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Columnar

@columnar_tech

Building the future of fast universal data connectivity.

columnar.tech
Joined April 2025
  • Tweets57
  • Following1
  • Followers139
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📣 Introducing the ADBC driver for @mariadb Purpose-built for MariaDB with native UUID, VECTOR, JSON, and geometry types, richer metadata and statistics, and full transactions. To install 👉 dbc install mariadb Built in partnership with @mariadb_org. Big thanks to @lefred 🙏
The Apache Arrow ADBC logo and the MariaDB logo side by side, joined by a plus sign.

ALT The Apache Arrow ADBC logo and the MariaDB logo side by side, joined by a plus sign.

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Docs: adbc-drivers.org/drivers/mar… Source: github.com/adbc-drivers/mari… To get started, first install dbc: columnar.tech/dbc
ADBC Driver for MariaDB

ADBC Driver for MariaDB

This driver provides access to MariaDB, the free and open-source relational database management system. Installation: The MariaDB driver can be installed with dbc: Connecting: To connect, edit the...

adbc-drivers.org
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The row-oriented database connectivity crowd, to us:
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📈 50 years of the data stack on one screen. An interactive timeline of access, compute, and storage, 1976 to 2026, built from hundreds of sources. How relational systems took over everything, and why the interfaces between layers matter now. Full story below 👇
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history.columnar.tech
Data: The First 50 Years

Data: The First 50 Years

An interactive history of the analytic data stack, from 1976 to 2026.

history.columnar.tech
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This Friday at PyData Amsterdam 2026, @zeroshade will show how @duckdb and @ApacheArrow ADBC work together to make data analytics in Python faster and easier. Join us on September 11 at 11:05! Link in the comments. #PyData #Python #DuckDB #ApacheArrow #ADBC #DataAnalytics
Promotional graphic for Matthew Topol's PyData Amsterdam 2026 talk, "DuckDB + ADBC: Faster, Easier Data Analytics in Python," on September 11, featuring the Python, DuckDB, Apache Arrow, and Columnar logos.

ALT Promotional graphic for Matthew Topol's PyData Amsterdam 2026 talk, "DuckDB + ADBC: Faster, Easier Data Analytics in Python," on September 11, featuring the Python, DuckDB, Apache Arrow, and Columnar logos.

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pretalx.com/pydata-amsterdam…

DuckDB + ADBC: Faster, Easier Data Analytics PyData Amsterdam 2026

DuckDB and ADBC (“Arrow Database Connectivity”) have both become popular tools for data analytics in Python. DuckDB provides a fast, embeddable query engine that often beats heavyweight tools and...

pretalx.com
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ADBC users have been asking for NoSQL support. So we released our first NoSQL driver for @cassandra. Query Cassandra from 10+ languages through ADBC's standard interface, with results returned in Arrow columnar format. Install the pre-release 👉 dbc install --pre cassandra
ADBC Drivers pre-release announcement for Apache Cassandra. Install command: dbc install --pre cassandra

ALT ADBC Drivers pre-release announcement for Apache Cassandra. Install command: dbc install --pre cassandra

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Announcement: adbc-drivers.org/blog/2026/0… Docs: adbc-drivers.org/drivers/cas… Quickstarts: github.com/columnar-tech/adb…
Preview of a new ADBC driver for Apache Cassandra

Preview of a new ADBC driver for Apache Cassandra

August 25, 2026 ADBC Drivers Contributors An alpha release of a new ADBC driver for Apache Cassandra is available through dbc. Install version 0.1.0-alpha.1 with: The driver supports query execution,...

adbc-drivers.org
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This week, we announced that chDB is now available as an ADBC driver. To install it 👉 dbc install chdb chDB is an in-process SQL engine powered by the @ClickHouseDB core. Now you can use chDB from any language that supports ADBC. See the docs and quickstarts below 👇
Diagram showing language clients (C++, C#, Go, Java, JavaScript, Kotlin, Python, R, Ruby, Rust, shell, and TypeScript) connecting through ADBC to chDB, the in-process SQL engine powered by ClickHouse.

ALT Diagram showing language clients (C++, C#, Go, Java, JavaScript, Kotlin, Python, R, Ruby, Rust, shell, and TypeScript) connecting through ADBC to chDB, the in-process SQL engine powered by ClickHouse.

