oracle常用SQL
摘要:PLSQL查询中文是问号(????) 一列分隔成6列,如'1.2.3.4.5.6'分隔成6列 SELECT TO_NUMBER(REGEXP_SUBSTR('1.2.3.4.5.6','[^.]+',1,1)) T1 ,NVL(TO_NUMBER(REGEXP_SUBSTR('1.2.3.4.5.6
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posted @ 2019-09-18 09:52
posted @ 2019-09-18 09:52
posted @ 2019-09-16 16:33
posted @ 2019-09-12 11:04
posted @ 2019-09-12 09:11