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Saturday, January 13, 2024

Pandas v Psycopg. A Postgres database velocity take a look at. Who… | by Thomas Reid

Two racing cars in a race, one represents Pandas, the other Psycopg2
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Following on from a narrative I wrote evaluating the velocity of Pandas and Polars libraries when it comes to studying and writing information — from and to — a Postgres database I believed it could be attention-grabbing to do an analogous comparability between Pandas and Psycopg2.

If it’s essential to get information from or to a Postgres database desk from or to an area file, learn on for the winner.

You’ll find the Pandas v Polars article on the hyperlink under:


I don’t suppose I would like to clarify a lot about what Pandas is. Its use in Python code is ubiquitous and is likely one of the foremost instruments that folks use to load, discover, visualise and course of giant quantities of knowledge in Python.


Psycopg is likely one of the hottest PostgreSQL database libraries for the Python programming language. It implements the Python Database API Specification v2.0, permitting Python functions to speak with PostgreSQL databases.

Psycopg is designed for effectivity and thread security. It offers a high-level, Pythonic interface for connecting to a PostgreSQL database, executing SQL statements, managing transactions, and fetching outcomes, whereas additionally providing low-level entry to PostgreSQL-specific options for superior use instances.

Utilizing Psycopg, Python functions can carry out quite a lot of database operations. These embrace executing SQL queries and instructions, manipulating giant object storage in PostgreSQL, managing transactions, and dealing with notifications from the PostgreSQL database.

The library additionally helps quite a lot of PostgreSQL options, equivalent to ready statements, a number of cursors, asynchronous notifications, and COPY instructions for bulk information transfers. Moreover, it helps superior information sorts and strategies supplied by PostgreSQL, together with geometric sorts, arrays, hstore, JSON, and others.

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