行转列功能汇总(转)
String Aggregation Techniques(字符串汇总技术)On occasion it is necessary to aggregate data from a number of rows into a single row, giving a list of data associated with a specific value. Using the...
判断索引是否要重建【转】
Determine if an index is a good candidate for a rebuild. It is important to regularly examine all the indexes to determine if they have become skewed and might need to be rebuilt.When an index ...
栽培你的团队
成员之间的能力如能做到互补就更好招聘团队成员时,最好能根据已有成员的优势和弱势,进行互补的方式引进新人。如果某个技能的员工确实工作量比较大时,就要引进新的人员加入。注重员工“传帮带”大部分公司...
查看临时表空间的使用情况
Temporary Tablespaces Data that is only used for the duration of a session is stored in a temporary tablespaces. Such data is for example the result of a sort (order by) operation. More sp...
查询所有表空间的占用率
经常用这个SQL,省得每次重写,建议DBA们也收集TOAD的一些管理时常用的SQL,最好能理解SELECT a.tablespace_name, round(a.bytes_alloc / 1024 / 1024, 2) megs_alloc, &...