oracle10g docs <
Note: The MAXVALUE and MINVALUE columns of USER_, DBA_,
and ALL_TAB_COLUMNS have a length of 32 bytes. If you analyze
columns with a length >32 bytes, and if the columns are padded
with leading blanks, then Oracle Database may take into account
only the leading blanks and return unexpected statistics.
在*_tab_columns中并没有 MAXVALUE,MINvalue这两个字段.
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/94384/viewspace-600299/ ，如需转载，请注明出处，否则将追究法律责任。
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