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Business Intelligence and Enterprise Architecture

Derek Wilson delivers tactical and strategic Business Intelligence and Enterprise Architecture solutions. His primary focus in on Microsoft SQL Server technologies and aligning business problems to technology solutions. He architects BI solutions leveraging SQL Server, SharePoint and any other technologies that help his clients achieve better data driven decisions. By leveraging the information learned while collecting requirements for BI projects, he helps align business processes to technology helping further organizations Enterprise Architecture. He is an author, trainer, blogger and has been using SQL Server since version 6.5.

SQL Server 2016 Stretch Database

SQL Server 2016 Stretch Database

One of the features in SQL Server 2016 that you will want to explore is the ability to store your historical data in the Azure cloud.  By leveraging the Stretch Database feature your applications can silently migrate data to the cloud without having to change… Read more

0 comments, 179 reads

Posted in Business Intelligence and Enterprise Architecture on 17 August 2015

Machine Learning Data Sets

Machine Learning Data Sets

When starting out with data mining and machine learning you will need to have access to sample data in order to learn the technology.  Often times leveraging data outside of your corporate data sets makes it easier to learn.  There is a large collection of sample… Read more

0 comments, 1,694 reads

Posted in Business Intelligence and Enterprise Architecture on 4 August 2015

SQL Server Polybase (2016)

What is SQL Server Polybase?

Coming in SQL Server 2016 is the ability to query relational tables as well as data stored in Hadoop or Azure Blob storage.  This technology will allow you to continue to leverage SQL Server for your data warehousing and access data stored in different formats… Read more

0 comments, 392 reads

Posted in Business Intelligence and Enterprise Architecture on 20 July 2015

HASSUG BI Developer Presentation on 7/14/2015

I presented on how to become a BI developer at the Houston Area SQL Server User Group (HASSUG).  This session resulted from feedback we received in the user group on differences between database developers and BI developers.  If you are interested in seeing the presentation content it is uploaded here: Read more

1 comments, 166 reads

Posted in Business Intelligence and Enterprise Architecture on 19 July 2015

Leveraging SQL Server Database Schema

Leveraging SQL Server Database Schema

Data warehouses typically pull data from various sources and combine the data into a common repository.  Keeping up with the source systems and what data is being pulled from each system can be challenging.  One method that can be used to easily identify the source…

Read more

1 comments, 159 reads

Posted in Business Intelligence and Enterprise Architecture on 24 June 2015

CDO Summit Toronto June 4th

I am presenting the lunch keynote at the Toronto Chief Data Officer Summit on June 4th.  My session is on how to leverage predictive analytics to reduce customer churn.  I will be going over how I leveraged a decision tree model to create a customer risk score for active customers.… Read more

T-SQL HOST_ID and HOST_NAME

HOST_ID and HOST_NAME

Included in T-SQL for SQL Server is a functions that returns the workstation information that executes a SQL statement.  You can use this to record what workstation the transaction came from in your application or business intelligence processes.

HOST_ID will return the Process ID from the client… Read more

1 comments, 1,722 reads

Posted in Business Intelligence and Enterprise Architecture on 20 April 2015

SQL Server 2014 Deprecated Features

SQL Server 2014 Deprecated Features – Database Engine

Everyone looks at the new features when trying to determine when to upgrade from an older version of SQL Server to a newer release.  There are many factors to consider and for every environment certain features have a higher priority and need… Read more

2 comments, 381 reads

Posted in Business Intelligence and Enterprise Architecture on 19 March 2015

SQL Saturday #408 Houston – June 13th 2015

Call for speakers is now open for SQL Saturday #408 in Houston, TX.  If you are interested in presenting please fill out the form – https://www.sqlsaturday.com/408/callforspeakers.aspx.  The call for speakers ends on 4/14/2015.

For complete details on the event see – https://www.sqlsaturday.com/408/eventhome.aspx.

SQLSaturday is a training event for SQL… Read more

1 comments, 330 reads

Posted in Business Intelligence and Enterprise Architecture on 13 March 2015

Azure Data Factory

What is the Azure Data Factory?

