Category: SQL

How to Backup and Restore PostgreSQL Databases Using pg_dump and pg_restore

SQL

Learn to efficiently backup and restore PostgreSQL databases using pg_dump and pg_restore with this comprehensive step-by-step article. pg_dump is a PostgreSQL backup utility that allows database administrators to export databases in various forms, including full, copy, incremental, and differential backups. Alongside pg_dumpall, this tool can export one or multiple databases in a…

How to Use the Case Statement in PostgreSQL

SQL

Learn to implement a PostgreSQL CASE statement, enhancing readability and maintainability for grading student marks. The CASE statement in PostgreSQL allows you to evaluate conditions and return values based on those conditions. It’s useful when you want to add conditional logic to queries. For example, grading student scores or classifying records based…