In this article
Instant Rollups Across Multi-Billion Row Time Series Tables
Querying raw telemetry tables with millions of sensor readings causes dashboard queries to choke. TimescaleDB Continuous Aggregates automatically materialize rollups (hourly averages, daily maximums) in the background. Queries against aggregated views return in sub-10ms, while real-time view integration automatically unions materialized historical data with the newest raw hypertable rows.
Written by Saizul Amin for time-series data architects and backend systems engineers.
Md Saizul Amin
Digital Systems Strategist · AI Agent Developer · 9+ years in digital & ITMd Saizul Amin is a digital systems strategist and AI automation engineer from Dhaka, Bangladesh. With 9+ years across IT, web development and digital marketing, he writes practical guides on technology, business, education and online growth — and builds the same kinds of systems (AI agents, websites, SEO and ad campaigns) for clients in Bangladesh, the UK and the USA.
Specialist in
Credentials & experience
- 🎓B.Sc. in Computer Science & EngineeringBangladesh University of Business & Technology (BUBT), 2017–2021
- 🤖AI Automation Engineer · Web Developer · SEO SpecialistUnique Mark Limited, Birmingham UK — 2024 to present
- 🌱IT SpecialistGreen Fund Initiative Inc., USA — 2024 to present
- 🏥Junior IT Consultant — Ministry of Health (DGHS)Built the first national Shareable Health Record website; supported 6,000+ facilities
- 🧭Head of ITWEDO Bangladesh — led IT for 50+ staff, 2021–2023