## C++20 ♥ SQL John R Bandela, MD ## Overview SQL C++ Example Implementation techniques fixed_string meta_struct Parsing compile time strings into meta_structures  ## Overview SQL C++ Example Implementation Techniques https://github.com/google/cpp-from-the-sky-down/tree/master/meta_struct_20/cppcon_version ## SQL Probably the highest level mainstream HOPE YOU'RE HAPPY. AND I HOPE YOU'VE LEARNED TO SANITIZE YOUR DATABASE INPUTS. ## Avoiding SQL Injection Attacks SELECT orders.id, name, item, price, discount_code FROM orders JOIN customers ON

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pitfalls in Firebird SQL Paul Vinkenoog Version 1.2, 30 June 2020 ## Table of Contents 1. What is NULL? ..... 4 1.1. NULL as a default state ..... 4 2. NULL support in Firebird SQL ..... 6 2.1. Disallowing operations will render the entire expression NULL. This guide explores the behaviour of NULL in Firebird SQL, points out common pitfalls and shows you how to deal safely with expressions that contain NULL or reference to refresh your memory, go to the summary at the end of the guide. ## So — what is it? In SQL, NULL is not a value. It is a state indicating that an item's value is unknown or nonexistent.

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языку SQL CYБД Firebird 3.0 Firebird 3.0.4 8 августа 2018 — v.0051-1  Gold Sponsor ##### Руководство по языку SQL СУБД 1. Структура языка ..... 22 Общие сведения ..... 22 Подмножества SQL ..... 22 Диалекты SQL ..... 22 Действия при ошибках ..... 23 Основные сведения: операторы, предложения Особенности BLOB ..... 45 Массивы ..... 46 Специальные типы данных ..... 47 Тип данных SQL_NULL ..... 47 Преобразование типов данных ..... 49 Явное преобразование типов данных ..... 49