Dallas Snider

Dr. Dallas Snider is an Assistant Professor in the Computer Science Department at the University of West Florida. He received his Ph.D. in Integrated Computing and M.S. in Instrumental Sciences from the University of Arkansas at Little Rock. He received a B.A. in Physics from Hendrix College. Before joining UWF, he worked as a data warehouse developer for Northrop Grumman Information Systems and prior to that as a database application developer for Acxiom and Euronet. Dr. Snider’s teaching and research interests include data mining, data warehousing, information visualization, and software development.

2017 Awards
MSSQLTips award

2016 Awards
MSSQLTips award

2015 Awards
MSSQLTips award

2014 Awards
MSSQLTips award

Analysis Services Administration

Configuring the Analysis Services Processing Task in SQL Server 2012 Integration Services (last update: 7/10/2013)

Analysis Services Development

A Quick Way to Start Learning SQL Server MDX (last update: 1/25/2013)
Binning SQL Server Data to Reduce Column Cardinality (last update: 2/5/2016)
Classic Machine Learning Example In SQL Server Analysis Services (last update: 6/4/2013)
Comparison of Queries Written in T-SQL and SQL Server MDX (last update: 3/28/2013)
Data Mining Clustering Example in SQL Server Analysis Services SSAS (last update: 7/5/2013)
Explaining the Calculations of Probability and Importance for Complex Association Rules in SQL Server 2012 Analysis Services (last update: 4/4/2014)
Explaining The SQL Server 2014 Analysis Services Data Mining Model Lift Chart (last update: 11/10/2014)
How to handle the MAXIMUM_STATES warning message in the SSAS Neural Network Data Mining Model (last update: 11/6/2015)
Interpreting the SQL Server Analysis Services Classification Matrix (last update: 12/31/2015)
Introduction to the SQL Server Analysis Services Logistic Regression Data Mining Algorithm (last update: 1/29/2015)
Introduction to the SQL Server Analysis Services Neural Network Data Mining Algorithm (last update: 5/9/2014)
Microsoft Naïve Bayes Data Mining Model in SQL Server Analysis Services (last update: 10/7/2013)
SQL Server 2012 Analysis Services Association Rules Data Mining Example (last update: 3/7/2014)
SQL Server Analysis Services MDX Average Calculation (last update: 12/4/2013)
Testing KPIs for SQL Server Analysis Services (last update: 12/30/2013)

Analysis Services Dimensions

Change Sort Options on Dimension Attributes in SQL Server Analysis Services (last update: 5/15/2014)
Defining Role Playing Dimensions for SQL Server Analysis Services (last update: 11/27/2013)

Analysis Services Measure Groups

Using MDX to Calculate Both Values and Percentages for Analysis Services (last update: 1/8/2013)

Analysis Services Performance

SQL Server 2012 Analysis Services Partitioning Performance Demonstration (last update: 8/1/2013)
SQL Server Analysis Services Query Response Comparison by Storage Mode (last update: 9/4/2013)

Analysis Services Tutorials

Introduction to the SQL Server Analysis Services Linear Regression Data Mining Algorithm (last update: 8/11/2014)

Application Development

Connecting a Java Program to SQL Server (last update: 2/21/2017)
Inserting Rows into SQL Server from a Java Program (last update: 3/6/2017)

Big Data

Export from Hadoop File System to a SQL Server Database Table (last update: 10/10/2016)
Load SQL Server T-SQL Query Results to Hadoop Using Sqoop (last update: 9/20/2016)
Sqoop Runtime Exception: Cannot Load SQL Server Driver (last update: 9/14/2016)
Use Sqoop to Append SQL Server Data to an Existing HDFS File (last update: 11/29/2016)
Use Sqoop to Load Data from a SQL Server Table to a Hadoop Distributed File System (last update: 8/29/2016)
Using Sqoop WHERE Argument to Filter Data from a SQL Server (last update: 9/7/2016)

Compression

SQL Server 2012 Partitioned Index Compression Comparison (last update: 8/28/2013)

Data Types

Precision and Scale Impact for SQL Server Data Types (last update: 10/22/2014)
SQL Server Performance Test for Bit Data Type in a WHERE Clause (last update: 1/8/2016)

Dates

SQL Server Data Aggregation for Data with Different Sampling Rates (last update: 12/4/2014)

Encryption

How much overhead does encryption add to a SQL Server query (last update: 4/2/2014)

Functions - User Defined UDF

Create Your Own RANDBETWEEN Function in T-SQL (last update: 8/4/2014)
SQL Server T-SQL Code to Calculate a Moving Average (last update: 3/8/2016)
Video on how to create your own RANDBETWEEN function for SQL Server (last update: 9/11/2014)

