为数据库设计人员提供了便捷，创建一个日志表，当用户添加，删除数据库对象的时候，记录下来详细的情况，也可以为数据库管理员的还原提供了参考，因为里面记录了准确的操作时间，值得大家参考。
USE [DataBaseName]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TRIGGER [ddlDatabaseTriggerLog]
ON DATABASE
FOR DDL_DATABASE_LEVEL_EVENTS //数据库级的触发器
AS
BEGIN
SET NOCOUNT ON;
DECLARE @data XML;
DECLARE @schema sysname;
DECLARE @object sysname;
DECLARE @eventType sysname;
SET @data = EVENTDATA();
SET @eventType = @data.value('(/EVENT_INSTANCE/EventType)[1]', 'sysname');
SET @schema = @data.value('(/EVENT_INSTANCE/SchemaName)[1]', 'sysname');
SET @object = @data.value('(/EVENT_INSTANCE/ObjectName)[1]', 'sysname')
IF @object IS NOT NULL
PRINT ' ' + @eventType + ' - ' + @schema + '.' + @object;
ELSE
PRINT ' ' + @eventType + ' - ' + @schema;
IF @eventType IS NULL
PRINT CONVERT(nvarchar(max), @data);
INSERT [dbo].[DatabaseLog]
(
[PostTime],
[DatabaseUser],
[Event],
[Schema],
[Object],
[TSQL],
[XmlEvent]
)
VALUES
(
GETDATE(),
CONVERT(sysname, CURRENT_USER),
@eventType,
CONVERT(sysname, @schema),
CONVERT(sysname, @object),
@data.value('(/EVENT_INSTANCE/TSQLCommand)[1]', 'nvarchar(max)'),
@data
);
END;
GO
SET ANSI_NULLS OFF
GO
SET QUOTED_IDENTIFIER OFF
GO
