PostgreSQL Query Optimization: The Ultimate Guide to Building Efficient Queries

© Henrietta Dombrovskaya, Boris Novikov, Anna Bailliekova 2021

H. Dombrovskaya et al.PostgreSQL Query Optimizationhttps://doi.org/10.1007/978-1-4842-6885-8_7

7. Long Queries: Additional Techniques

Henrietta Dombrovskaya¹  , Boris Novikov² and Anna Bailliekova³

(1)

Braviant Holdings, Chicago, IL, USA

(2)

HSE University, Saint Petersburg, Russia

(3)

Zendesk, Madison, WI, USA

 

Chapter 6 discussed multiple ways of improving the performance of long queries. Thus far, all covered techniques relate to rewriting queries without creating any additional database objects. This chapter addresses additional ways of improving long query performance, including different ways to materialize intermediate results. Temporary tables, CTEs (common table expressions), views, ...