📰 Dev.to · Vivek Kumar

Stop building reports from scratch. Here's the fastest path from raw SQL data to a working internal dashboard your team will actually use.

Your production database wasn't built for reporting. Here's how to add a proper analytics layer with read replicas, materialized views, and smart SQL patterns —

Most SaaS apps collect tons of data but give customers almost nothing back. Here's what customer-facing analytics looks like in practice, and how to build it ri

A practical guide to adding embedded SQL dashboards to your SaaS product — covering architecture, authentication, multi-tenancy, and when to build vs. buy.

You don't need Tableau or a $50k BI platform to show your users live charts. Here's how to wire SQL queries directly to charts in your app, fast.

Six essential SQL queries that give SaaS founders direct visibility into signups, active users, conversion, churn, MRR, and retention — no BI tool required.

A practical guide to building real-time metrics dashboards on top of a relational database — pre-aggregation, materialized views, LISTEN/NOTIFY, and the gotchas

How to use Postgres Row-Level Security to ship safe embedded dashboards — wiring JWTs to session context, per-user roles, column masking, and the connection-poo

Learn how to track the most critical SaaS KPIs—MRR, churn, DAU/MAU stickiness, ARPU, and more—directly from your database using SQL, with real query examples an

Go beyond window function basics and unlock the real power of LEAD, LAG, RANK, DENSE_RANK, and NTILE with real-world examples for analytics, reporting, and data

Learn how to use SQL views to simplify complex queries, secure sensitive data, and keep your database logic DRY — with practical examples and gotchas to avoid.

A practical guide to SQL string functions — TRIM, CONCAT, REPLACE, SUBSTRING, UPPER/LOWER, and more — with real-world data cleaning scenarios you'll actually en

Master the most useful SQL date and time functions — from extracting date parts to calculating differences and truncating timestamps — with practical examples y

Learn how SQL GROUP BY and HAVING clauses work together to group, aggregate, and filter your data — with real-world examples and common mistakes to avoid.

Learn how to use SQL Common Table Expressions (CTEs) to write cleaner, more readable queries. Covers basic syntax, chaining multiple CTEs, real-world examples,

Go beyond the basics with SQL CASE expressions. Learn conditional aggregation, dynamic sorting, window function tricks, and common gotchas with real-world examp

SQL WHERE Clause: The Complete Guide to Filtering Data Imagine you have a database with a...