Mark Segal

Highly experienced data analyst with over 15 years of working with a wide range of database applications to support ETL projects and processes.

📍 Bridgewater, NJ

Can You Use CSS in Tableau Workbooks?

Learn if CSS can be used in Tableau workbooks, and see other methods for customizing visualizations with custom color palettes and fonts.

Database/Cloud

SQL Indexes: A Practical Guide

SQL indexes aid in the execution of a query when conditions are placed in the query. Learn more about this useful tool.

Database/Cloud

PostgreSQL vs MySQL: When to Use and How to Choose

PostgreSQL and MySQL are both well-known powerhouse database management systems (DBMS). While both are fantastic, you still have to determine which is best for your specific needs. This article compares the differences between PostgreSQL and MySQL.

The differences between data marts, data warehouses, and date lakes explained

Database/Cloud

Data Mart vs Data Warehouse vs Database vs Data Lake

Not sure whether to invest in a data mart, data warehouse, database or data lake? Let's examine the key differences.

Learning

Fixed Dashboard Sizes in Tableau: How & Why

Setting a Tableau dashboard to a fixed size ensures it will maintain a consistent look and feel. Learn how to set a fixed dashboard size in Tableau.

Learning

Pandas Profiling: Your One-Stop for Instant EDA

The pandas profiling library for Python creates an interactive suite of exploratory data analysis (EDA) tables & visualizations. See how to install & use it.

Learning

Connecting Tableau to Different Types of Data Sources

Tableau provides a variety of connection options for connecting Tableau to data sources. Learn about each option.