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Franck Pachot

Developer Advocate 🚀 YugabyteDB - postgres compatible open-source distributed SQL database đŸ”¶AWS Data Hero, đŸ…ŸOracle ACE Alumni & OCM, 🐘 PostgreSQL fan

Location Lausanne, Switzerland Joined Joined on  Personal website https://www.linkedin.com/in/franckpachot github website twitter website

Education

France

Work

Developer Advocate at Yugabyte

PostgreSQL at AWS re:Invent

PostgreSQL at AWS re:Invent

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5 min read

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Isolation Levels - part III: main concepts

Isolation Levels - part III: main concepts

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5 min read
Atomic clocks in EC2

Atomic clocks in EC2

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2 min read
Isolation Levels - part II: characteristics and use-case

Isolation Levels - part II: characteristics and use-case

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3 min read
What about temporary tables in OCI PostgreSQL?

What about temporary tables in OCI PostgreSQL?

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5 min read
Isolation Levels - part I: introduction

Isolation Levels - part I: introduction

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3 min read
PostgreSQL double buffering: understand the cache size in a managed service (OCI)

PostgreSQL double buffering: understand the cache size in a managed service (OCI)

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10 min read
YBIO on OCI PostgreSQL

YBIO on OCI PostgreSQL

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4 min read
MFA on OCI (you don't need to read this if you don't understand the title)

MFA on OCI (you don't need to read this if you don't understand the title)

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1 min read
Oracle Cloud Infrastructure Optimized PostgreSQL 14.9

Oracle Cloud Infrastructure Optimized PostgreSQL 14.9

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9 min read
Row Level Security with an ARRAY of tenants set in session parameter

Row Level Security with an ARRAY of tenants set in session parameter

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6 min read
IN() list filter with Top-N

IN() list filter with Top-N

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15 min read
Foreign Keys on Distributed SQL: don't worry, it scales

Foreign Keys on Distributed SQL: don't worry, it scales

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6 min read
Monolithic vs. Distributed SQL

Monolithic vs. Distributed SQL

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6 min read
Dirty Writes, INSERT ... ON CONFLICT DO UPDATE, Read Committed Isolation Level and Lost Update

Dirty Writes, INSERT ... ON CONFLICT DO UPDATE, Read Committed Isolation Level and Lost Update

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6 min read
Is co-partition or interleave necessary in Distributed SQL?

Is co-partition or interleave necessary in Distributed SQL?

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8 min read
@DynamicUpdate with column-level locking in YugabyteDB and how to avoid write skew anomalies

@DynamicUpdate with column-level locking in YugabyteDB and how to avoid write skew anomalies

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4 min read
Foreign Key validation in YugabyteDB when created in NOT VALID

Foreign Key validation in YugabyteDB when created in NOT VALID

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4 min read
Docker Image for YugabyteDB Developers

Docker Image for YugabyteDB Developers

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3 min read
Can writes be blocked by reads in YugabyteDB?

Can writes be blocked by reads in YugabyteDB?

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6 min read
Inner Inverted Join in YugabyteDB & PostgreSQL

Inner Inverted Join in YugabyteDB & PostgreSQL

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6 min read
TTL in YugabyteDB with batched deletes

TTL in YugabyteDB with batched deletes

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5 min read
Fast SELECT COUNT(*) WHERE in YugabyteDB

Fast SELECT COUNT(*) WHERE in YugabyteDB

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5 min read
Scalable range sharding to avoid hotspots on indexes

Scalable range sharding to avoid hotspots on indexes

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13 min read
YugabyteDB in Jupyter Notebook in Google Colab

YugabyteDB in Jupyter Notebook in Google Colab

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2 min read
PostGIS on YugabyteDB Alma8 (workarounds)

PostGIS on YugabyteDB Alma8 (workarounds)

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4 min read
Online Rolling Upgrade in YugabyteDB Managed

Online Rolling Upgrade in YugabyteDB Managed

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11 min read
IF-THEN-ELSE in SQL WHERE CLAUSE

IF-THEN-ELSE in SQL WHERE CLAUSE

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4 min read
Bitmap Scan in YugabyteDB

