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Franck Pachot

Developer Advocate 🚀 YugabyteDB - open-source distributed SQL database 🔶AWS Data Hero, 🅾Oracle 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

Approximate Count for hash sharded YugabyteDB tables

Approximate Count for hash sharded YugabyteDB tables

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4 min read

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Parallel Scan in YugabyteDB (ysql_select_parallelism=-1)

Parallel Scan in YugabyteDB (ysql_select_parallelism=-1)

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3 min read
YugabyteDB Community Open Hours: Episode 1, In The Beginning...

YugabyteDB Community Open Hours: Episode 1, In The Beginning...

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1 min read
Generate SQL Script in PostgreSQL

Generate SQL Script in PostgreSQL

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1 min read
pg_hint_plan in views? No. But in UDFs, Yes

pg_hint_plan in views? No. But in UDFs, Yes

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10 min read
Install extensions from PGDG repo to YugabyteDB in Alma8

Install extensions from PGDG repo to YugabyteDB in Alma8

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2 min read
Generate Random Text Strings in PostgreSQL

Generate Random Text Strings in PostgreSQL

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1 min read
Unwrap Oracle Home .plb

Unwrap Oracle Home .plb

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1 min read
“Multi-AZ” in Amazon RDS and how it may differ from High Availability

“Multi-AZ” in Amazon RDS and how it may differ from High Availability

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12 min read
Importing from Oracle Edition Based Redefinition (EBR) to YugabyteDB

Importing from Oracle Edition Based Redefinition (EBR) to YugabyteDB

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3 min read
TiDB: Distributed MySQL with Foreign Key but not Serializable

TiDB: Distributed MySQL with Foreign Key but not Serializable

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5 min read
🦦 What OtterTune hates the most in PostgreSQL🐘 is solved in YugabyteDB🚀

🦦 What OtterTune hates the most in PostgreSQL🐘 is solved in YugabyteDB🚀

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10 min read
How ACID is CitusDB?(compared to YugabyteDB)

How ACID is CitusDB?(compared to YugabyteDB)

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4 min read
Range indexes for LIKE queries in YugabyteDB

Range indexes for LIKE queries in YugabyteDB

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8 min read
YugabyteDB: Achieving High Availability and Disaster Recovery with Two Data Centers

YugabyteDB: Achieving High Availability and Disaster Recovery with Two Data Centers

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12 min read
DROP IF EXISTS & CREATE IF NOT EXISTS in Oracle, MySQL, MariaDB, PostgreSQL, YugabyteDB

DROP IF EXISTS & CREATE IF NOT EXISTS in Oracle, MySQL, MariaDB, PostgreSQL, YugabyteDB

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5 min read
Scalable bounded COUNT DISTINCT in YugabyteDB

Scalable bounded COUNT DISTINCT in YugabyteDB

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6 min read
UPSERT in YugabyteDB

UPSERT in YugabyteDB

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6 min read
Filtering on DENSE_RANK() optimized as pushed-down DISTINCT in YugabyteDB

Filtering on DENSE_RANK() optimized as pushed-down DISTINCT in YugabyteDB

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4 min read
YugabyteDB column-level locking for UPDATE

YugabyteDB column-level locking for UPDATE

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2 min read
AWS EKS: Check if you are on CPU, IO, RAM pressure (a YugabyteDB example)

AWS EKS: Check if you are on CPU, IO, RAM pressure (a YugabyteDB example)

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7 min read
Retype a column in YugabyteDB (and PostgreSQL)

Retype a column in YugabyteDB (and PostgreSQL)

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5 min read
Scalable sequences in PostgreSQL / YugabyteDB

Scalable sequences in PostgreSQL / YugabyteDB

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3 min read
Simulate network latency in a YugabyteDB cluster, on a Docker lab

Simulate network latency in a YugabyteDB cluster, on a Docker lab

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8 min read
YugabyteDB Managed CLI: provisioning a free DB from the command line

YugabyteDB Managed CLI: provisioning a free DB from the command line

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3 min read
Foreign keys referencing partitioned tables in YugabyteDB

Foreign keys referencing partitioned tables in YugabyteDB

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7 min read
SELECT DISTINCT pushdown to do a loose index scan (skip scan)

SELECT DISTINCT pushdown to do a loose index scan (skip scan)

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4 min read
Oracle Auto indexes missing after ora2pg migration? Look at CONSTRAINT_INDEX

Oracle Auto indexes missing after ora2pg migration? Look at CONSTRAINT_INDEX

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4 min read
YugabyteDB Recovery Time Objective (RTO) with PgBench: continuous availability with max. 15s latency on infrastructure failure

YugabyteDB Recovery Time Objective (RTO) with PgBench: continuous availability with max. 15s latency on infrastructure failure

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10 min read
YugabyteDB Managed API: provisioning a free DB from command line

