只需一步,快速开始
level:把一个字符串按某一分隔符分隔后,变为数据列,即把字符串行变为列 示例1:有规则的字符串 with t as (select 'a;b;c;d;e' as str from dual) select level, t.str, substr(t.str, 2 * (level - 1) + 1, 1) ...
陈晓龙 发表于 2016-2-26 16:17 咦,这个还没用过呢!
万望 发表于 2016-2-25 00:06 玩的越来越高级了哈
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