![]() ![]() Express Tutorial: The Local Library website.Setting up a Node development environment.Express web framework (Node.js/JavaScript).Express Web Framework (node.js/JavaScript).Django Tutorial Part 11: Deploying Django to production.Django Tutorial Part 10: Testing a Django web application.Django Tutorial Part 9: Working with forms.Django Tutorial Part 8: User authentication and permissions.Django Tutorial Part 7: Sessions framework.Django Tutorial Part 6: Generic list and detail views.Django Tutorial Part 5: Creating our home page.Django Tutorial Part 4: Django admin site. ![]() Django Tutorial Part 2: Creating a skeleton website.Django Tutorial: The Local Library website.Setting up a Django development environment.Server-side website programming first steps.Setting up your own test automation environment.Building Angular applications and further resources.Advanced Svelte: Reactivity, lifecycle, accessibility.Dynamic behavior in Svelte: working with variables and props.Vue conditional rendering: editing existing todos.Adding a new todo form: Vue events, methods, and models.Ember Interactivity: Footer functionality, conditional rendering.Ember interactivity: Events, classes and state.Ember app structure and componentization.React interactivity: Editing, filtering, conditional rendering.Understanding client-side web development tools.MathML - Writing mathematics with MathML.Performance - Making websites fast and responsive.Assessment: Accessibility troubleshooting.CSS and JavaScript accessibility best practices.Accessibility - Make the web usable by everyone.CSS property compatibility table for form controls.Adding features to our bouncing balls demo.Making decisions in your code - conditionals.Basic math in JavaScript - numbers and operators.Storing the information you need - Variables.What went wrong? Troubleshooting JavaScript.JavaScript - Dynamic client-side scripting.Typesetting a community school homepage. ![]() HTML table advanced features and accessibility.From object to iframe - other embedding technologies.This means that two tables share the same primary key. It is necessary to "resolve" the many-to-many relationship between these tables for synonyms (that is, an element may have many synonyms, and the same synonym may apply to more than one element.Ī solid line indicates an identifying relationship. In the example above SYNONYM_GLOBAL is an intersection table between ELEMENT_GLOBAL and SCIENTIFIC_NAME. Instead, the primary key of one table becomes a foreign key in the other. This means that each table has its own unique identifier (primary key) and does not inherit it from the other table. Primary Foreign Key (PFK) - key which acts as primary key in more than one table which occurs in tables with an identifying relationship.Ī dashed line between tables indicates a non-identifying relationship.Alternate Keys (AK) - key associated with one or more columns whose values uniquely identify every row in the table, but which is not the primary key.Foreign keys (FK) - values match a primary or alternate key inherited from some other table.Primary key (PK) - value which uniquely identifies every row in the table. ![]()
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