如何遍历字段名称?

SQL Server中遍历指定表的字段及属性SELECT Column_name,IS_NULLABLE,DATA_TYPEFROM INFORMATION_SCHEMA.COLUMNSWHERE (TABLE_NAME = myTableName)TABLE_NAME:表名;Column_name:列名;IS_NULLABLE:是否允许为空;DataType:系统数据类型;ORDIN