Deep dive into NULL in PostgreSQL and ways to handle
PostgreSQL database treats NULL as unknown. NULL is not same as empty or zero value. This is why you can not compare NULL with anything in PostgreSQL database. Comparison of…
This category is used for articles related to any database migration
PostgreSQL database treats NULL as unknown. NULL is not same as empty or zero value. This is why you can not compare NULL with anything in PostgreSQL database. Comparison of…
This article gives tips and tricks on how to write and understand hierarchical query in Oracle databases implemented using CONNECT BY clause and then how to convert using recursive WITH…
RAISE statement in PostgreSQL is used to report messages and raise errors. PostgreSQL provides level option to specify with RAISE that specifies the severity of the statement. Possible levels with…
Organizations choose to migrate databases for a variety of reasons including trying to reduce costs by moving to open source databases, explore the power of fully managed cloud-based databases, seeking…
Database migration is conceptually though a simple task, but there are many uninvited challenges that database migration brings in. You can read our article Challenges during a typical data migration…
Managing databases to run at scale with high availability and reliability is difficult, time consuming and expensive. This is why, many companies are moving their databases to cloud to explore…