PostgreSQL Articles, Guides & Best Practices

PostgreSQL Kill: How to Kill a Process from Inside PostgreSQL

How to Kill an PostgreSQL process from inside PostgreSQL? In PostgreSQL, you can use the pg_terminate_backend() function to kill a specific process. This function takes a single argument, the process ID of the process you [...]

PostgreSQL Table Change: Find When a Table Was Last Changed

Find When was a table last changed in PostgreSQL? In PostgreSQL, you can use the pg_class system catalog table to determine when a table was last changed. The pg_class table contains metadata about all tables [...]

PostgreSQL Chained Rows: How to Detect Chained and Migrated Rows

How do you think you could detect chained and migrated rows in PostgreSQL? Chained and migrated rows occur in PostgreSQL when rows are updated and cannot fit in their original block due to space constraints, [...]

PostgreSQL 16 pg_Dump: What’s Different

How pg_dump is different in PostgreSQL 16? The pg_dump command is a tool used to export data from a PostgreSQL database into a file. The tool has been included in PostgreSQL since version 7.0 and […]

PostgreSQL Multi-Master Replication: Step-by-Step for High Availability (PostgreSQL 15)

Step-by-step PostgreSQL multi-master Replication for High Availability Here is a general step-by-step guide for setting up PostgreSQL multi-master replication in PostgreSQL 15 for high availability: Step 1: Prepare the master nodes: Make sure that the […]

PostgreSQL Least Recently Used (LRU) List: How It Is Managed

How Least Recently Used (LRU) list is managed in PostgreSQL? In PostgreSQL, the least recently used (LRU) list is a mechanism used to manage the buffer cache. The buffer cache is a memory area used [...]

How PostgreSQL Vacuum works?

How does PostgreSQL Vacuum work? In PostgreSQL, the vacuum process is responsible for reclaiming space from deleted or updated rows in tables. The vacuum process works by scanning the table and removing any rows that [...]

pgAdmin 4 Two Factor Authentication: How to Set It Up

How to setup Two Factor Authentication in pgAdmin 4? Setting up two-factor authentication (2FA) in pgAdmin 4 is a multi-step process that involves configuring pgAdmin and the PostgreSQL server. Here is an overview of the [...]

PostgreSQL 15 Parallelized Vacuum: How to Implement It

How to implement Parallelized Vacuum in PostgreSQL 15? In PostgreSQL 15, the parallelized vacuum feature allows you to run multiple vacuum processes in parallel, which can significantly improve the performance of the vacuum operation. Here [...]

PostgreSQL Transparent Data Encryption (TDE): How to Implement It

Implementing Transparent Data Encryption (TDE) in PostgreSQL Transparent Data Encryption (TDE) is a feature in PostgreSQL that allows you to encrypt data at rest, meaning the data is encrypted when it is stored on disk [...]

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