Database Fundamentals
Basic database principles and techniques
Databases
Pay particular attention to database connection objects as they are our recommended best practice.
Database Connection Settings →
Settings for MySQL, Oracle OCI and ODBC, SQL Server ODBC, SQLite, etc.
Working with Databases
Practical database techniques
How do I handle retry logic for unreliable external resources?
Understanding how database transactions are handled
Dealing with NULL data from databases
Prevent NULL values from causing “unintentional” database deletions
Use node:remove() to prevent Conn:merge() overwriting valid DB data with NULLs