推荐一个软件和一个格式化工具
evernote 方便的记录,支持各种平台 android、iphone、ipad、mac、windows、blackberry、web,并且可以相互共享,也算是一朵小云
使用http://quickhighlighter.com/ 可以把代码漂亮的色彩格式,真的很好用。
比如
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SELECT t.*
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FROM (SELECT D.TABLESPACE_NAME,
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SPACE “SUM_SPACE(M)”,
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BLOCKS SUM_BLOCKS,
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SPACE - NVL(FREE_SPACE, 0) “USED_SPACE(M)”,
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ROUND((1 - NVL(FREE_SPACE, 0) / SPACE) * 100, 2) “USED_RATE(%)”,
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FREE_SPACE “FREE_SPACE(M)”
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FROM (SELECT TABLESPACE_NAME,
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ROUND(SUM(BYTES) / (1024 * 1024), 2) SPACE,
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SUM(BLOCKS) BLOCKS
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FROM DBA_DATA_FILES
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GROUP BY TABLESPACE_NAME) D,
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(SELECT TABLESPACE_NAME,
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ROUND(SUM(BYTES) / (1024 * 1024), 2) FREE_SPACE
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FROM DBA_FREE_SPACE
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GROUP BY TABLESPACE_NAME) F
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WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME(+)) t
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ORDER BY “USED_RATE(%)” DESC;
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