WAL Internals in PostgreSQL Write-Ahead Log (WAL) is a very important term in transaction processing. In PostgreSQL, it is also known as a transaction log. A log is a record of all the events or changes and WAL data is just a description of changes… Read More
Data Fragmentation in PostgreSQL PostgreSQL is a relational database management system with a client-server architecture. At the server-side, PostgreSQL’s processes and shared memory work together and build an instance, which handles the access to the data. Client programs connect to the instance and request read… Read More
Dear Readers, In this article, we will see SQL Server Database Architecture. SQL Server MDF Files In the SQL Server Primary Data Files are the basic data files which are related to the database for the storing and supervision of the information. MDF file in… Read More
