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Sam Vanga

Sam Vanga helps business people solve their data problems and enables them make data-driven-decisions. His specialties include data integration, data warehouse and database development, and BI design. Sam blogs at http://SamuelVanga.com.

Scripts to Detect Data Warehouse Issues

Standards and best practices are like flu shots you take before you're infected; Database best practices protect your databases from bad things. But, we all make mistakes. It could be because we're on a time crunch, or we're lazy (which I'm guilty of by the way), or maybe it's part… Read more

0 comments, 253 reads

Posted in Sam Vanga on 15 January 2013

Every ebook from Apress for $15

Query Performance Tuning. Grant Fritchey. $15. If this doesn’t excite you, nothing will. Apress is offering every e-book for just $15 on Nov. 26. Here is a list of books I’m purchasing and recommend to you.

SQL Server 2012 Integration Services Design Patterns

I already bought this, and I love… Read more

0 comments, 513 reads

Posted in Sam Vanga on 26 November 2012

PASS SQL Saturday World Map

I had the pleasure of helping Karla Landrum (@Karlakay22) for the PASS Summit 2012 by creating two dashboards: SQL Saturday events and PASS Chapters on a world map. If you attended either SQL Saturday round table or Community Zone at the Summit, you may have seen them.

I… Read more

0 comments, 556 reads

Posted in Sam Vanga on 20 November 2012

PASS Summit 2012 Twitter Dashboard

As a business intelligence developer, my skills include taking the raw data, shaking it to remove all the junk, and presenting it to business users in the most sexiest way possible – smart people often use the words ETL, and BI to define this process, but I’m not smart –… Read more

4 comments, 945 reads

Posted in Sam Vanga on 12 November 2012

Create Several Shell SSIS Packages In Minutes Using BIML

What do i mean by shell packages? You’re spot on – that’s an excellent question to begin with. For the purpose of this post, I define shell package as an empty package that is renamed appropriately and contains all the required connection managers.

It is a common pattern among SSIS… Read more

2 comments, 3,068 reads

Posted in Sam Vanga on 16 October 2012

I’m Not Attending #sqlpass Summit 2012 and I’m Sorry For Myself

I really wanted to attent PASS Summit this year, I’ve never attended before. I was preparing myself mentally since the last summit, but things didn’t work out. Life happened. I’ve some personal obligations that I need to take care. I can’t talk much about these obligations here, but I can… Read more

0 comments, 410 reads

Posted in Sam Vanga on 12 October 2012

Generate Uniqueidentifier with SSIS

If you are trying to generate Uniqueidentifier/Newid() in SSIS data flow, you will soon realize that there is no out-of-the-box transformation you could use. Fear not. Script Component can be used to create Uniqueidentifier columns.

In the below package, I’ve an OLE DB source. Then, i dragged script component to… Read more

0 comments, 3,362 reads

Posted in Sam Vanga on 10 October 2012

Book Review: SQL Server 2012 Integration Services Design Patterns

This book is written by Andy Leonard, Matt Masson, Tim Mitchell, Jessica Moss, and Michelle Ufford. These are all highly talented people we are talking about. Andy is constantly teaching SSIS patterns in his training classes and articles. Matt, for me, is the face of SSIS team at Microsoft. Same… Read more

2 comments, 1,328 reads

Posted in Sam Vanga on 14 September 2012

SCRIPT: Find the row count of all tables and views

Today I’m sharing another script that I often find useful – Queries to find the count of rows from tables and views in a SQL Server database.

Count Rows In All Tables:

This query returns the count of rows from all tables in a database. The results can be seen… Read more

2 comments, 2,737 reads

Posted in Sam Vanga on 15 August 2012

SQL Saturday US Map

Apparently, SQL Saturday isn’t popular in the west. See for yourself. I wanted to see what cities frequently host SQL Saturday and ended up creating this dashboard. There are some interesting findings. Look at how the events are primarily confined to only (right) half of United States. There are several… Read more

9 comments, 1,082 reads

Posted in Sam Vanga on 3 August 2012

SCRIPT: Basic Information About Indexes

I’m having a little fun with documenting basic information about indexes in my current project. I’m posting the scripts here mostly for me to come back when I need them in the future, but hopefully some of you might find them useful.

Find tables without any index:

This script… Read more

0 comments, 1,041 reads

Posted in Sam Vanga on 31 July 2012

Parallel Execution in SSIS with MaxConcurrentExecutables

MaxConcurrentExecutables, a package level property in SSIS determines the number of control flow items that can be executed in parallel. The default value is -1. This is equivalent to number of processors (logical and physical) plus 2.

For example, in the below package running on my machine with 4 processors… Read more

0 comments, 3,690 reads

Posted in Sam Vanga on 20 July 2012

Generating Surrogate Keys With SSIS

A surrogate key is an auto generated value, usually integer, in the dimension table. It is made the primary key of the table and is used to join a dimension to a fact table. Among other benefits, surrogate keys allow you to maintain history in a dimension table. Despite of… Read more

5 comments, 3,964 reads

Posted in Sam Vanga on 24 June 2012

Status Column in SSISDB Catalog Database

I occasionally review the search terms people use to get to this blog and secretly celebrate knowing my post helped them. If i know it didn’t, i add it to the list of items i should write about. This post is a result of one such thing.

Note: If you… Read more

0 comments, 673 reads

Posted in Sam Vanga on 19 June 2012

T-SQL Tuesday 31: SSIS 2012 Logging

Topic for this month’s T-SQL Tuesday, hosted by Aaron Nelson (@SQLVariant) is Logging.

I like to think of logging as a Flight Data Recorder (FDR) to an aircraft. FDR records data about functioning of an aircraft. No one cares what is in there as long as the aircraft… Read more

4 comments, 2,755 reads

Posted in Sam Vanga on 12 June 2012

Tips to improve your blog, really!

As I learnt a few things about blogging, I made a list of tips to get better at blogging. Thought I would share.

  1. Pour your heart out to answer a question. When someone asks a question, it means they followed your post hoping they would find an answer to…

Read more

8 comments, 548 reads

Posted in Sam Vanga on 17 May 2012

Workspace database server was not found

You might constantly see a warning message that appears like the one below when creating Analysis Services Tabular projects. It basically says, workspace database server ‘ServerName’ was not found.

You’ll have to change this setting from the model properties. The server should be an Analysis Services Server running in Tabular… Read more

0 comments, 619 reads

Posted in Sam Vanga on 8 May 2012

How to execute a package from another package?

I hear you. You’ll use the Execute Package Task. This mechanism of executing one package from another is popularly knows as Parent Child paradigm. Let me tell you, this isn’t new in 2012. There are, however, a few changes to the Execute Package Task. Let’s take a look.

Demoland!

Read more

2 comments, 1,219 reads

Posted in Sam Vanga on 1 May 2012

Change Package Properties Using Parameters–SSIS 2012

In DTS, changing package properties was close to impossible (the less we talk about DTS, the better). Package configurations introduced in 2005 solved most of the problems. In 2012, SQL Server Integration Services introduces parameters to make this process even easier. Parameters allow you to change package properties without the… Read more

5 comments, 8,089 reads

Posted in Sam Vanga on 24 April 2012

Do You Know These Free Events?

I frequently attend a few online training events that greatly help me learn new things. Thought I would share, if may be you are interested too. These are all cool people sharing information for free to the community.

Go get'em!

Read more

2 comments, 431 reads

Posted in Sam Vanga on 23 April 2012

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