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

Timur
Akhmadeev

Yaroslav
Kiselev

Oleksii
Kliukin

Inga
Petryaevskaya

Alexey
Lesovsky

Michail
Prokopiv

Svetlana
Smirnova

Denis
Protivenskii

Andrey
Nikolaenko

Евгений
Матвеев

Charles
Clavadetscher

Dmitry
Pogibenko

Anton
Bushmelev

Eugene
Morgunov

Alexander
Ermakov

Иван
Панченко

Alexander
Alekseev

Heikki
Linnakangas

Alexander
Tokarev

Roman
Shaposhnik

Viktor
Yagofarov

Sergey
Shestakov

Vasily
Soshnikov

Andreas
Scherbaum

Magnus
Hagander

Vladimir
Sitnikov

Gulcin
Yildirim

Dmitry
Dorofeev

Denis
Derevenko

Alexey
Milovidov

Konstantin
Taranov

Alexander
Kukushkin

Ilya
Kosmodemiansky

Nikolay
Kudinov

Ilya
Verbitskiy

Staniskav
Gontarenko

Nickolay
Ihalainen

Sergey
Zolotarev

Sergey
Sotnichenko

Vladimir
Krasilschik

Boris
Emelyanov

Alexander
Kirpichny

Артем
Алиев

Álvaro
Hernández
Tortosa

Stella
Nisenbaum

Alexander
Khalukhin

Kristina
Kucherova

[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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Expenses justification

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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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