The Azure Data Factory is a managed service for data storage and processing.  It allows you to build cloud based solutions to move and store your data in a centralized managed environment.  Source data can be pulled from on premise or cloud environments consisting… Read more

0 comments, 277 reads

Posted in Business Intelligence and Enterprise Architecture on 10 March 2015

T-SQL EXCEPT and INTERSECT

T-SQL EXCEPT and INTERSECT

Both T-SQL EXCEPT and INTERSECT are set based operators that combine multiple query results back in the same result set.  EXCEPT returns the records from the query on the left that are not found in the right query.  INTERSECT returns the distinct rows that are in… Read more

4 comments, 6,993 reads

Posted in Business Intelligence and Enterprise Architecture on 23 February 2015

T-SQL UNION Set Operator

T-SQL UNION

Set operators allow you to combine data from two or more queries and return the results in a single set.  There are 3 set operators available T-SQL
EXCEPT, INTERSECT and UNION.
This article is focused on the UNION operator.  UNION is used when you need to combine data…

Read more

1 comments, 7,542 reads

Posted in Business Intelligence and Enterprise Architecture on 4 February 2015

SSRS Farm to Scale-Out Performance

SSRS Farm Overview

Building a SSRS farm will require Enterprise or Business Intelligence editions of SQL Server for versions 2012 and 2014.  SQL Server allows for the deployment of 2 or more servers running SQL Server Reporting Services to increase the performance of your reporting environment.

SSRS stores its data… Read more

1 comments, 308 reads

Posted in Business Intelligence and Enterprise Architecture on 26 January 2015

T-SQL Random Numbers using RAND() for Test Data

T-SQL Random Numbers using RAND()

SQL Server includes the T-SQL RAND() function to create a random value between 0 and 1 of float datatype.  To create a random number execute Select Rand(), in my example it returned .0131039082850364.  If I wanted to always return the same number I can… Read more

1 comments, 292 reads

Posted in Business Intelligence and Enterprise Architecture on 12 January 2015

T-SQL COALESCE Example

T-SQL COALESCE

SQL Server T-SQL coalesce simplifies the use of a case statement to find the first non-null value of your expression.  For example, I want to return the products in the AdventureWorks sample database and show the SellEndDate if it exists or the SellStartDate if the SellEndDate is null. Read more

0 comments, 7,694 reads

Posted in Business Intelligence and Enterprise Architecture on 26 December 2014

ROW_NUMBER SQL Server

Row_Number SQL Server

SQL Server includes several Ranking Functions that can be called in T-SQL.  One of these is the Row_Number() function.  You can use this function to return a sequential number in your result set that begins at 1.

There are 2 arguments that can be passed into the… Read more

2 comments, 7,262 reads

Posted in Business Intelligence and Enterprise Architecture on 16 December 2014

Azure SQL Server Database

SQL Server in Azure

You can create and leverage cloud based SQL Server instances using Microsoft Azure.  However, if you have never used the Azure portal it can be a bit challenging to get started.  This post will show you how the steps required to create an Azure SQL Server… Read more

1 comments, 6,278 reads

Posted in Business Intelligence and Enterprise Architecture on 1 December 2014

SQL Server Management Studio Reports

SQL Server Management Studio Reports

Whether you are an Application, SQL, BI Developer or a DBA.  Knowing what is occurring within your database is critical to the performance of your applications.  One tool you can leverage to see what is happening are the built in reports in SSMS.  SQL Server… Read more

1 comments, 6,552 reads

Posted in Business Intelligence and Enterprise Architecture on 17 November 2014

SQL Server Table Partition Example

Why Use a SQL Server Table Partition

Data warehouses and data repositories often have tables that store millions of records and each day adding thousands more.  As the data ages, the older records generally require fewer updates.  If all of these records are kept in a single physical table.  Queries…

Read more

0 comments, 490 reads

Posted in Business Intelligence and Enterprise Architecture on 3 November 2014

SQL Pass Summit 2014

Next week I will be in Seattle for the 2014 SQL Pass Summit event.  If you are involved in projects that leverage the Microsoft SQL Server stack this is a great conference to attend. If this is your first time going and would like some tips on making the most… Read more

0 comments, 370 reads

Posted in Business Intelligence and Enterprise Architecture on 30 October 2014

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