This article will describe one of the key features of PostgreSQL. What ensures its reliability and durability is the Write-Ahead Log (WAL) mechanism. WAL is fundamental to the PostgreSQL disaster recovery, replication, and data integrity processes. This article will take a detailed look at the concept of WAL, its structure, operation, and importance in the PostgreSQL ecosystem.
In the previous article we started with an introduction to software testing. In this article we will go into more detail, and start with Quality Gates. I will try to describe their basic types and coverage areas in software testing.
One of the challenges for any organization is how to optimize the productivity of their employees. Obviously the better the productivity the more chance your business will be successful.In general, employees are most productive when they clearly understand their tasks, when they feel appreciated, and when they can get help and feedback as necessary. While the pandemic years have normalized working together when not co-located, there are still some unique challenges when working with an offshore team. Let's take a look at some common ones and ways to mitigate them.
This article will discuss PostgreSQL indexes, their types, and their uses. Indexes are designed to optimize database queries, but they add memory overhead. Therefore, they should be used wisely and with understanding.
