问题描述 java 往新浪云部署 一直连接不上数据库 用户名和密码都已经配置对了呀,求大神解决 报错内容 Caused by: org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC
原文:人人都是 DBA(V)SQL Server 数据库文件 SQL Server 数据库安装后会包含 4 个默认系统数据库:master, model, msdb, tempdb. SELECT [name] ,database_id ,suser_sname(owner_sid) AS [owner] ,create_date ,user_access_desc ,state_desc FROM sys.databases WHERE database_id <= 4; master mas