Databases

Basic information about EdgeDB.

Whether you're a novice or an experienced PostgreSQL administrator, this book has everything you need to take your database management skills to the next level and become a PostgreSQL expert.

An exploration of one of the most fundamental concepts in computer science: the NULL value. Learn how NULL can be used and how its misuse can lead to serious errors and vulnerabilities. Whether you're a seasoned programmer or just curious about the history & inner workings of computing, this is a must-read that'll deepen your understanding of NULL!

The eBook is suitable for anyone working as a developer, system administrator, or a DevOps engineer and wants to learn the basics of SQL.

Build real-world software by coding a Redis server from scratch.Network programming. The next level of programming is programming for multiple machines. Think HTTP servers, RPCs, databases, distributed systems.Data structures. Redis is the best example of applying data structures to real-world problems. Why stop at theoretical, textbook-level knowledge when you can learn from production software?Low-level C. C was, is, and will be widely used for systems programming and infrastructure software. It’s a gateway to many low-level projects.From scratch. A quote from Richard Feynman: “What I cannot create, I do not understand”. You should test your learning with real-world projects!

A visual guide for understanding Modern Data Pipelines Testing Techniques

Data Cleaning: The Ultimate Practical Guide is a guide to understanding what dirty data is, and how it gets into your dataset.This book will help you prevent most types of dirty data getting into your dataset, and clean out quickly and efficiently the remaining errors, so you can have clean, fit-for-purpose and analysis-ready data.

" Avaliação de sintomas clínicos categoria dos chatbots que atuam com avaliação de sintomas e indicações de melhores cuidados, possíveis diagnósticos. Atua na orientação de pacientes sobre os sintomas e possíveis ações quando o profissional de saúde não está disponível."

Hate calling yourself a "non-technical" founder or professional? Never again. The ultimate guide to thinking digitally and leading software companies.

Data warehousing helps improve the speed and efficiency of accessing different datasets for purposes such as reporting and analytics. for corporate decision makers. In this guide, you will learn the fundamentals concepts of data warehousing. This guide is in the form of hand-written notes and will provide your pointers for further study. Good luck!

This guidebook will introduce you to querying AD with PowerShell and using the CSVDE and LDIFDE command-line tools to find users, computers, and any other AD object you need.

A lot of developers and indie hackers have lost their ability to build and run their applications.Big tech and allegedly simple services promise a no-frills solution and make infrastructure seem impossible.It can be simple and cost-effective for small applications if you keep it simple. Kubernetes, clusters

Do you need to get your way around Teradata and do not have time? In this short, to-the-point book I can help you answer the most common questions I have encountered during my experience as a Teradata user and technical trainer.

Fastest and easiest way to design databases with MS-Access and SQL. Write extremely valuable queries with SQL. Find tips and tricks for MS-Access. Learn the advanced features and commands of MS-Access. Find useful SQL code models. Understand the concepts behind databases (relationships, indexing, Null, join, ...).

With rapid technological progress, it is no longer possible to store data on paper. Also, computer applications are will more complex these days. Database testing has established its trend in test automation. It is very important for a QA Engineer to understand and be able to interact with the database at both the manual and automated levels.