标签:语句 strong file sele code oracl from attach acl
ORACLE 统计文件后缀SQL查询语句
select lower(substr(file_name,instr(file_name, ‘.‘, -1),length(file_name))),count(*) from brofwk_attachment where instr(file_name,‘.‘) >0 group by lower(substr(file_name,instr(file_name, ‘.‘, -1),length(file_name)));
标签:语句 strong file sele code oracl from attach acl
原文地址:https://www.cnblogs.com/doraman/p/12850719.html