Dataquest·Dec 13, 2024SQL Window Functions: Practical Examples and Real-World ApplicationsWindow functions in SQL are game-changers for data analysis, offering the ability to calculate values across sets of rows related to the…
Ramdinesh·Jul 28, 2024SQL: Optimize Transaction Performance and Scalability — Part 9Let’s use a busy restaurant kitchen analogy to learn about optimizing transaction performance and scalability.
Ramdinesh·Jul 27, 2024SQL: Handling Errors and Exceptions in Transactions — Part 8Let’s learn about handling transaction errors and exceptions via a Road Trip Adventure analogy.
Ramdinesh·Jun 28, 2024SQL: TCL — Part 7Let’s use the analogy of a library to explain Transaction Control Language (TCL) in SQL. Imagine you’re managing the operations of a…
Ramdinesh·Jun 19, 2024SQL Best Practices — Part 5Learning to write SQL queries effectively can be likened to cooking a gourmet meal. Each best practice parallels a step in creating a…
Ramdinesh·Jun 10, 2024SQL (Stored Procedure) — Part 3A stored procedure in SQL is a set of SQL statements that are stored in the database and can be executed repeatedly. To explain this…
Diogo de Bem·Jan 4, 2024SQL Crash Course — OverviewThis is the summary page of the SQL Crash Course. You can use this page to navigate across all the already available lessons.
Diogo de Bem·Jan 4, 2024SQL Crash Course — Lesson 2 — Insert / Delete / UpdateNow that you know how to do a simple SELECT, let's make things a bit more fun. No one wants to just pull data from a table without…