Introduction If you’ve been following this series, you already know: Now it’s time for the real workhorse: the bool query.Why? Because no real-world search problem is solved by just one condition. Users expect relevance and restrictions: The bool query is how you glue all of these conditions together. By the way, I should also mention…
In Part 1 of this series I walked through the foundations of Elasticsearch queries: the mental model, why mapping is your best friend, and how to choose between filters and matches. Now it’s time to roll up our sleeves and look at some of the practical query types that you’ll actually use when building real-world…
One of the most common issues in many organizations and data teams is a messy and disorganized Data Warehouse. This problem usually develops over time due to rapid team growth, evolving analytics needs, onboarding new members without proper documentation, and an increase in temporary projects. The result? A chaotic data warehouse with inconsistent structures, duplicate…
Hello, I’m Shayan, a Data Engineer. If you’re not very familiar with this term, I can briefly say that our role is to prepare data for Data Analysts and Data Scientists. We ensure that data flows correctly within organizations. Every team or department has specific data needs, and we make sure the right data is…