YugabyteDB Managed API: provisioning a free DB from command line

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4 min read
PostgreSQL: ⚠ when locking though views (TL;DR: test for race conditions and check execution plan with BUFFERS, VERBOSE)

PostgreSQL: ⚠ when locking though views (TL;DR: test for race conditions and check execution plan with BUFFERS, VERBOSE)

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5 min read
Testing LSM-Tree merge for Size Amplification in YugabyteDB

Testing LSM-Tree merge for Size Amplification in YugabyteDB

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6 min read
LSM-Tree compaction in YugabyteDB - starting a series of posts

LSM-Tree compaction in YugabyteDB - starting a series of posts

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3 min read
SELECT COUNT(*) FROM 🚀WHERE some conditions ;

SELECT COUNT(*) FROM 🚀WHERE some conditions ;

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8 min read
Blogs about by Vlad Mihalcea about YugabyteDB

Blogs about by Vlad Mihalcea about YugabyteDB

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1 min read
YugabyteDB: when provisional records are applied to RegularDB from IntentsDB

YugabyteDB: when provisional records are applied to RegularDB from IntentsDB

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5 min read
DynamoDB local in Docker

DynamoDB local in Docker

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5 min read
pREST on YugabyteDB

pREST on YugabyteDB

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4 min read
FerretDB + YugabyteDB on Kubernetes (Amazon EKS): a MongoDB API to Distributed SQL, at scale

FerretDB + YugabyteDB on Kubernetes (Amazon EKS): a MongoDB API to Distributed SQL, at scale

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5 min read
generate_series() in Oracle like in PostgreSQL

generate_series() in Oracle like in PostgreSQL

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2 min read
YugabyteDB Helm Chart services: LoadBalancer and headless ClusterIP ☸️🚀

YugabyteDB Helm Chart services: LoadBalancer and headless ClusterIP ☸️🚀

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6 min read
When are PostgreSQL prepared statements fully prepared for execution?

When are PostgreSQL prepared statements fully prepared for execution?

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5 min read
SQL doesn't need the "Single Table Design" but Composite Primary Keys

SQL doesn't need the "Single Table Design" but Composite Primary Keys

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13 min read
🚀Batched Nested Loop to reduce read requests to the distributed storage

🚀Batched Nested Loop to reduce read requests to the distributed storage

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8 min read
Scalable Sequence for PostgreSQL

Scalable Sequence for PostgreSQL

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6 min read
Parallel export to CSV in YugabyteDB thanks to yb_hash_code() and PostgreSQL-compatibility

Parallel export to CSV in YugabyteDB thanks to yb_hash_code() and PostgreSQL-compatibility

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3 min read
Migrating from Oracle Autonomous Database to YugabyteDB with YB-Voyager

Migrating from Oracle Autonomous Database to YugabyteDB with YB-Voyager

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5 min read
Data Rollup in YugabyteDB🚀 and PostgreSQL🐘

Data Rollup in YugabyteDB🚀 and PostgreSQL🐘

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4 min read
Install extensions from PGDG repo to YugabyteDB - example with sequential_uuids

Install extensions from PGDG repo to YugabyteDB - example with sequential_uuids

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5 min read
Adding a PostgreSQL extension to YugabyteDB - example with timestamp9

Adding a PostgreSQL extension to YugabyteDB - example with timestamp9

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6 min read
A very short demo on updates in YugabyteDB

A very short demo on updates in YugabyteDB

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3 min read
IvorySQL - I've tested some Oracle-PostgreSQL compatibility of version 2.1

IvorySQL - I've tested some Oracle-PostgreSQL compatibility of version 2.1

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10 min read
Find active forks of a GitHub repository

Find active forks of a GitHub repository

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2 min read
Moving data from CockroachDB🪳 to PostgreSQL🐘 or YugabyteDB🚀

Moving data from CockroachDB🪳 to PostgreSQL🐘 or YugabyteDB🚀

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8 min read
A very short demo to show YugabyteDB follower reads

A very short demo to show YugabyteDB follower reads

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2 min read
INSERT ON CONFLICT returning old values

INSERT ON CONFLICT returning old values

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3 min read
SQL Macros (aka Parameterized Views) in YugabyteDB with PostgreSQL UDF

SQL Macros (aka Parameterized Views) in YugabyteDB with PostgreSQL UDF

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4 min read
EXPLAIN (ANALYZE, DIST) 🚀 YugabyteDB distributed execution plan

EXPLAIN (ANALYZE, DIST) 🚀 YugabyteDB distributed execution plan

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3 min read
What is a "truly distributed UDF" ?

What is a "truly distributed UDF" ?

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4 min read
Partial Index as an approximate Count(*) Materialized View

Partial Index as an approximate Count(*) Materialized View

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3 min read
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