Introduction This article will focus on how to connect to a PostgreSQL database server. The connection itself is from a […]
Tag: PostgreSQL Database Server
How to Solve Error Message java.sql.SQLException: No suitable driver found for postgresql://localhost:5432/db_name when Executing Java Web Application using Primefaces Framework
Introduction This article’s main content is showing about how to solve a problem by the appearance of an error message […]
How to Solve Error Message Caused by: java.lang.NullPointerException: Cannot invoke “java.sql.Connection.prepareStatement(String)” because “this.connection” is null when executing Java Web Application using Primefaces Framework solve by edit URL Connection
Introduction This is the alternative continuation of the previous article. If in the previous article the error is still appear, […]
How to Solve Error Message Caused by: java.lang.NullPointerException: Cannot invoke “java.sql.Connection.prepareStatement(String)” because “this.connection” is null when executing Java Web Application using Primefaces Framework solve by adding Database Driver
Introduction This article is pointing out the situation where an error message appear. The error message exist as part of […]
How to Describe Table in PostgreSQL using a command execution in a PostgreSQL Command Console
Introduction This is an article where the main focus is showing about how to describe a certain table in PostgreSQL […]
How to Solve Error Message ERROR: syntax error at or near “auto_increment” when create table in PostgreSQL Database Server
Introduction Another article where the main focus is just to show how to solve error message. The error message appears […]
How to Solve Error Message Cannot Create user Table in PostgreSQL Database Server
Introduction This is another article where the focus is going to solve a certain error message. The error message exist […]
How to Alter Primary Key Column as an Auto Increment Column in PostgreSQL Database Server
Introduction In this article, the main purpose is to be able to alter a primary key to have an auto […]
How to Solve Error Message ERROR: null value in column “id” of relation “table” violates not-null constraint when inserting row to a table in PostgreSQL Database Server
Introduction This is an article which is focusing on how to solve an error message appear upon inserting a new […]
How to Solve Error Message django.db.utils.OperationalError: fe_sendauth: no password supplied when migration database Django Application
Introduction Another article containing an attempt for solving an error message appear upon the execution of migration process in Django […]