Filter by Column MySQL vs Clickhouse

Filter by column was a typical business case requirement for reporting or creating analytical dashboards. Even though there are many OLAP databases available in market . In this blog post i will delve deep in…

Indexes in MySQL

Indexes in MySQL (Mysql indexes) are a great tool for optimizing SQL queries. To understand how they work, let’s look at working with data without them. Reading data from disk Files are stored in hard drive…

TPC-DS Benchmark On Clickhouse Part 2

Loading data Into Clickhouse In the previous post I discussed about TPCDS Data generation you can find details here The dataset I’m working with is broken up into 121 .dat files. The data generated by…

TPC-DS Benchmark On Clickhouse Part 1

ClickHouse ClickHouse is an open source, columnar-oriented database that’s been developed primarily by engineers at Yandex. Yandex is one of Europe’s largest Internet-focused businesses. There search engine alone was receiving 150 million searches a day in 2012. ClickHouse…

Clickhouse – Introduction

Introduction Clickhouse is an open source columnar database that has received much attention in recent years and is mainly used in the field of data analysis (OLAP).  Characteristics of OLAP scenarios Read more than write…