2023 – Azure and AWS Cloud Guide

4 Minutes

Amazon AWS Exams Azure and AWS Data Lakes as Data Warehouses Microsoft Exams

Evolution of Databases and Codd Rules – Introduction

Roy Egbokhan 2023-12-07 0 Comment

Evolution of Databases and Codd Rules The evolution of databases began with IBM’s development of the first commercially successful database management system (DBMS) in the 1960s. The relational model of databases, introduced by E.F....

3 Minutes

Amazon AWS Exams Azure and AWS Examples of Data Marts Microsoft Exams

Transitioning to the World of Data Warehouses – Introduction

Roy Egbokhan 2023-10-07 0 Comment

Transitioning to the World of Data Warehouses In the 1970s, the dominant form of database used in business was the hierarchical database, which organized data in a tree-like structure, with parent and child nodes....

4 Minutes

Amazon AWS Exams Azure and AWS Microsoft Exams Reporting Techniques

Data Warehouse Concepts – Introduction

Roy Egbokhan 2023-08-07 0 Comment

Data Warehouse Concepts In today’s world, businesses collect more data than ever before. This data can come from a variety of sources, such as customer transactions, social media, and Internet of Things (IoT) devices....

5 Minutes

Amazon AWS Exams Azure and AWS Data Lakes as Data Warehouses Examples of Data Marts Microsoft Exams

Data Sources (Data Format and Common Sources) – Introduction

Roy Egbokhan 2023-06-07 0 Comment

Data Sources (Data Format and Common Sources) In a data warehouse, data source refers to any system or application that provides data to the data warehouse. A data source can be any type of...

4 Minutes

Amazon AWS Exams Azure and AWS Data Lakes as Data Warehouses Microsoft Exams Reporting Techniques

ETL (Extract, Transform, Load) – Introduction

Roy Egbokhan 2023-05-07 0 Comment

ETL (Extract, Transform, Load) ETL stands for extract, transform, load. It is a process used to move data from one or more source systems, transform the data to fit business needs, and load the...

1 Minute

Amazon AWS Exams Azure and AWS Examples of Data Marts Microsoft Exams Reporting Techniques

ETL andELT – Introduction

Roy Egbokhan 2023-03-07 0 Comment

ETL andELT ETL (extract, transform, load) and ELT (extract, load, transform) are both data integration techniques that are used to transfer data from source systems to target systems. The main difference between ETL and...

2 Minutes

Amazon AWS Exams Azure and AWS Data Lakes as Data Warehouses Examples of Data Marts Microsoft Exams Reporting Techniques

Data Mart Architecture – Introduction

Roy Egbokhan 2023-02-07 0 Comment

Data Mart Architecture The architecture of a data mart can vary depending on the specific needs of the business unit or department it serves. However, some common elements are typically found in a data...

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