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af Daniel Svendsen | 27. november 2013
  

Enrich your Data Warehouse dimensions with help from SQL Server 2012 Master Data Services

As a Data Warehouse Consultant, I´m often asked the following by customers: “Is it possible to enrich our dimension data with some manually maintained data” and the answer is always “yeah, of course”. However, quite quickly the questions of:

- Who should input this data
- How do I inform that a new dimension value is available
- In which system should the user import this data
- And how can it been done in a user friendly manner

I have successfully used Master Data Services from SQL Server 2012 to manage this challenge.
Master Data Services offer an Excel plugin and a web application that makes it easy for business users to push data to a SQL Server. This tutorial will focus on the Excel plugin for pushing data.
This blog post will explain how you can push data from your SQL Server to your MDS implementation, thereby making it possible for the business user to enrich the data.

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SQL SERVER 2012 T-SQL SSIS Microsoft

  
 
af Martin Schmidt | 10. november 2013
  

SQL Server trace flags

Normally I’m not a big fan of using trace flags, my advice is only to use these when it is absolutely necessary otherwise don’t. Here is a list of the documented trace flags that you can use with SQL Server. That is the documented once, besides that there is a list of undocumented trace flags – and it is as you might already have guessed one of these I’ll be blogging about today.

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SQL Trace Flags T-SQL SQL Server

  
 
af Martin Schmidt | 4. november 2013
  

Backup On-Premises SQL Server Databases to Azure Storage

With the release of SQL Server 2012 SP1 CU2, an enhancement to the BACKUP command has been added. Now the BACKUP command support “TO URL” when you specify a backup device. This gives you the option to use an Azure Storage account as destinations for your backups.

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SQL Azure T-SQL SQL Server Cloud

  
 
af Martin Schmidt | 1. november 2013
  

Filegroup confusion

Where did I put my Sales table?

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SQL Data Management T-SQL SQL Server

  
 
af Henrik Zacher Molbech | 26. marts 2013
  

Using table variables in a SSIS data source is not returning any records

Every now and then standard queries just aren’t sufficient as data sources and therefore it might be neccesary to add an intermediate step. For instance by using a table variable. But using a table variable will by default not return any records. So what do we do, then?

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T-SQL SQL Server SSIS Microsoft

  
 
 
af inspari | 15. november 2012
  

Output row values effected by an update

Have you ever thought about logging the before and after value for an update or delete? It’s actually pretty simple getting these information as a return on an update and delete.

Lets make a quick example.

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T-SQL SQL Server Microsoft

  
 
af inspari | 9. november 2012
  

Updateable views

By default view are updateable. It means you can write a TSQL update statement against a view just like you can update a table. I both cases you off course need update permissions. This give you an opportunity to let users update views containing less columns than the original table. You can update data in a view even if your dataset is a join on two or more tables.

In this blog we will se how you avoid users from update data out of your view.

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T-SQL SQL Server Microsoft

  
 
af inspari | 7. november 2012
  

Avoid schema changes corrupting your views

Maybe you are using views as a layer between your tables and your users. If you have a lot of views you properly know the case where a table is change and now your view is not working anymore.

Lets see how to avoid schema changes corrupting your views.

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T-SQL SQL Server Microsoft

  
 
af inspari | 17. september 2012
  

dbcc checkdb

Almost every one of my customers is running backup of their databases (you would be surprised if you knew how many databases never been backed up.. but that is another story). Unfortunately a lot of these databases has never been tested with dbcc checkdb. dbcc checkdb is a little like the good old chkdsk in DOS. dbcc checkdb checks the logical and physical integrity of all the objects in the database. Not running dbcc checkdb in worse case this means that someone is backing up an corrupt database. In that case when you need to restore your database…. well it is not good.

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SQL SERVER 2012 T-SQL SQL Server

  
 
 
af inspari | 31. januar 2012
  

New string conversion functions

SQL Server 2012 contains two new string conversion functions. PARSE and TRY_PARSE. These two functions make life a lot easier when you want to convert a string to another data type.

The different between the two functions are that PARSE will return an error if the conversion fails. TRY_PARSE will return NULL.

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SQL SERVER 2012 T-SQL Microsoft