December 2017
Intermediate to advanced
386 pages
10h 42m
English
Content preview from SciPy Recipes
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Reading and writing from/to SQL databases
pandas can read data from any SQL database that supports Python data adapters that respect the Python DB-API. Reading is performed using the pandas.io.sql.read_sql() function, and writing to SQL databases is done using the .to_sql() method of DataFrame.
To demonstrate, the following reads the stock data from msft.csv and aapl.csv. It then makes a connection to an SQLite3 database file. If the file does not exist, it is created on the fly. It then writes the MSFT data to a table named STOCK_DATA. If the table does not exist, it is created as well. If it does exist, all the data is replaced with the MSFT data. Finally, it then appends the AAPL stock data to that table:
To demonstrate that this data ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.