Data Conference Databasea Query.Farm index
Speakers

Gülçin Yıldırım Jelinek

Employers on the program

  1. 2026ClickHouse7 talks
  2. 2025–2026Xata13 talks
  3. 2024EDB6 talks

Upcoming appearances

Who’s booked ahead? →

Event dates shown; only events starting today or later count. 1 upcoming event.

  1. PGConf.PL 2026 · Gdańsk, Poland

The year around now

Talks in the past 12 months and announced talks ahead, one row per conference, January to December. Hover a mark for the talk.

Held in the past 12 months Next 12 months Today, Nov 10, 2026

Appearances by year

201920202021202220232024202520262027
  • Prague PostgreSQL Developer Day (P2D2)
  • Berlin Buzzwords
  • PGConf.DE (PostgreSQL Conference Germany)
  • PGDay Lowlands
  • PostgreSQL Conference Europe (PGConf.EU)
  • Swiss PGDay
  • CERN PGDay
  • Diva: Dive into AI
  • 7 other conferences

Talks

DateEventConferenceRoleTitleLinks
Nov 24, 2026PGConf.PL 2026PostgreSQL Conference Poland (PGConf.PL)speakerPostgreSQL in the Age of Agents
as ClickHouse
Oct 20, 2026PGConf.EU 2026 (16th PostgreSQL Conference Europe)PostgreSQL Conference Europe (PGConf.EU)speakerPostgres for Everything, Until It Isn't
as ClickHouse
PostgreSQL is a general-purpose transactional engine. Its row store, WAL, MVCC, vacuum and constraint enforcement are tuned for OLTP and that same machinery…Show less

PostgreSQL is a general-purpose transactional engine. Its row store, WAL, MVCC, vacuum and constraint enforcement are tuned for OLTP and that same machinery carries a cost for append-heavy telemetry, large analytical scans or datasets that live in object storage.

Slides
Oct 20, 2026PGConf.EU 2026 (16th PostgreSQL Conference Europe)PostgreSQL Conference Europe (PGConf.EU)community dayPostgreSQL Observability Summit
as ClickHouse
PostgreSQL now runs everywhere, on-prem, cloud-managed, on Kubernetes. Each deployment model comes with its own monitoring stack, its own blind spots, and its…Show less

PostgreSQL now runs everywhere, on-prem, cloud-managed, on Kubernetes. Each deployment model comes with its own monitoring stack, its own blind spots, and its own trade-offs.

Slides
Oct 20, 2026PGConf.EU 2026 (16th PostgreSQL Conference Europe)PostgreSQL Conference Europe (PGConf.EU)community dayPostgreSQL on Kubernetes Summit
as ClickHouse
oin for an event focused on running PostgreSQL in cloud native (and cloud neutral) environments. We will explore the current landscape of Postgres operators,…Show less

oin for an event focused on running PostgreSQL in cloud native (and cloud neutral) environments. We will explore the current landscape of Postgres operators, share best practices, discuss challenges, and dive deeper into production stories from both users and maintainers.

Oct 20, 2026PGConf.EU 2026 (16th PostgreSQL Conference Europe)PostgreSQL Conference Europe (PGConf.EU)speakerWhat’s New with Monitoring in PostgreSQL 19
as ClickHouse
PostgreSQL 19 ships a focused set of monitoring improvements that, taken together, close several long-standing observability gaps. This talk walks through the…Show less

PostgreSQL 19 ships a focused set of monitoring improvements that, taken together, close several long-standing observability gaps. This talk walks through the changes that matter most for DBAs, platform engineers and tooling authors.

Slides
Sep 10, 2026PGDay Lowlands 2026PGDay Lowlandslightning talkAnalytics Without Leaving Postgres
as ClickHouse
Video
Sep 9, 2026Percona Live 2026 AmsterdamPercona LivespeakerWhat’s New with Monitoring in PostgreSQL 19
as Clickhouse
PostgreSQL 19 ships a focused set of monitoring improvements that, taken together, close several long-standing observability gaps. This talk walks through the…Show less

PostgreSQL 19 ships a focused set of monitoring improvements that, taken together, close several long-standing observability gaps. This talk walks through the changes that matter most for DBAs, platform engineers and tooling authors.

Video
Jun 7, 2026Berlin Buzzwords 2026Berlin BuzzwordstalkWhat you should know about constraints in PostgreSQL 18
as Xata

This talk explains how constraints work in Postgres by exploring the pg_constraint catalog and core concepts like table vs.

SlidesVideo
Jan 27, 2026Prague PostgreSQL Developer Day 2026Prague PostgreSQL Developer Day (P2D2)speakerWhat you should know about constraints in PostgreSQL (and what's new in 18)
as Xata

PostgreSQL 18 introduced significant enhancements to constraints, your first line of defense for maintaining data integrity.

Oct 21, 2025PGConf.EU 2025 (15th PostgreSQL Conference Europe)PostgreSQL Conference Europe (PGConf.EU)speakerWhat You Should Know About Constraints in PostgreSQL (and What’s New in 18)
as Xata
PostgreSQL 18 introduces significant enhancements to constraints, your first line of defense for maintaining data integrity. This talk focuses on the new…Show less

PostgreSQL 18 introduces significant enhancements to constraints, your first line of defense for maintaining data integrity. This talk focuses on the new capabilities brought by version 18, including non-overlapping PRIMARY KEY and UNIQUE constraints, named NOT NULL constraints, NOT ENFORCED constraints, and improved support for partitioned tables.

