PostgreSQL Advantages and Disadvantages 2026 : Aalpha

- ## Slower performance: There are various performance issues and backup recovery challenges that people face with Postgres. A lot of times you have a query which is running slow and you suddenly see there is performance degradation in your database environment. When finding a query, Postgres due to its relational database structure has to begin with the first row and then read through the entire table to find the relevant data. Therefore, it performs slower especially when there is a large number of data stored in the rows and columns of a table containing many fields of additional information to compare.