Stefano MeloccaroAce Your SQL Interview: Top 9 Must-Know Questions and AnswersSQL interview questions, especially if done during a live session, can be challenging; however, knowing in advanced which are the most…Jul 8Jul 8
Stefano MeloccaroData Warehouse Schemas Explained: Star, Snowflake, GalaxyIn the world of SQL and data warehousing, organizing and structuring data for efficient querying and reporting is paramount. Three of the…Jul 4Jul 4
Stefano MeloccaroOLTP vs OLAP: An Introduction to Database SystemsA relational database is a system for storing and managing data organized into tables. Within this framework, there are two primary types…Jun 26Jun 26
Stefano MeloccaroPowerBI Dashboard Design: 5 Tips to Improve the UXCreating a Power BI dashboard involves more than just compiling accurate data; it requires thoughtful design that enhances the user…Jun 6Jun 6
Stefano MeloccaroIntroduction to a relational database (SQL)A relational database is a collection of data elements with predefined relations between them. These elements are represented in the…Jul 31, 2020Jul 31, 2020
Stefano MeloccaroSQL’s components — DDL, DML, DCL and TCLAlthough the vendors of relational database management system have their own implemented version of the SQL language, exist anyway an…Jul 16, 2020Jul 16, 2020