摘要：
查询用户表空间对应关系select username, default_tablespace from dba_users;查询表空间使用情况 select a.file_id "FileNo",a.tablespace_name "Tablespace_name", a.bytes "Bytes",a.bytes-sum(nvl(b.bytes,0)) "Used", sum(nvl(b.bytes,0)) "Free", sum(nvl(b.bytes,0))/a.bytes*100 &qu 阅读全文
摘要：
错误信息description The server encountered an internal error () that prevented it from fulfilling this request.exceptionorg.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.jdbc.UncategorizedSQLException: SqlMapClient operation; uncatego 阅读全文
摘要：
1 表太多,显示太乱.如何规整化表？1.1 全选Physical Diagram 范围内的表.右键 Auto-Layout.选择一种视图.1.2 统计表的整体信息以及表的个数.pdm 图右键 List of -->tables 阅读全文