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Docs: clickhouse.com/docs/chdb/ins… Quickstarts: github.com/columnar-tech/adb…
chDB as an ADBC driver - ClickHouse Documentation

chDB as an ADBC driver - ClickHouse Documentation

How to use chDB through Arrow Database Connectivity (ADBC)

clickhouse.com
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This week, we released a new ADBC driver for @prestodb. It’s available now as a pre-release, and we’d love feedback from early adopters. Try it out 👉 dbc install --pre presto Docs and quickstarts are linked in the comments
New pre-release ADBC Driver for Trino. To install: dbc install --pre presto

ALT New pre-release ADBC Driver for Trino. To install: dbc install --pre presto

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Announcement: adbc-drivers.org/blog/2026/0… Docs: adbc-drivers.org/drivers/pre… Quickstarts: github.com/columnar-tech/adb…
Preview of a new ADBC driver for Presto

Preview of a new ADBC driver for Presto

August 19, 2026 ADBC Drivers Contributors An alpha release of a new ADBC driver for Presto is now available via dbc. Run dbc install --pre presto to try version 0.1.0-alpha.1 today. The driver...

adbc-drivers.org
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Columnar retweeted
Nitay Joffe (@nitayj) profile picture
Nitay Joffe
@nitayjAug 4
Pulling a big result set from Snowflake into Tableau isn't network-bound. It's CPU-bound — burning cycles converting columns to rows and straight back to columns. @ianmcook of Columnar on ADBC, and the 10-100x you get by deleting that step. link below
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This week, the Apache Arrow project released ADBC 24. Highlights include: 📦 Updated client libraries for 9+ languages 🔌 3 updated drivers (14+ more available) 📖 New and improved documentation site See the release announcement in the comments for more details 👇
Graphic titled "ADBC 24 Release" highlighting updated language libraries for C/C++, C#, Go, Java, Node.js, Python, Ruby, R, and Rust; updated drivers for PostgreSQL, SQLite, and Flight SQL, with 14+ additional drivers available; and new documentation for finding and installing drivers, using client libraries, and developing drivers.

ALT Graphic titled "ADBC 24 Release" highlighting updated language libraries for C/C++, C#, Go, Java, Node.js, Python, Ruby, R, and Rust; updated drivers for PostgreSQL, SQLite, and Flight SQL, with 14+ additional drivers available; and new documentation for finding and installing drivers, using client libraries, and developing drivers.

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Release announcement: arrow.apache.org/blog/2026/0…
Apache Arrow ADBC 24 (Libraries) Release

Apache Arrow ADBC 24 (Libraries) Release

The Apache Arrow team is pleased to announce the version 24 release of the Apache Arrow ADBC libraries. This release includes 57 resolved issues and 142 merged pull requests from 28 distinct contri...

arrow.apache.org
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This week, @columnar_tech & @ClickHouseDB announced the official ADBC driver for ClickHouse. Use it for zero-conversion, end-to-end @ApacheArrow data transfer for analytics & AI applications. It works in C/C++, Go, Java, JS/TS, Python, R, Ruby, Rust, & more. Link in comments👇
ADBC Drivers: New Release: ClickHouse. To install: dbc install clickhouse

ALT ADBC Drivers: New Release: ClickHouse. To install: dbc install clickhouse

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clickhouse.com/blog/introduc…
One Driver, One Format, Every Language: ADBC | ClickHouse

One Driver, One Format, Every Language: ADBC | ClickHouse

ClickHouse now has an official ADBC driver, giving Ruby, R, C, and every other ADBC-aware tool zero-conversion, Arrow-native access to ClickHouse without a dedicated client for each language.

clickhouse.com
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Simple runnable examples in 9 languages: github.com/columnar-tech/adb…
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Documentation: docs.adbc-drivers.org/driver…
ADBC Driver for ClickHouse

ADBC Driver for ClickHouse

This driver provides access to ClickHouse, an open source data warehouse and analytical database. It is developed by ClickHouse, Inc. The source code can be found at adbc_clickhouse; the ADBC Driver...

adbc-drivers.org
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