PostgreSQL is known for its powerful query processing capabilities, but sometimes even the most efficient queries can run slowly if not properly optimized. Understanding how PostgreSQL executes queries is key to troubleshooting and improving database performance. In this article, we’ll…
PostgreSQL is renowned for its robustness, scalability, and flexibility, making it one of the most powerful relational database management systems available today. However, like any complex software, even the best PostgreSQL setups can encounter performance issues, slow queries, or unexpected…
PostgreSQL’s Write-Ahead Logging (WAL) system plays a crucial role in ensuring data integrity and enabling features like replication and point-in-time recovery. However, WAL files can sometimes fail to be deleted, leading to excessive disk space consumption. In this article, we…
Ever wondered how companies like Instagram and Reddit manage millions of data points seamlessly? Behind many successful applications lies PostgreSQL, the open-source database powerhouse that’s been quietly shaping the digital world for over 30 years. Unlike your everyday spreadsheet, PostgreSQL …
Optimizing the PostgreSQL database server’s performance heavily relies on adept memory management. The server’s behavior is governed by settings in the postgres.conf file. While default parameter values are provided, customizing these to align with specific workloads and operational environments can…
In PostgreSQL, the `search_path` is a configuration parameter that determines which schemas the system will check and in what order when an object (like a table or a function) is referenced by a simple, unqualified name. By default, the `search_path`…
The error “could not load server certificate file ‘server.crt’: No such file or directory” in PostgreSQL indicates that the server is unable to find the server.crt file, which is required for SSL connections. If you don’t need that, set “ssl…
Enabling SSL in PostgreSQL is a straightforward process that only requires three simple steps: Obtain server certificate and key files for Postgres On PostgreSQL server, we need 3 certificates in data directory for SSL configuration. They are: In…
When running the \dt command in PostgreSQL, the error message “Did not find any relations” means that no tables were found in the current schema that is visible to the user running the command. In PostgreSQL, the \dt command is…
Get table size with pg_relation_size in Postgres PostgreSQL provides a dedicated function, pg_relation_size, to compute the actual disk space used by a specific table or index. We just need to provide the table name. To check the size of a…
