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Oracle

Streamlining SQL Index Management with Oracle’s Auto Index

In the bygone era of database management, sluggish SQL queries often led to suspicions directed at indexes. Manual creation, deletion, and rebuilding of indexes were labor-intensive tasks, even with the assistance of scripts. However, these generic index treatments applied to Read more…

By dfmaster, 2 yearsNovember 24, 2023 ago
Oracle

Oracle Dedicated Infrastructure: The Perfect Solution for Those Who Want the Flexibility of On-Premises with the Security and Efficiency of the Cloud

Recently, I was talking to the IT infrastructure manager of a magnificent industry in the western region of Paraná. When we were talking about databases, I asked if the database was in the cloud. Demonstrating a concern for greater flexibility, Read more…

By dfmaster, 2 years ago
SQL

Exploring Listagg Efficiency in Oracle to Group Invoice Data

Recently, I found myself confronted with the challenge of presenting detailed information about receivable invoices from a company. A crucial requirement was displaying the salesperson and department linked to the original sale. However, the complexity arose from multiple invoices grouping Read more…

By dfmaster, 2 yearsNovember 20, 2023 ago
Data Science

Revealing the Hidden: The Wonders of Data Mining Projects

In a world overflowing with data, Data Mining projects stand out as an essential tool to uncover valuable insights. One of the most fascinating aspects of these projects is the need to go beyond the obvious, aiming to extract knowledge Read more…

By dfmaster, 2 yearsNovember 19, 2023 ago
SQL

Using Oracle MERGE to Efficiently Update or Insert Records in Your Database

Introduction: Recently, I found myself tasked with analyzing an application that was causing an excessive number of redundant records to be stored in the database. The issue stemmed from the fact that certain pieces of information, which ideally should have Read more…

By dfmaster, 2 years ago
Google

Authenticating and Accessing Google Sheets API – A Step-by-Step Guide

Are you looking to integrate Google Sheets into your application? Google Sheets API provides a powerful way to interact with your spreadsheets programmatically. In this blog post, we will walk you through the process of authenticating and accessing the Google Read more…

By dfmaster, 2 yearsOctober 29, 2023 ago
Google

Automating Data Flow from Marketing System to Google Sheets using Python

Introduction In today’s data-driven business landscape, the efficient handling of data is critical for making informed decisions and shaping effective strategies. However, managing data from various sources can be a time-consuming and error-prone process. In this blog post, we will Read more…

By dfmaster, 2 yearsOctober 29, 2023 ago
JSON

Extracting Attendant Information from JSON in Oracle Using JSON_VALUE and JSON_TABLE

In recent database management tasks, I encountered the need to extract an “attendant” ID from a JSON document stored in a CLOB column within the table df_nsf_mov_det. This information was crucial for storing the value in another table. The challenge Read more…

By dfmaster, 2 yearsOctober 29, 2023 ago
About me

About me

Hello! I’m Dênio, a professional with over 15 years of experience in IT and a bachelor’s degree in Economics, which enriches my knowledge in Data Science. Since 2006, I’ve been working in data-related roles, honing my expertise in data analysis, Read more…

By dfmaster, 2 yearsOctober 22, 2023 ago
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