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By:Jeffrey Yao || Related Tips:More Performance Tuning Problem We collect various performa ...
In the recent few days, I have found many clients having various script upgrade failures while appl ...
I’m itching to dig more into the SQL Server 2016 optimizer enhancements, but I’m going to complet ...
This is my first time blogging with a T-SQL Tuesday topic. If you follow my blog you’ve probably n ...

Avoiding Cloud Lock In T-SQL Tuesday

[ 2017-07-22 19:37:01 | by 店小二05 ]
T-SQL Tuesday is a monthly event where SQL Server bloggers write a post based on a subject chosen b ...
Arun Sirpal (@blobeater1 on Twitter) asked a great question today (11 April 2017) about the impact o ...
This article is a continuation of my previous article and I have provided alink for that article. F ...

T-SQL Tuesday #89 Changing Times

[ 2017-07-22 19:40:01 | by 店小二04 ]
This month the invitation is from Koen Verbeeck and it has to do with the cloud changes coming to t ...

T-SQL Tuesday #89 There is No Cloud

[ 2017-07-22 19:41:01 | by 店小二04 ]
T-SQL Tuesday is a monthly blog gatheringfor the SQL Server/Data Professional community It is the b ...
So if you're tired of the same old story Oh, turn some pages I will be here when ...
Inserting data using form is a time consuming task like bill pay queue (if not automated). If it’s ...

TSQL Tuesday Changing Times

[ 2017-07-22 19:44:01 | by 店小二05 ]
T-SQL Tuesday is a blog party started by Adam Machanic ( b/ t ) over five years ago. The first Tues ...
Question:I’m setting up a best practises document for our SQL Server builds and would like to focu ...
SQL数据库优化。 1.【强制】不要在foreach循环里进行元素的remove/add操作。remove元素请使用Iterator方式, ...
Excel报表基础数据导入SQL。今天来讲解下从Excel表的数据导进与之相对应的数据表里。 首先在数据库建一个空 ...
SQL多表查询之左右连接1.多表查询的操作、限制、笛卡尔积的问题2.统计函数及分组统计的操作3.子查询的操作, ...
【SQL改写】notexists-leftjoin(distinct)whereisnull改写,数据已经过脱敏处理。--原SQL 30min出不来结果s ...
SQL执行计划的理解。要理解执行计划,怎么也得先理解,那各种各样的名词吧。鉴于自己还不是很了解。本文打算 ...
sqlplus基础命令。 登入: 1.dos 界面: 普通用户登入: sqlplus username/password eg:sqlplus system/123456 ...
关于NoSQL数据库你应该了解的10件事。 四分之一个世纪以来,关系型数据库(RDBMS)一直是主流数据库模型。但 ...
I think that one of the most interesting and confusing data types in SQL Server is datetime. I thou ...

SQL Server的WITH (NOLOCK)

[ 2017-07-22 21:29:01 | by 店小二03 ]
缺点: 1.会产生脏读 2.只适用与select查询语句 优点: 1.有些文件说,加了WITH (NOLOCK)的SQL查询效 ...
1. Introduction In a previous article “ SQL Server Audit feature discovery and architecture “ ...
1. Introduction 1.1 Intended audience This document is intended for database administrators who ...
Its been an interesting weekend at gethynellis.com I have been attempting to put together a SQL Se ...
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