我记得有人在甲骨文中使用了一个函数, 他们可以指定文本匹配的百分比 。 例如 :
0123456789
与此匹配: 1123456789
90% 或其它东西(我不是数学家,但希望你明白...)
我无法想出合适的关键词来寻找我要寻找的函数。 有人能帮我吗? 谢谢。
这可能看起来是这样的:
select *
from something s
where matches(s.textcolumn, Matching Text ) > .9
我记得有人在甲骨文中使用了一个函数, 他们可以指定文本匹配的百分比 。 例如 :
0123456789
与此匹配: 1123456789
90% 或其它东西(我不是数学家,但希望你明白...)
我无法想出合适的关键词来寻找我要寻找的函数。 有人能帮我吗? 谢谢。
这可能看起来是这样的:
select *
from something s
where matches(s.textcolumn, Matching Text ) > .9
您正在寻找的软件包是 utl_match 。
它包含通过编辑距离和相似性来勾引字符串的功能。
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