Following on from a narrative I wrote evaluating the velocity of Pandas and Polars libraries when it comes to studying and writing knowledge — from and to — a Postgres database I believed it is likely to be fascinating to do an identical comparability between Pandas and Psycopg2.
If it’s good to get knowledge from or to a Postgres database desk from or to a neighborhood file, learn on for the winner.
You’ll find the Pandas v Polars article on the hyperlink beneath:
Pandas
I don’t assume I want to elucidate a lot about what Pandas is. Its use in Python code is ubiquitous and is among the major instruments that folks use to load, discover, visualise and course of massive quantities of knowledge in Python.
Psycopg
Psycopg is among 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 supplies 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 circumstances.
Utilizing Psycopg, Python functions can carry out quite a lot of database operations. These embrace executing SQL queries and instructions, manipulating massive object storage in PostgreSQL, managing transactions, and dealing with notifications from the PostgreSQL database.
The library additionally helps quite a lot of PostgreSQL options, corresponding to ready statements, a number of cursors, asynchronous notifications, and COPY instructions for bulk knowledge transfers. Moreover, it helps superior knowledge varieties and strategies supplied by PostgreSQL, together with geometric varieties, arrays, hstore, JSON, and others.