标签:ble blocks temp sel cot tables res lob 创建
查看表空间使用:select USERNAME,TABLESPACE,BLOCKS from v$sort_usage where USERNAME=‘SCOTT‘;
临时表创建:
1.事务级临时表:事务结束,数据消失
create global tempoary table temp as select * from t_user;
2.会话级临时表:会话结束,数据消失
create global tempoary table temp2 on commit preserve rows as select * from t_user;
标签:ble blocks temp sel cot tables res lob 创建
原文地址:https://www.cnblogs.com/cyf18/p/10808211.html