在控制台根目录中依次点开Microsoft SQL Server--SQL Server组--双击打开你的服务器--双击打开数据库目录--选择你的数据库名称(如论坛数据库Forum)--然后点击右键选择属性--选择选项--在故障还原的模式中选择"简单",
但 TRUNCATE TABLE 比 DELETE 速度快,且使用的系统和事务日志资源少。DELETE 语句每次删除一行,并在事务日志中为所删除的每行记录一项。TRUNCATE TABLE 通过释放存储表数据所用的数据页来删除数据,并且只在事务日志中记录页的释放。 8、TRUNCATE TABLE 删除表中的所有行,但表结构及其列、约束、索引等保持不变。新行...
SQL Server、Azure SQL 資料庫、Fabric SQL 資料庫的語法 syntaxsql TRUNCATETABLE{database_name.schema_name.table_name|schema_name.table_name|table_name} [WITH(PARTITIONS( {<partition_number_expression>|<range>} [ , ...n ] ) ) ] [ ; ]<range>::=<partition_number_expression>TO<partition_nu...
Microsoft SQL Server 2008 R2 and Microsoft SQL Server 2012 vary as follows:Transact-SQL does not support this feature. See the # and ## table name prefixes for equivalent functionality.See [ISO/IEC9075-1:2011] for the definition of "table"....
Microsoft SQL Server 2008 R2 and Microsoft SQL Server 2012 vary as follows: Transact-SQLdoes not support this feature. Transact-SQL does not support either multisets or arrays.
Truncate Table 2015-03-05 11:50 −Truncate是一个能够快速清空资料表内所有资料的SQL语法。并且能针对具有自动递增值的字段,做计数重置归零重新计算的作用。 TRUNCATE TABLE 在功能上与不带 WHERE 子句的 DELETE 语句相同:二者均删除表中的全部行。但 TRUNCATE TABLE 比 DELETE 速度快... ...
完整SQL查询如下: --3.3ROLLUP从属子句selectYEAR(orderdate)asorderyear,MONTH(orderdate)asordermonth,DAY(orderdate)asorderday,SUM(qty)assumqtyfromdbo.Ordersgroupbyrollup(YEAR(orderdate),MONTH(orderdate),DAY(orderdate)); 执行结果如下图所示:
are only two options for storing this data: either datetime or smalldatetime. No matter which one I use I end up with time information when I query the database table. I’ve heard that SQL Server 2008 offers more options for storing date and time values. Will any of these fit my needs...
方法1 -- 清空已有数据,并且将自增自段恢复从1开始计数 truncate table 表名 方法2 -- 不清空已有数据,但将自增自段恢复从1开始计数 dbcc checkident(表名,RESEED,0) 让SQL自动增长的ID号从一个新的位置开始 在查询分析器中执行后,该表自动增长列从1开始 ...
WriteTo .MSSqlServer( connectionString: "Server=localhost;Database=LogDb;Integrated Security=SSPI;", sinkOptions: new MSSqlServerSinkOptions { TableName = "LogEvents" }) .CreateLogger(); Sample Programs There is a set of small and simple sample programs provided with the source code in the...