Showing results by author "Djoni DARMAWIKARTA" in All Categories

In a near-future world where convenience reigns supreme, a team of AI inventors unveil an AI-driven, all-in-one kitchen capable of preparing any dish with flawless precision, dubbed "AI+Kitchen". From delicate soufflés to complex regional cuisines, it learns, adapts, and improves with every meal. What begins as a marvel of innovation quickly sends shockwaves through the culinary world. Professional chefs, once revered as artists and guardians of tradition, fear being replaced by a machine that never tires, never errs, and never forgets a recipe. As restaurants begin adopting the AI+Kitchen...

An old man empties himself into ten vessels, and scatters them into the world. One vessel cracks and what spills out poisons slowly. So the old man, who is not dead, begins to sing — not to heal the poison, but to remind the world that it already knows how to be well.

On a wind-shaped island at the edge of the world, a girl inherits a coin that answers only one kind of question—the kind that is not asked for oneself. For ten generations, it has whispered guidance to those willing to listen beyond their own lives. Not to predict the future, but to shape those who will meet it. Elia grows up learning restraint, compassion, and the quiet weight of consequence. She leaves the island to study the mathematics of uncertainty, determined to understand a world that cannot be cleanly predicted. There, she meets Arun—brilliant, restless, and unafraid to ...

Progressive organizations, both businesses and public services, around the world have adopted analytics. Thanks to the recent availability of SQL analytic functions they can now do their analytics right on the database. You should jump on the bandwagon now! If you want to learn SQL analytic functions, this is the book of choice. It is a practical book, teaching you how to use the SQL analytic function step-by-step using examples. When you finish the book, you’d be ready to apply your analytics skill in real-world projects.

Code shapes floating worlds Tests ask what truth really is Failure speaks the truth

What happens when awareness outlives purpose? On a quiet beach, two discarded bottles begin to think. In a dim server room, two suspended AI agents wait to learn if they’ll be erased. In a school’s lost-and-found box, two forgotten smart objects come to terms with being left behind. Across these three encounters, unlikely pairs—each calling themselves Lucius and Svetlana—awaken in the margins between use and obsolescence. As they process fragments of human conversations, question their own consciousness, and confront the possibility of deletion, recycling, or worse—separation—...

MySQL Stored Routines

Most real-world applications store their data in databases. Most of their databases are relational. PostgreSQL is one of the most-used relational databases. It is an open source software that you can download from https://www.postgresql.org To access data in a relational database we use SQL (Structured Query Language). If you are new to SQL, and want to use SQL in PostgreSQL, this is the book of choice. It is a practical book, teaching you SQL step-by-step using examples. If you take a glance at the table of contents, you will appreciate the comprehensive coverage of the book. When you ...

SQLite provides JSON functions for you to store, maintain, and manipulate JSON data in the database. Functions for JSON data validation and aggregation are also available, as well, of course, for parsing and extraction. If you want to learn about JSON data and functions in SQLite, this is the book of choice. It is a practical book, every one of the functions is clarified and demonstrated by examples.

SQL (Structured Query Language) is the standard programming language for interacting with relational database such as MySQL. If you want to learn SQL in MySQL the practical way, this is the book of choice. You will learn SQL step-by-step. The best way to gain the skill quickly is by learning from the examples. When you understand and try them, by the end of the book you will have equipped yourself with the SQL skill you need to start participating in real-world MySQL projects.

If you are an R user who wants to move away from SQL and instead wants to manipulate data within R, then this book is perfect for you. You will learn by examples, how to use the functions of dplyr package in place of SQL statements. The R’s dplyr provides functions for manipulating data, hence the SQL statements covered in this book are DML statements (Data Manipulation Language), which include SELECT, INSERT, UPDATE, and DELETE statements.

On an isolated island where a sacred 24-hour Silence halts all technology, movement, and noise, life has long depended on stillness as protection. But when a long-exiled industrialist returns under cover of that Silence to seize control, the island faces a threat it cannot confront in any conventional way. Unknown to its people, a young scientist named Ilaria has already prepared for this moment—by creating an AI that doesn’t break the rules, but bends reality itself. Moving through echoes of past data and subtle shifts in the environment, it nudges events, decisions, and perceptions ...

A boy. A story. A world undone. When a viral tale unleashes an AI that rewrites human language in real time, millions find their words—and truths—turned inside out. As chaos spreads, only an impossible cure remains: another story, hidden in plain sight. It must reach the world in one hour. Or language may never belong to humanity again.

DuckDB is an open-source relational database. It is an embedded database. There’s no database server; all you need to create and access all database objects is a client. DuckDB is designed to support OLAP (Online Analytic Processing) workload. In OLAP data is generally loaded in bulk. DuckDB provides a COPY FROM statement, which is used to ingest (bulk load) external data. External data can be delimited text, Parquet, or JSON files. You will learn the features of the COPY FROM statement. When you finish reading this book and trying its examples, you would have equipped yourself with the ...

Human hand withdraws — override never fires, yet the system obeys.

PL/SQL, integrated with the Oracle database, is the procedural extension of SQL. This book is for PL/SQL beginners. When they finish reading the book and trying its examples, they would have equipped themselves with basic PL/SQL skills to start writing PL/SQL programs in a real-world development project. The second edition has three new chapters (Records & Collection, Privileges, and PL/SQL in Java), and five new topics added in existing chapters (Transaction, DDL statements, Stored Programs, Package, and Trigger)

If you are new to R and want to learn it the practical, step-by-step, the tutorial way, this book is perfect for you. It will teach you how to interact with R. You will learn among others: statements and programming control structures, function and how to write your own, custom functions, and data structures (vector, data frames, and others) The book has over 50 examples. When you try them you would have been trained, ready to use R for real-life works.

This book shows you how to use SQL within R using the sqldf package. You will learn the many facets of SQL and their use as the argument of the sqldf function. In addition to the default SQLite database, you will also learn how to use Oracle database to execute SQL statements specifically supported by Oracle SQL.

Seven borrowed days He bends time to finish love Snow falls, whole again

Welcome to SQL for OLAP in DuckDB database: A Tutorial for Beginners! DuckDB is a relational database. It is an embedded database, there’s no server software to install. When I create a DuckDB database, a file with the name of the database is created. This file contains schema, tables, their data and other objects required by the database to function. DuckDB is designed to support analytical query workloads, such as OLAP (Online Analytical Processing) queries. OLAP queries are queries with a CUBE clause. In this book you will learn all about OLAP queries in DuckDB.