在执行Package时,SSISDB都会创建唯一的OperationID 和 ExecutionID,标识对package执行的操作和执行实例(Execution Instance),并记录operation message,统计executable的执行时间,便于developers 优化package的设计,对package进行故障排除. 一,在package发生错误时,查看失败的Executable An executable is a task or container that you
The Accidental DBA (Day 1 of 30): Hardware Selection: CPU and Memory Considerations 本文大意: 全篇主要讲硬件选择和服务器成本的考虑,包括内存的开销,cpu开销,以及sql server的收费方式. The Accidental DBA (Day 2 of 30): Hardware Selection: Disk Configurations and RAID -> Performance not C
select dbt.database_id, DB_NAME(dbt.database_id) '数据库名', dbt.transaction_id, at.name, at.transaction_begin_time, case at.transaction_type --事务类型 when 1 then '读/写事务' when 2 then '只读事务' when 3 then '系统事务' when 4 then '分布式事务' end 'transaction类型', case a
---查看所有存储过程或视图的位置 select a.name,a.[type],b.[definition] from sys.all_objects a,sys.sql_modules b where a.is_ms_shipped=0 and a.object_id = b.object_id and a.[type] in ('P','V','AF') order by a.[name] ASC GO --1.查看所有存储过程与函数 exec sp_stored_procedures -
SELECT [owt].[session_id], [owt].[exec_context_id], [owt].[wait_duration_ms], [owt].[wait_type], [owt].[blocking_session_id], [owt].[resource_description], CASE [owt].[wait_type] WHEN N'CXPACKET' THEN RIGHT ([owt].[resource_description], CHARINDEX (N
在执行Package时,SSISDB都会创建唯一的OperationID 和 ExecutionID,标识对package执行的操作和执行实例(Execution Instance),并记录operation message,统计executable的执行时间,便于developers 优化package的设计,对package进行故障排除. 一,在package发生错误时,查看失败的Executable An executable is a task or container that you
一.首先介绍lucene涉及到的排序过程 1.1.如何自定义排序对象 你可以自定义collector对象: 亦可以自定义comparator对象: 可以自定义scoredoc对象,决定如何处理结果集合: 1.2.这几种自定义之间有何区别? 自定义collector和comparator有什么区别呢???????? Besides building your own Collector to customize how the results are stored and sorted, anot
1.inner join ,left join 与 right join (from 百度知道) 例表aaid adate1 a12 a23 a3表bbid bdate1 b12 b24 b4 (1)两个表a,b相连接,要取出id相同的字段 select * from a inner join b on a.aid = b.bid 此时的取出的是:1 a1 b12 a2 b2 (2)left join 指:select * from a left jo
My testing environment: Windows Server 2012 R2 Essentials: With AD and standalone DC in one single box. Ubuntu: ubuntu-12.04.1-desktop-amd64 Basically, I was following Jack's awsome blog to do it: https://www.linux.com/learn/tutorials/336477:how-to-j
