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SQLServer操作数据库 sqlServer 数据库教程 SQL语句 SQLServer操作数据库
1.数据库组成由数据文件和日志文件组成 2.系统数据库组成由：master数据库、model数据库、msdb数据库、tempdb数据库 3.创建数据库 语法格式： 一个简单的例子：...
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Quickly Clone a Database in SQL Server (2016 SP1 & 2014 SP2) with DBCC...
Have you ever been in a similar situation where your PROD database size is in GBs or TBs, and for a code-release validation or some performance-fix you need to restore it on an Dev or Test server? You...
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R and SQL Server 2016
SQL and SQL Only I am Nagaraj (aka Raj), a SQL Server Database Administrator for one of the busiest OLTP systems in Singapore. Being a SQL Enthusiast for over 10 years now, I love to explore and share...
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SQL Server 2016 Enterprise Edition Performance Advantages
On November 16, 2016, Microsoft announced some very significant changes for SQL Server 2016 Standard Edition, which were implemented in SQL Server 2016 Service Pack 1 (Build 13.0.4001.0). Many very...
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Use CSV filecomma separatedin extraction process of SSIS, MSBI
Hey learner’s let us get acquainted with one more error which a candidate of Mumbai in MSBI training . Below explained is the scenario which caused error and resolution given to it. Error: Now while...
View ArticleDifference between Control Flow & Data Flow in SSIS project, MSBI
With deep diving into practical’s session ofMSBI Mumbai Trainingwe also cover basics and important concepts, definition and differences. So below is one such difference explained during training. The...
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SSIS Custom Logging Levels
In my ongoing series onETL best practices, I recently wrote about the importance of logging in extract-transform-load processes. For users of later versions (2012 and beyond) of SQL Server Integration...
View ArticleSSIS data flow vs. insert-select
To transform data within a single SQL Server, with source and target data in the same database, it is probably faster to use an INSERT statement than a SSIS data flow task. I compared performance of...
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SQL SERVER SqlServerWriter Missing from an Output of VSSadmin List Writers Co...
One of a DBA from my client contacted me for a quick suggestion when I was working with them on a performance tuning exercise. I always ask for some time to explain the exact problem and behavior. As...
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New function STRING_AGG() with option “WITHIN GROUP” SQL Server vNext (2018 ...
In one of my [ previous post ] I discussed about a new function STRING_SPLIT() introduced in SQL Server 2016 , which splits a Sentence or CSV String to multiple values or rows. Now with the latest CTP...
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[译]SQL Server 虚拟化（1）――虚拟化简介
前言： 现代系统中，虚拟化越来越普遍，如果缺乏对虚拟化工作原理的理解，那么DBA在解决性能问题比如降低资源争用、提高备份还原速度等操作时就会出现盲点。所以基于本人工作环境的情况和大时代的趋势，同时根据个人经验，绝大部分的IT人员都对虚拟化持有怀疑或者保留意见的态度。所以这里开始一个系列文章，介绍SQL Server虚拟化的内容，内容来自 Stairway to Server...
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Did you say SQL Server? Yes I did….
Introduction My last blog post in 2016 on SQL Server 2016….. Some years ago, I have heard predictions from ‘ experts ‘ that within a few years Hadoop / Spark systems would take over traditional...
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Clustered Columnstore Index really hates Updates
First a little background. I’m working on a large fact table that behaves itself as a slowly changing type 2 dimension. Weird right? But I have a good reason for this: it’s a snapshot table and if I...
View ArticleExam study material for Developing Microsoft SQL Server Databases - Exam 70-464
By:Daniel Calbimonte || Related Tips:More > Professional Development Certifications Problem I would like to know what books, videos, links and advice you would recommend to pass the Developing...
View ArticleGroupBy Registration is Open for 3 More Days
GroupBy is a new community-driven conference where your voting picks the lineup. Here’s the sessions you chose: Friday January 13th: 8AM Eastern: SQL Server 2016: It Just Runs Faster with Bob Ward...
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The Show Hidden Cubes SSAS Connection String Property
If you need to write queries in SQL Server Management Studio against an SSAS cube that has its Visible property set to false, you have a problem because when you connect to your database you can’t see...
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What is Memory Grants Pending in SQL Server? Interview Question of the Week #...
Question:What is Memory Grants Pending in SQL Server? Answer:Very interesting question and this subject is so long, it will be difficult to cover in a single blog post. I will try to answer this...
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SQL SERVER FIX Error Msg 4928, Level 16, State 1. Cannot Alter Column B ...
One of my Facebook followers sent me an interesting situation, where he faced error related replication or change data capture. Hi Pinal, We have a database in our QA environment which is restored...
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Incorrect selection of SSIS component in MSBI
While creating SSIS project during MSBI Mumbai training a fresher trainee got stuck up with following error. Error: Lab is of SSIS project and whileusing Conditional split this is the error which was...
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SQL Error SQL Server blocked access to STATEMENT ‘OpenRowset/ OpenDatasource ...
Today while executing a Stored Procedure which internally executes a remote query via Linked Server, I got following error: Msg 50000, Level 16, State 127, Procedure spExecureRemoteQuery, Line 50 SQL...
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