4、 连接数据库后，选择新建查询，在查询分析器中输入sp_detach_db 数据库名（sp_detach_db为系统存储过程，数据库名为目标数据库名称），确认无误后，右键点击执行命令即可完成分离操作。

在12月“DB-Engines关系型数据库排行榜”中，国产数据库TiDB、OceanBase、阿里云PolarDB分列44、52、53位；南大通用GBase数据库在关系型数据库中全球排名第61位，较去年同期（77位）提升16名，排名国产数据库第四名；腾讯TDSQL数据库（77位）和华为OpenGauss数据库（79位）则紧随其后，分别位列国产数据库第五、六名。

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