Baji Shaik is a Senior Database Consultant with AWS Professional Services. He was introduced to databases in 2011 and over the years have worked with Oracle, PostgreSQL, Postgres Advance Server, RedShift, and Greenplum. His background spans a wide depth and breadth of expertise and experience in SQL/NoSQL database technologies. He is a Database Migration Expert and has developed many successful database solutions addressing challenging business requirements for moving databases from on-premises to Amazon RDS and Aurora PostgreSQL/MySQL and worked on tuning the RDS/Aurora PostgreSQL/MySQL databases to perform up to the mark. He is an author, having written several books on PostgreSQL. A few of his recent works include "PostgreSQL Configuration", "Beginning PostgreSQL on the Cloud", and "PostgreSQL Development Essentials". Furthermore, he has delivered several conferences, and workshop sessions and published many blogs within the AWS blog community.

Dinesh Chemuduru is working as Principal Architect (OSS). He also worked at AWS as a database consultant and he has done many database migrations successfully. He contributed to a few Open Source solutions and built extensions around PostgreSQL. He loves to code in Flutter/Golang/C++ and deploys them into Kubernetes.

Chapter 1: Introduction to PL/pgSQL. - Chapter 2: PL/pgSQL Variables. - Chapter 3: PL/pgSQL Data Types. - Chapter 4: Dealing with Strings, Numbers, and Arrays. - Chapter 5: Control Statements. - Chapter 6: Handling Arrays. - Chapter 7: Handling JSON. - Chapter 8: Cursors. - Chapter 9: Custom Operators. - Chapter 10: Custom Casting. - Chapter 11: Dynamic SQL. - Chapter 12: Building Functions and Procedures. - Chapter 13: Returning Values and Parameters. - Chapter 14: Handling Exceptions. - Chapter 15: Triggers. - Chapter 16: Transaction management. - Chapter 17: Aggregators. - Chapter 18: Listen and Notify. - Chapter: 19: PL/pgSQL Essential Extensions.