PostgreSQL
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Core Java
PostgreSQL Hibernate 6 JSON Example
1. Introduction Hibernate 6 enhances the Object-Relational Mapping(ORM) framework by supporting JSON Data types. In this example, I will create…
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JavaScript
NestJs CRUD Operations Example
This article provides a comprehensive example of implementing CRUD operations using NestJS, a powerful Node.js framework. 1. Introduction NestJS is…
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Java
Storing Date and Time in PostgreSQL Example
1. Introduction Handling date and time values is an essential task, especially when dealing with systems that track events, transactions,…
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Core Java
Persisting UUIDs in Postgres with JPA
UUIDs are powerful tools for ensuring unique identification in distributed systems. This article explores how to use Spring JPA with…
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Software Development
Window functions in Database
Window functions in PostgreSQL allow us to perform calculations across a set of table rows that are related to the…
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Software Development
Database stored proc and triggers
When working with databases, stored procedures, and triggers are powerful tools that allow developers to automate and streamline data operations.…
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Core Java
Getting the Insert ID in JDBC
When working with relational databases in Java, it’s common to perform insert operations and then retrieve the ID of the…
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Core Java
Resolving PostgreSQL JSON Type Mismatch Errors in JPA
When working with PostgreSQL and Java Persistence API (JPA), you might encounter a common error related to JSON data types.…
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Enterprise Java
How to Fix PSQLException Operator Does Not Exist Character Varying = UUID
When working with Spring JPA and PostgreSQL, you might encounter an error like PSQLException: Operator Does Not Exist: character varying…
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