SQL Server 记录(更新中...)
sys.databases
显示所有数据库信息
sys.tables
显示当前数据库所有的表的信息
Go
向 SQL Server 实用工具发出一批 Transact-SQL 语句已结束的信号，Go本身不是T-SQL语句
sq_addrole 等等
SQL Server 系统存储过程以字符 sp_ 开头。
EXEC或EXECUTE
执行 Transact-SQL 批处理中的命令字符串、字符串或执行下列模块之一：系统存储过程、用户定义存储过程、CLR 存储过程、标量值用户定义函数或扩展存储过程。
sqlserver中使用的N‘xxx’
N'xxx' 标识将单引号中的xxx强制转换为Unicode编码的字符,不用在中文情况下会出现乱码.
因为在英文中常用的是ASCII码(一个字符占一个字节),而我们用的中文一个汉字就要占两个字节所以要用N'xxx'强制转换为Unicode编码的字符,这样单引号中不管是英文字符还是汉字一个都占两个字节,统一起来,不会出现乱码! 加上 N 代表存入数据库时以 Unicode 格式存储。
EXEC sp_helpuser '用户名'
查看指定用户被赋予的所有角色，如果后面不指定用户名，则列出所用用户对应的角色。
分隔标识符（数据库引擎）
详细的解释可以点我
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