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StatsBombSoccerDB

This repository contains the implementation of a PostgreSQL database for storing and querying soccer event data, as part of a course project. The data schema and loading scripts are tailored to manage and analyze detailed soccer match events provided by StatsBomb.

Repository Structure

  • sql/: Contains the ddl.sql script for initializing the database schema.
  • json_loader/: Includes scripts for loading data into the database:
    • config.py: Configuration file for PostgreSQL database connection settings and data path.
    • load_data.py: Script to load JSON data into the PostgreSQL database.
  • dbexport.sql: An export of the database, which includes some sample loaded data.
  • queries.py: Python script that runs specific SQL queries on the database and outputs the results.

Data Source

The dataset used in this project is taken from StatsBomb's open data, specifically from their GitHub repository. The data is structured as JSON files, typically used in document databases, but here it has been adapted for use in a relational database.

Getting Started

Prerequisites

  • PostgreSQL: Make sure you have PostgreSQL installed on your system. You can download it from here.
  • Python: This project uses Python scripts for loading data and running queries. Ensure you have Python installed.

Setting Up the Database

  1. Initialize the Database Schema

Navigate to the sql/ directory and run the ddl.sql file against your PostgreSQL database to set up the necessary tables and relationships:

psql -U <username> -d <database_name> -a -f ddl.sql

  1. Configure the Database Connection Edit the config.py file in the json_loader/ directory with your PostgreSQL database settings.

Loading the Data

After configuring the connection, run the load_data.py script to import the JSON data into the database:

python json_loader/load_data.py

Running Queries

Execute the queries.py script to run predefined SQL queries on the loaded data:

python queries.py

Example Data

The dbexport.sql file in the repository is an example of how the database looks once data is loaded. You can import this file into your PostgreSQL instance to quickly set up a pre-populated database.

Contributing

While this project was initially created for a course, contributions to improve the code or extend the functionality are welcome.