Bitmap Scan in YugabyteDB

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9 min read
YugabyteDB Cost-Based Optimizer and cost model for Distributed LSM-Tree

YugabyteDB Cost-Based Optimizer and cost model for Distributed LSM-Tree

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7 min read
Transaction Internals: Fast Path vs Multi-Shard

Transaction Internals: Fast Path vs Multi-Shard

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1 min read
The cost of additional secondary indexes in PostgreSQL & YugabyteDB

The cost of additional secondary indexes in PostgreSQL & YugabyteDB

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6 min read
Postgres Join Methods in YugabyteDB

Postgres Join Methods in YugabyteDB

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12 min read
ACID properties explained to NoSQL vendors

ACID properties explained to NoSQL vendors

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4 min read
JSON as TEXT, JSON, or JSONB datatypes in YugabyteDB

JSON as TEXT, JSON, or JSONB datatypes in YugabyteDB

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11 min read
PL/Python in YugabyteDB (build with yugabyte)

PL/Python in YugabyteDB (build with yugabyte)

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3 min read
pg_stat_activity from all servers in YugabyteDB

pg_stat_activity from all servers in YugabyteDB

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3 min read
No-gap sequence in PostgreSQL and YugabyteDB

No-gap sequence in PostgreSQL and YugabyteDB

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4 min read
YugabyteDB is Distributed SQL: resilient and consistent

YugabyteDB is Distributed SQL: resilient and consistent

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6 min read
Citus is not ACID but Eventually Consistent

Citus is not ACID but Eventually Consistent

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6 min read
Partitioning vs. Sharding - What about SQL Features?

Partitioning vs. Sharding - What about SQL Features?

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7 min read
YugabyteDB official Dockerfile

YugabyteDB official Dockerfile

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2 min read
Counters with YugabyteDB

Counters with YugabyteDB

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2 min read
pg-hostname on YugabyteDB compiled and installed directly on the server

pg-hostname on YugabyteDB compiled and installed directly on the server

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3 min read
FlameGraphs on Steroids with profiler.firefox.com

FlameGraphs on Steroids with profiler.firefox.com

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3 min read
Another funny benchmark: "hugedbbench"

Another funny benchmark: "hugedbbench"

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3 min read
SQL for low code applications: SQLPage

SQL for low code applications: SQLPage

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2 min read
PostgreSQL Optimizer Hints Discussion

PostgreSQL Optimizer Hints Discussion

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5 min read
Understand what you run before publishing your (silly) benchmark results

Understand what you run before publishing your (silly) benchmark results

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16 min read
YugabyteDB: set read-only for a single query to allow follower reads

YugabyteDB: set read-only for a single query to allow follower reads

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8 min read
Query Amazon Redshift from YugabyteDB though PostgreSQL Foreign Data Wrapper and VPC peering

Query Amazon Redshift from YugabyteDB though PostgreSQL Foreign Data Wrapper and VPC peering

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7 min read
Book review: Mastering PostgreSQL 15

Book review: Mastering PostgreSQL 15

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5 min read
Approximate Count Distinct in YugabyteDB (and PostgreSQL) with HyperLogLog

Approximate Count Distinct in YugabyteDB (and PostgreSQL) with HyperLogLog

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6 min read
Quickly testing an extension from docker image

Quickly testing an extension from docker image

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2 min read
wiki.js on YugabyteDB

wiki.js on YugabyteDB

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3 min read
How to Select the First Row of Each Set of Grouped Rows Using GROUP BY

How to Select the First Row of Each Set of Grouped Rows Using GROUP BY

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1 min read
YugabyteDB fast path write

YugabyteDB fast path write

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9 min read
Global Unique Constraint on a partitioned table in PostgreSQL and YugabyteDB

Global Unique Constraint on a partitioned table in PostgreSQL and YugabyteDB

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7 min read
How to Check Your PostgreSQL Version

How to Check Your PostgreSQL Version

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1 min read
Indexing for LIKE Queries in PostgreSQL

Indexing for LIKE Queries in PostgreSQL

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1 min read
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