Resolved MySQL database connection and import issues

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📅 2024-02-02 — Session: Resolved MySQL database connection and import issues

🕒 21:10–22:25
🏷️ Labels: Mysql, SQL, Database, Troubleshooting, Google Cloud
📂 Project: Dev
⭐ Priority: MEDIUM

Session Goal

The primary objective of this session was to establish a reliable connection to a Google Cloud SQL instance and troubleshoot any issues related to database operations, particularly focusing on MySQL.

Key Activities

  • Developed a memo template for tracking database connection attempts and documenting command history.
  • Set up the Cloud SQL Proxy, providing detailed command breakdowns and usage notes.
  • Troubleshot connection issues with Google Cloud SQL, addressing OAuth and connectivity errors.
  • Imported CSV files into a MySQL database, including table creation and data import commands.
  • Resolved a ‘No database selected’ error by using the USE statement and corrected SQL command sequences.
  • Addressed issues related to using reserved keywords in SQL by using backticks.
  • Provided solutions for common SQL errors such as TypeError during query execution and auto-increment issues in MySQL.
  • Debugged CSV row insertion problems in MySQL using pymysql and ensured proper error handling.

Achievements

  • Successfully connected to Google Cloud SQL and documented the process for future reference.
  • Established a workflow for importing data into MySQL and handling common SQL errors.
  • Improved database operation efficiency by resolving auto-increment and reserved keyword issues.

Pending Tasks

  • Further refine the memo template to include more detailed troubleshooting steps and references.
  • Explore additional error handling techniques for complex SQL operations.

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