- Keywords
- SQL keywords are generally case-insensitive by default
- Professional developers often use capital letters for keywords
- Clear code style helps with collaboration between developers
- Table and Column Names
- PostgreSQL table names are case-insensitive by default
- MySQL case sensitivity varies by operating system
- MS SQL Server is case-insensitive by default
- Table names in PostgreSQL and MySQL typically use snake_case
- MS SQL Server commonly uses PascalCase
- Column Values
- PostgreSQL performs case-sensitive string comparisons by default
- MySQL and MS SQL Server have case-insensitive default behavior
- Case sensitivity can be modified through collation settings
- ILIKE keyword enables case-insensitive comparisons in PostgreSQL