Beyond INNER JOIN, SQL also has LEFT, RIGHT, and FULL joins. These can bring in unmatched rows, letting you see what’s missing. LEFT JOIN retrieves all records from the left table and the matched records from the right table, while RIGHT JOIN does the opposite, fetching all records from the right table along with matched…
Tag: Joins
SQL Joins Basics
The INNER JOIN lets you combine related data from multiple tables. It’s a core SQL concept for connecting information. By using INNER JOIN, you ensure that only the records with matching values in both tables are retrieved, which helps maintain data integrity and relevance. For those looking to deepen their understanding of database interactions, sql…
From SQL Basics to Future Clinical Projects
Right now, my SQL skills are at the basics: selecting, filtering, and joining data. But I’m already thinking ahead to what small, portfolio-friendly projects could look like. Some ideas for later: These are future goals, not current work. However, learning SQL now lays the foundation. It’s a lot like starting a new clinical specialty: you…