alter column errors

Question

2009-08-26 14:38:42,562 ERROR (org.hibernate.tool.hbm2ddl.SchemaUpdate:156) - ORA-01430: 表中已经存在要添加的列2009-08-26 14:38:42,593 ERROR (org.hibernate.tool.hbm2ddl.SchemaUpdate:155) - Unsuccessful: alter table Employees add name varchar2(25 char)
2009-08-26 14:38:42,593 ERROR (org.hibernate.tool.hbm2ddl.SchemaUpdate:156) - ORA-01430: 表中已经存在要添加的列2009-08-26 14:38:42,625 ERROR (org.hibernate.tool.hbm2ddl.SchemaUpdate:155) - Unsuccessful: alter table Employees add note varchar2(100 char)
2009-08-26 14:38:42,625 ERROR (org.hibernate.tool.hbm2ddl.SchemaUpdate:156) - ORA-01430: 表中已经存在要添加的列2009-08-26 14:38:42,640 ERROR (org.hibernate.tool.hbm2ddl.SchemaUpdate:155) - Unsuccessful: alter table Employees add sex varchar2(5 char)
2009-08-26 14:38:42,640 ERROR (org.hibernate.tool.hbm2ddl.SchemaUpdate:156) - ORA-01430: 表中已经存在要添加的列2009-08-26 14:38:42,656 ERROR (org.hibernate.tool.hbm2ddl.SchemaUpdate:155) - Unsuccessful: alter table Employees add birthday date
是什么原因呢????

Answer 1

汗~  没看懂  ， 你解释下吧   这个是不是你用hibernate 写完bean 然后SchemaExport表的时候出的错？