PG Day'17 Russia

^'16 ^'15 ^'14

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Alexey Ermakov

Data Egret

PostgreSQL DBA at Data Egret

Talks 1

PostgreSQL query planner's internals

How to understand why my query is so slow? Is it because of unoptimal plan ? Reading "explain" command output. Ways to extract and join data. Everything that affects query plan. Examples of wrong plans. Ways to rewrite queries.

PostgreSQL

18

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85 Speakers

Dmitry
Pogibenko

Boris
Emelyanov

Stella
Nisenbaum

Denis
Derevenko

Ilya
Verbitskiy

Артем
Алиев

Nikolay
Kudinov

Vladimir
Krasilschik

Magnus
Hagander

Ilya
Kosmodemiansky

Timur
Akhmadeev

Roman
Shaposhnik

Heikki
Linnakangas

Alexander
Tokarev

Евгений
Матвеев

Vladimir
Sitnikov

Alexander
Khalukhin

Charles
Clavadetscher

Viktor
Yagofarov

Sergey
Sotnichenko

Nickolay
Ihalainen

Kristina
Kucherova

Dmitry
Dorofeev

Michail
Prokopiv

Yaroslav
Kiselev

Alexander
Kirpichny

Alexey
Milovidov

Alexander
Alekseev

Alexey
Lesovsky

Staniskav
Gontarenko

Alexander
Kukushkin

Eugene
Morgunov

Sergey
Zolotarev

Andrey
Nikolaenko

Alexander
Ermakov

Inga
Petryaevskaya

Vasily
Soshnikov

Álvaro
Hernández
Tortosa

Andreas
Scherbaum

Oleksii
Kliukin

Gulcin
Yildirim

Anton
Bushmelev

Svetlana
Smirnova

Konstantin
Taranov

Sergey
Shestakov

Denis
Protivenskii

Иван
Панченко

[email protected]

A special rate for accommodation at Crowne Plaza Airport hotel is was available for all attendees of PG Day’17 Russia.

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Dear !

I would like to attend PG Day’17 Russia conference,
devoted to databases, that will take place on 5-7 of July in St. Petersburg.

At the conference I will have an opportunity to:

Systematize my current knowledge about DBMS and obtain the new ones;
Receive guidelines on maintenance and operation of DBMS;
Improve my personal skills with DBMS;
Get the latest information about the community;
Improve my efficiency by means of taking advice from the most prominent DBMS experts and adopting best practices of colleagues from other companies;
Get new ideas and find out more about innovative modes of operation.

This is an estimate list of expenses:

Approximate cost of flight tickets — [15000] rur
Approximate cost of accommodation — [5000] rur
Conference attendance — [18000] rur
Total amount — [38000] rur

On return I will make an 1 hour report for my colleagues and highlight the most interesting issues of the conference and offer testimonials to help improve efficiency of the team.
Looking forward to hearing from you as soon as possible!

Best regards,

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