Earlier, prior to my adventurous journey into data analysis, I started out as a virtual assistant for some small online businesses. Being a virtual assistant was an exciting experience of content creation, social media management, lead generation, and facilitating online research. …

SQL databases can be divided into two main categories: relational databases and non-relational databases. Relational databases store data in tables, while non-relational databases store data in a more flexible format. Each type of database has its own advantages and disadvantages. Relational databases are better suited for structured data, while non-relational…

As part of my goals for the month of May. I desired to work on some SQL projects and case studies, Starting with The IBM HR Analytics Employee Attrition & Performance. As much as most of the attention is on Power BI, Python, and the likes, I believe that mastering…

In SQL, a transaction is a sequence of one or more SQL statements that are executed as a single unit of work. Transactions are used to ensure that database operations are performed in a consistent and reliable manner, and to maintain the integrity of the data stored in the database. What are Transactions? …

For SQL users we all agree that the SELECT, FROM, and WHERE commands are the most used commands in SQL. For sure these are the first 3 commands everyone starts with. However, the HAVING command is also such a great command that can be very helpful when filtering. The WHERE…

To newbies like myself and others weary and intimidated by coding, subqueries in SQL might seem like a dead-end. Whichever way you look at it SQL subqueries shouldn’t take forever to learn and master. In this article, I share with you simple and basic steps to writing perfect subqueries that…

Let’s talk about manipulation in SQL. There are several SQL commands used to modify the structure of tables, columns, and data. In this article, we will be discussing three of the most commonly used commands — UPDATE, ALTER, and MODIFY. The UPDATE, ALTER, and MODIFY commands are essential SQL commands…

Data cleaning is a crucial step in any data analysis project. It involves identifying and correcting errors, inconsistencies, and missing values in a dataset. SQL is a powerful relational database management system that can be used to clean data efficiently. …

A major success factor for small businesses lies in how well they tell the world about their product. Marketing attracts prospects, prospects become buyers, and buyers provide profit. According to the U.S. Small Business Administration, marketing must create a connection Marketing is everything an organization does to build a relationship…