000','10000'); Finished! Totally 100000 records deleted! PL/SQL procedure successfully completed. Elapsed: 00:00:18.62 SQL> exec delBigTab('HS_DLF_DOWNLOG_HISTORY','NUMDLFLOGGUID < 11400000','10000'); Finished! Totally 100000 records deleted! PL/SQL procedure successfully completed. Elapsed: 00:00:18.85 SQL> SQL> exec delBigTab('HS_DLF_DOWNLOG_HISTORY','NUMDLFLOGGUID < 13000000','10000'); Finished! Totally 1000000 records deleted! PL/SQL procedure successfully completed. Elapsed: 00:03:13.87 100万记录大约3分钟 SQL> exec delBigTab('HS_DLF_DOWNLOG_HISTORY','NUMDLFLOGGUID < 20000000','10000'); Finished! Totally 6999977 records deleted! PL/SQL procedure successfully completed. Elapsed: 00:27:24.69 700万大约27分钟
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