?根據表名查找數據約束 SELECT * FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE TABLE_NAME = 'CMS_EventLog'; ? SELECT TABLE_NAME ,COLUMN_NAME ,CONSTRAINT_NAME -- <<-- the one you want! FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE WHERE TABLE_

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sql server合并行 In this article we will discuss about SQL Server Merge Replication Parameterized row filter issues while replicating incremental data changes post initial snapshot. 在本文中，我們將討論有關SQL Server合并復制參數化行過濾器問題，

索引sql server As a DBA, I am often asked why is something performing slow, what and why statistics need to be updated or what will cause them to be “off”. My initial question to clients when they pose these questions to me is what changed on your end?

索引sql server Understanding indexing needs allows us to ensure that important processes run efficiently and that our server hardware is not being over-taxed by poorly performing queries. sqlserver如何加索引， 了解索引需求使我們能夠確保重要的流程高效運行&

索引sql server In my previous article, SQL Server Table Structure Overview, we described, in detail, the difference between Heap table structure, in which the data pages are not sorted in any ordering criteria and the pages itself are not sorted or linked

This article explores the SQL Server Update Join statement in T-SQL for SQL Server. sqlserver默認端口號。 本文探討了T-SQL for SQL Server中SQL Server Update Join語句。 介紹 (Introduction) We use the Update statement in SQL Server for updating an existing

索引sql server 指數策略概述 (Index strategies overview) This article is about techniques for optimizing the SQL Server indexes strategy. It is an appendix of the SQL index overview and strategy article in which I covered different areas like what indexes

背景 (Background) We have all learned to love and hate the trusty Bike shop database. Almost every demo or presentation pertaining to SQL Server we do, we use the AdventureWorks sample database. Almost every code sample on books online references Adventu

編者按：數據庫性能優化和數據庫管理系統密切相關，不同的數據庫管理系統在具體操作上有很大不同。繼本報連續在2003年第48期、49期上刊登《sybase數據庫性能調優》和《oracle服務器性能調整攻略》，分別討論了sybase和oracle數據庫管理系統以后，本期