Software Internals

 To recover from PostgreSQL Database crashes Postgres provides WAL archiving functionality from which a standby database can be created by replaying the WAL logs in the recovery site.This interm helps in recovering the database to a particular point in time which is termed as PITR(Point-In-Time_Recovery). WAL files contain the transaction logs from which the database operation can be replayed.Whenever a database operation is triggered a WAL record is created first and then the corresponding data is flushed to disk. In case of any crash, the lost data is recreated by replaying the WAL record. To enable WAL recovering below configuration needs to be configured in postgresql.conf file

 With the emerging transformation in the field of AI(Artificial Intelligence) and ML(Machine Learning), data plays a very important role because it allows organizations to store large amounts of business data and retrieve them to get insight into products and customers, which will drive the business. The DataBase helps in accomplishing this. Database Management system provides facilities to access and modify these data efficiently and effectively. Database are very important because of following reasons, Databases enable businesses to efficiently and neatly store and handle massive volumes of data. This facilitates the retrieval and access of particular information when needed. Organizations can use databases to evaluate and interpret their data . Through the utilization of tools like pivot tables and SQL queries, organizations can acquire valuable insights into patterns, trends, and other significant data that can assist in making informed decisions. Through the provision of securit