DBA

Composite Indexes in PostgreSQL

Composite indexes in PostgreSQL Composite indexes in PostgreSQL are a powerful tool designed to optimize database performance. They are a type of database index that encompasses more than one column of a table, making them […]

Adaptive Joins in PostgreSQL 16 (mimicked feature)
PostgreSQL

Adaptive Joins in PostgreSQL 16 (mimicked feature)

Introduction PostgreSQL does not natively offer "Adaptive Hash Joins" as a built-in feature for query execution.Instead, the query planner selects join methods, such as nested loop, hash join, or merge join, during plan generation.Additionally, it [...]
Troubleshooting PostgreSQL Error 53300: TOO_MANY_CONNECTIONS
DBA

Troubleshooting PostgreSQL Error 53300: TOO_MANY_CONNECTIONS

When you encounter the 53300: TOO_MANY_CONNECTIONS error in PostgreSQL, it indicates that your database has reached its maximum configured limit for simultaneous connections. This can happen due to high traffic, inefficient application design, or insufficient configuration settings. [...]