oracle常见错误
IMP-00015: 由于对象已存在, 下列语句失败:
"CREATE SEQUENCE "LOG_SEQ" MINVALUE 1 MAXVALUE 999999999999999 INCREMENT BY "
"1 START WITH 1296 NOCACHE ORDER CYCLE"

应该是表空间不够了，修改如下：
SQL> alter database datafile 'C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\APPORTAL.DBF' autoextend on next 20m maxsize 1g;