54+ min ago  (470+ words) PostgreSQL auto-analyze collects statistics on tables with rows. For partitioned tables, it excludes the parent as it has no rows by itself. So how does the query planner estimate cardinality when a query spans multiple partitions? Here is the real…...

2+ hour, 51+ min ago  (1625+ words) Why It Matters (Real Impact) " Netflix Uses large-scale data pipelines to analyze viewing behavior and power recommendation engines. Impact: Higher engagement, reduced churn, smarter content investment decisions. " Uber Handles real-time ride and GPS data through streaming systems. Impact: Accurate surge…...

8+ hour, 34+ min ago  (867+ words) Most data-heavy pages are built around what the data is. Not what the user needs to do with it. This is the gap that separates a reference page from a tool. And in the age of Answer Engines, that distinction…...

20+ hour, 14+ min ago  (1258+ words) What I thought would take a few days ended up taking weeks so here's everything I learned building a production Zoho Desk to BigQuery pipeline from scratch. When my company decided to centralise customer support analytics, the task landed on…...

4+ day, 23+ hour ago  (584+ words) Normalization is the first rule taught in database design. Eliminate redundancy. Store each fact once. Use foreign keys. It's the right rule for transactional systems. And it's the wrong rule for most analytics workloads. Denormalization is the deliberate introduction of…...

4+ day, 23+ hour ago  (501+ words) The data model that runs your production application is almost never the right model for analytics. Transactional systems are designed for fast writes " inserting orders, updating inventory, processing payments. Analytics systems are designed for fast reads " scanning millions of rows,…...

5+ day, 6+ hour ago  (273+ words) If you've spent any serious time building models in Microsoft Power BI, you'll remember the old ritual. Watch the little spinner Question your life choices Over and over and over again Creating measures used to feel" heavier than it should....

5+ day, 11+ hour ago  (187+ words) Read the original article'How can relational functional tables be created with RDB Store? This relational model allows developers to: By leveraging RDB Store, HarmonyOS applications can achieve robust local data management, improve data consistency, and deliver a richer offline experience…...

5+ day, 12+ hour ago  (647+ words) " what's new, what's live, and why it matters for every South African content There are hundreds of South African portals " news sites, industry blogs, municipal websites, procurement newsletters " that cover government spending. Yet almost all of them link out to…...

5+ day, 18+ hour ago  (646+ words) You have done your data modelling and your dataset is well structured and preferably in a star schema. The relationships are correct. Then what? This data is still raw data and it does not answer any questions the business is…...