Alan Zakrzewski

Staff Database Engineer at ServiceNow

About

Database Engineer with 13 years of experience in databases and cloud technologies. GCP architecting, database design and implementation, query tuning, database performance, database administration and strong SQL skills. GCP, OCP, PTCE, OCE and AWS certified. Ex-Google, ex-Oracle.

Alan Zakrzewski has presented the following presentations

    Alan Zakrzewski Rules of indexing in PostgreSQL at Postgres Conference 2025
    everything you need to know about indexes in PostgreSQL

    presented by Alan Zakrzewski

    There are many articles about indexing in PostgreSQL, but very few present a complete picture. This session aims to provide the audience 'everything you need to know about indexing in PostgreSQL' in less than 50min. The presentation provides an overview of different types of indexes available, differences between them and some comparison with other RDBMSs. It also includes PostgreSQL specific i...

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    Thu 20 2025 Ops