SlidesVideo
Sep 25, 2025PGDay Napoli 2025PGDay NapolispeakerAnatomy of Table-Level Locks in PostgreSQL
as Xata
Short abstract Understanding table-level locks in Postgres is a quite useful skill as almost all DDL operations require acquiring one of the different types of…Show less

Short abstract Understanding table-level locks in Postgres is a quite useful skill as almost all DDL operations require acquiring one of the different types of table-level locks on the object being manipulated.

Sep 12, 2025PGDay Lowlands 2025PGDay LowlandsspeakerAnatomy of Table-Level Locks in PostgreSQL
as Xata
Jun 26, 2025Swiss PGDay 2025Swiss PGDayspeakerAnatomy of Table-Level Locks in PostgreSQL
as Xata
Understanding table-level locks in Postgres is a quite useful skill as almost all DDL operations require acquiring one of the different types of table-level…Show less

Understanding table-level locks in Postgres is a quite useful skill as almost all DDL operations require acquiring one of the different types of table-level locks on the object being manipulated.

Slides
Jun 15, 2025Berlin Buzzwords 2025Berlin BuzzwordstalkAnatomy of Table-Level Locks in PostgreSQL
as Xata
This talks explains locking mechanisms (MVCC, lock queue) in PostgreSQL, focusing on table-level locks that are acquired by Data Definition Language(DDL)…Show less

This talks explains locking mechanisms (MVCC, lock queue) in PostgreSQL, focusing on table-level locks that are acquired by Data Definition Language(DDL) operations.

SlidesVideo
Jun 3, 2025PG Day France 2025PG Day FrancespeakerAnatomy of Table-Level Locks in PostgreSQL
as Xata
Slides
May 8, 2025PGConf.DE 2025PGConf.DE (PostgreSQL Conference Germany)speakerAnatomy of Table-Level Locks in PostgreSQL
as Xata
Apr 25, 2025PGDay Chicago 2025PGDay ChicagospeakerAnatomy of Table-Level Locks in PostgreSQL
as Xata
Short abstract: Understanding table-level locks in Postgres is a quite useful skill as almost all DDL operations require acquiring one of the different types of…Show less

Short abstract: Understanding table-level locks in Postgres is a quite useful skill as almost all DDL operations require acquiring one of the different types of table-level locks on the object being manipulated.

Slides
Feb 1, 2025FOSDEM 2025FOSDEMspeakerAnatomy of Table-Level Locks in PostgreSQL
as Xata
Short abstract Understanding table-level locks in Postgres is a quite useful skill as almost all DDL operations require acquiring one of the different types of…Show less

Short abstract Understanding table-level locks in Postgres is a quite useful skill as almost all DDL operations require acquiring one of the different types of table-level locks on the object being manipulated. If not managed well, schema changes can result in downtime.

Slides
Jan 28, 2025Prague PostgreSQL Developer Day 2025Prague PostgreSQL Developer Day (P2D2)speakerAnatomy of Table-Level Locks in PostgreSQL
as Xata

In PostgreSQL, managing schema changes without downtime can be a challenging task.

Slides
Jan 17, 2025CERN PGDay 2025CERN PGDayspeakerAnatomy of Table-Level Locks in PostgreSQL
as Xata
SlidesVideo
Jul 13, 2024Diva: Dive into AI 2024Diva: Dive into AIspeakerUntitled
as EDB
Jun 27, 2024Swiss PGDay 2024Swiss PGDayspeakerBringing vectors to Postgres with pgvector
as EDB

Postgres does not yet have native vector capabilities (as of Postgres 16) and pgvector is designed to fill this gap.

Slides
Jun 4, 2024Prague PostgreSQL Developer Day 2024Prague PostgreSQL Developer Day (P2D2)speakerBringing vectors to PostgreSQL with pgvector
as EDB

Postgres does not yet have native vector capabilities (as of Postgres 16) and pgvector is designed to fill this gap.

Slides
Jun 4, 2024Prague PostgreSQL Developer Day 2024Prague PostgreSQL Developer Day (P2D2)workshopPostgreSQL as a vector database
as EDB

As nearly everyone knows, artificial intelligence is at a peak of popularity and we should all try to grasp what all this is about.

Slides
Apr 12, 2024PGConf.DE 2024PGConf.DE (PostgreSQL Conference Germany)speakerBringing Vectors to Postgres
as EDB

Postgres does not yet have native vector capabilities (as of Postgres 16) and pgvector is designed to fill this gap.

Mar 12, 2024Nordic PGDay 2024Nordic PGDaysponsored talkEDB Postgres Distributed - The Flexible Database
as EDB

Abstract: Today there are several ways to implement high availability, scalability, and even geo distribution, each with its own set of trade offs.

Frequent co-speakers

SpeakerShared eventsShared talksLast together
Luigi Nardi9—2026
Dirk Krautschick8—2026
Josef Machytka8—2026
Pavlo Golub712026
Alexander Kukushkin7—2026
Tomas Vondra7—2026
Chris Ellis6—2026
Franck Pachot6—2026
Laurenz Albe6—2026
Boriss Mejias512026
Ants Aasma5—2026
Bruce Momjian5—2026
Derk van Veen5—2026
Divya Sharma5—2026
Karen (Karrie) Jex5—2026

Speakers with the same name are merged into one entry, so this page may combine more than one person. Affiliations are shown as each conference listed them.