In-Memory OLTP

Quick Guide to Installing SQL Server 2014 (last update: 5/29/2014)

Integration Services Analysis Services Tasks

Introduction to the Dimension Processing Destination in SSIS 2012 (last update: 7/22/2013)

Integration Services Control Flow Transformations

Case Statement Functionality in SQL Server Integration Services Derived Column Transformation (last update: 4/16/2013)
Configure the SQL Server Integration Services For Loop Container (last update: 7/30/2015)

Integration Services Excel

Configure the Flat File Source in SQL Server Integration Services 2012 to read CSV files (last update: 4/3/2013)

Integration Services Security

SFTP in SQL Server Integration Services SSIS Package with Bitvise (last update: 9/17/2015)

JOIN Tables

How to Join to the Same Table Multiple Times for a SQL Server query (last update: 2/24/2015)

Other Database Platforms

Connecting WEKA to SQL Server 2016 (last update: 1/9/2017)

Professional Development Career Planning

Starting as a SQL Server Business Intelligence Developer (last update: 10/10/2014)

Reporting Services Development

Plotting a Bell Curve in SQL Server Reporting Services (last update: 4/5/2016)
Resolving the Maximum Request Length Exceeded Exception in SQL Server Reporting Services (last update: 2/7/2017)

Reporting Services Formatting

Create a Greenbar Report in SQL Server Reporting Services (last update: 3/31/2015)
Remove Question Mark and Show Correct Total Number of Pages in SSRS Report (last update: 5/29/2015)
SQL Server Reporting Services Expression Builder to Reformat or Convert Text Box Values (last update: 6/3/2015)

Reporting Services Security

Determining who is viewing reports in SQL Server 2012 Reporting Services (last update: 9/26/2013)
SQL Server Reporting Services Report Manager Site Permissions Error After Installation (last update: 1/2/2014)

Security

Generating A Password in SQL Server with T-SQL from Random Characters (last update: 4/24/2015)
Generating a Password in T-SQL from a Table of Words (last update: 4/29/2015)

T-SQL

A More Versatile SQL Server Random Number Function (last update: 3/23/2015)
Advice for Learning T-SQL SELECT Statement Step By Step (last update: 2/5/2015)
Avoiding erroneous results when using T-SQL Trigonometric Functions in SQL Server 2012 (last update: 2/27/2014)
Calculating the Pearson Product Moment Correlation Coefficient in T-SQL (last update: 11/7/2016)
Integrating SQL Server Data Using Union, Case and Cast in T-SQL (last update: 11/4/2014)
Min-Max Normalization in T-SQL when the Boundaries are not [0,1] (last update: 7/19/2016)
Resolving the MERGE statement attempted to UPDATE or DELETE the same row more than once error (last update: 7/16/2015)
Script to Capture Performance Stats When Testing SQL Server T-SQL Statements (last update: 4/6/2017)
Select min and max values along with other SQL Server columns using T-SQL (last update: 8/22/2016)
SQL Server Min Max Column Normalization for Data Mining (last update: 12/23/2014)
SQL Server Random Sorted Result Set (last update: 2/26/2015)
SQL Server T-SQL Code to Return Consecutive Values Over a Certain Value (last update: 3/16/2016)
T-SQL Bitwise Operators in SQL Server (last update: 10/28/2015)
Transforming Cartesian Coordinates to Spherical Coordinates in SQL Server with T-SQL (last update: 7/26/2016)
Use a CrossJoin to Calculate Multiple Pearson Correlation Coefficients in T-SQL (last update: 12/13/2016)
Using T-SQL to Perform Decimal Scaling Normalization for SQL Server (last update: 2/11/2015)
Using T-SQL to Perform Z-Score Column Normalization in SQL Server (last update: 1/21/2015)
Using the SQL Server MERGE Statement to Process Type 2 Slowly Changing Dimensions (last update: 2/18/2013)

Testing

Install Your Own Copy of the SQL Server AdventureWorks2014 Database (last update: 2/17/2016)
SQL Server T-SQL Code to Generate A Normal Distribution (last update: 3/29/2016)

Triggers

Beware of Logic Errors in your T-SQL Triggers (last update: 10/14/2015)
Create a Simple SQL Server Trigger to Build an Audit Trail (last update: 10/7/2015)
SQL Server Trigger After Update for a Specific Value (last update: 9/10/2015)

Upgrades and Migrations

Quick Guide to Upgrading to SQL Server 2014 (last update: 6/6/2014)

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Dallas Snider

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