sql - rmauro.dev {blog}

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sql

A collection of 4 posts

Oracle Remove Duplicate from Table

Oracle Remove Duplicate from Table

Let's explore a one effective method to remove duplicate rows from an Oracle table. Duplicate data can be a common problem when working with databases, and it's crucial to eliminate such redundancy to ensure data accuracy and improve query performance. Using this simple query we can

Oracle PIVOT Command - Turn Rows into Columns

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Oracle PIVOT Command - Turn Rows into Columns

Discover the technical prowess of Oracle's PIVOT command, a robust feature that efficiently converts rows into columns. This blog post delves into the syntax, use cases, and practical examples to illustrate how PIVOT simplifies data analysis and reporting in Oracle databases. Understanding the PIVOT Command The PIVOT command

Oracle JSON_TABLE Transforming JSON into Table

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Oracle JSON_TABLE Transforming JSON into Table

The function JSON_TABLE allows us to transform JSON data into a table relational format. This article will explore the Oracle JSON_TABLE function and its syntax and provide examples to demonstrate its usage and capabilities.

Oracle MERGE Statement SQL

Oracle MERGE Statement SQL

Oracle MERGE statement is one of those powerful commands which allows you to perform INSERT and UPDATE operations in a single statement based on specific conditions.