The database could not be exclusively locked to perform the operation
解决办法找了很久才找到,如下:
1.执行SQL ALTER DATABASE db_database SET SINGLE_USER WITH ROLLBACK IMMEDIATE
修改为单用户模式
2.将数据库的字符集修改为:
alter database dbname collate Chinese_PRC_CI_AS
3.然后关闭所有的查询窗口,修改Options的Collocation属性为Chinese_PRC_90_CI_AS
4.执行SQL ALTER DATABASE db_database SET MULTI_USER
再修改为多用户模式