architecture The Cache Stampede: How One Expired Key Can Take Down Your Database josedacruz, September 18, 2026September 18, 2026 TL;DR: A cache stampede happens when a popular cached value expires and a flood of requests all miss the cache at the same instant, sending them straight to your database all at once. It is one of the few bugs that gets worse the more successful your caching strategy is…. Continue Reading
spring-boot Learning Spring Boot from Zero to Cloud: Part 20 – JdbcTemplate Parameters josedacruz, April 20, 2025April 20, 2025 🎯 In this video, we explore different ways to work with parameters using JdbcTemplate, NamedParameterJdbcTemplate, and SqlParameterSource with bean mapping. ✅ Whether you’re new to Spring JDBC or want to understand the best practices when choosing between parameterized query methods — this guide is for you! 🔍 What You’ll Learn:🧱… Continue Reading
spring-boot Learning Spring Boot from Zero to Cloud: Part 19 – JdbcTemplate – Introduction josedacruz, April 19, 2025April 19, 2025 In this video, we’ll dive into one of the most useful tools in Spring’s JDBC arsenal: JdbcTemplate. ⏱️ Timestamps00:00 Introduction01:24 Presentation14:37 Implementation20:58 Final thoughts 🔥 What You’ll Learn in This Video ✅ What exactly is JdbcTemplate and why it’s a must-know tool✅ The benefits it brings over raw JDBC (goodbye… Continue Reading
Learning Spring Boot from Zero to Cloud: Part 9 – H2 in Spring Boot with Web josedacruz, March 15, 2025 Continue Reading
Learning Spring Boot from Zero to Cloud: Part 8 – H2 Database – CSV READ/WRITE josedacruz, March 12, 2025 Are you working with the H2 Database and need an easy way to import and export data? In this video, we dive into CSVREAD and CSVWRITE, two powerful functions that let you efficiently handle CSV files within H2. Whether you’re a developer, data analyst, or database enthusiast, this tutorial will… Continue Reading
BASE josedacruz, September 11, 2023 BASE Transactions is a transaction model often used on databases that rely heavily on horizontal scaling and performance. Continue Reading
ACID josedacruz, September 10, 2023 ACID is an acronym used in databases to describe the properties associated with the input-output operations on the data. Continue Reading