一.问题发现 命令行进入数据库实例手动给某张表进行alter操作,发现如下报错. mysql> use xx_xxx; No connection. Trying to reconnect... Connection Current database: *** NONE *** Reading table information for completion of table and column names You can turn off this feature to get a quic…
ALTER TABLESPACE users ADD DATAFILE 'D:/oracle/oradata/orcl/users.dbf' SIZE 500M AUTOEXTEND ON NEXT 50M MAXSIZE 2000M; From Dba_Segments Group By Tablespace_Name…