SQL Cursor Example

Date: 2022-04-04

This tutorial explains SQL cursors, objects that allow row-by-row traversal of result sets in databases like PostgreSQL. The article details the cursor lifecycle and syntax, including the FETCH and CLOSE keywords. It provides a practical example using Docker to set up a PostgreSQL database, create a sample table, and demonstrate cursor usage with sample SQL commands. The tutorial highlights cursors' memory and bandwidth efficiency, although it notes their infrequent use for row-by-row processing.

Read more: https://examples.javacodegeeks.com/sql-cursor-example/