Andrei Gridnev's Blog

2016-10-23 Scrum vs Kanban at early and late stages of product development

2016-04-17 empty?, blank?, any?, exists? methods of Ruby on Rails ActiveRecord

2016-04-16 Increase work_mem parameter in PostgreSQL to speed up expensive queries

2016-04-01 DB maintenance commands in PostgreSQL: Analyze, Reindex, Vacuum

2016-04-01 Indexes on Expressions in PostgreSQL

2016-03-30 OVERLAPS Operator in PostgreSQL

2016-03-29 Partial indexes in PostgreSQL. Part 2: Query performance

2016-03-27 Partial indexes in PostgreSQL. Part 1: Data Integrity

2016-03-20 'BETWEEN SYMMETRIC' construct in PostgreSQL

2014-09-29 How to download data from a Redshift table as a CSV file

2014-08-15 “Growing Rails Applications in Practice” Book

2014-08-10 Some resources on using PostgreSQL with Ruby On Rails