PostgreSQL

Introduction When working with PostgreSQL, encountering a ‘division by zero’ error can be a common issue developers face. This runtime error occurs when an attempt is made to divide a numeric value by zero, which is......

Introduction When working with relational databases like PostgreSQL, ensuring data integrity is crucial. Foreign Key constraints are used to maintain the referential integrity between tables. However, if you encounter a ‘Foreign......

Introduction If you are developing a project using PostgreSQL and you encounter the error ‘No space left on device’, it indicates that PostgreSQL has run out of disk space to continue its operations. This error can cause......

Introduction When working with PostgreSQL, encountering a lock timeout error can interrupt the flow of operations within your project. The error could not obtain lock on row in relation indicates that a database transaction is unable......

Introduction PostgreSQL is a powerful open-source object-relational database system. One common issue developers may encounter when using PostgreSQL is the ‘Exceeding Connections Limit’ error. This indicates that the number......

Overview Encountering the ‘PostgreSQL Error: Unexpected NULL Value’ can be a common issue when working with PostgreSQL databases. This tutorial will guide you through understanding the reasons behind this error, as well as......

Overview The ‘Out of Shared Memory’ error in PostgreSQL often arises when there isn’t enough shared memory available for a process to complete its task. Shared memory is a system-wide resource with size limits, which......

Introduction When developing applications using PostgreSQL, encountering syntax errors is common. One such error is syntax error at or near 'identifier', which can be frustrating to debug. This error is usually caused by typos, using......

Introduction Developers often encounter the error “Column ‘column_name’ does not exist” when working with PostgreSQL. This error typically indicates a discrepancy between the queried column names and the actual......

Overview When working with PostgreSQL on your development machine, you may encounter the error message ‘psql: command not found’. This error indicates that the PostgreSQL command-line utility psql is either not installed or......

The Problem The error ‘Peer authentication failed for user “postgres”‘ usually occurs when trying to access a PostgreSQL database. This error is related to the PostgreSQL authentication method, which is set to......

Introduction Ensuring clear and consistent naming for tables and columns in PostgreSQL is crucial for database maintainability, scalability, and team collaboration. This guide outlines best practices for naming your database schema......