我有一个叫作文章的表格,我想检索到在<代码>Tags领域包含标记的所有文章。 <代码>Tags 外地载有一套经限定的座标。
如果我试图找到一个包含标签php的文章。 它应当从一张表格中收回有一条规定的结果。 a. 看起来如此的塔格领域:
- php
- c++,php,python
如果我在PHP中这样做的话,我会简单地利用探索,但我不想通过数据库中的每一行,而是使用更有效的方法。
我有一个叫作文章的表格,我想检索到在<代码>Tags领域包含标记的所有文章。 <代码>Tags 外地载有一套经限定的座标。
如果我试图找到一个包含标签php的文章。 它应当从一张表格中收回有一条规定的结果。 a. 看起来如此的塔格领域:
如果我在PHP中这样做的话,我会简单地利用探索,但我不想通过数据库中的每一行,而是使用更有效的方法。
您可以使用同样的经营者。
select * from articles where tag like %php%
如果你对不属于营地但拥有像Aphphp这样的营地的广场感到担忧,那么你就可以使用 com子。
select * from articles where tag like %php,% or tag like %,php%
it match:
学历
SELECT *
FROM articles
WHERE articleTags LIKE "%php%"
在Oracle, 您可使用Oracle text。
简单地说,查询数据就象
select * from articles where contains(fieldName, contentText) > 0
关于Oracle文本的询问,请上http://docs.oracle.com/cd/B28359_01/text.111/b28303/query.htm>rel=“nofollow”>here。
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