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Questions and Answers
What is the primary function of DDL commands in SQL?
What is the primary function of DDL commands in SQL?
What is the name of the standard that SQL follows?
What is the name of the standard that SQL follows?
What is the purpose of the Data Manipulation Language (DML) in SQL?
What is the purpose of the Data Manipulation Language (DML) in SQL?
What is the term for the language used to create and define the structure of a database?
What is the term for the language used to create and define the structure of a database?
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What is the command used to create new entities in SQL?
What is the command used to create new entities in SQL?
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What is the translation of the term Data Definition Language from English to Portuguese?
What is the translation of the term Data Definition Language from English to Portuguese?
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What is the result of successful DDL commands?
What is the result of successful DDL commands?
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What is phpMyAdmin used for?
What is phpMyAdmin used for?
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What has led to faster web page loading times?
What has led to faster web page loading times?
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What was the experience of internet users in the past?
What was the experience of internet users in the past?
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What is the primary purpose of DDL commands?
What is the primary purpose of DDL commands?
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What is the name of the tool used to access the phpMyAdmin?
What is the name of the tool used to access the phpMyAdmin?
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What was the original name of JavaScript?
What was the original name of JavaScript?
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Why was JavaScript named after Java?
Why was JavaScript named after Java?
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What is Node.js?
What is Node.js?
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Which company developed the Netscape browser?
Which company developed the Netscape browser?
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Why did Sun Microsystems support JavaScript?
Why did Sun Microsystems support JavaScript?
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What is a popular web browser that has various tools for learning JavaScript?
What is a popular web browser that has various tools for learning JavaScript?
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What is the operating system compatibility of the code editor mentioned?
What is the operating system compatibility of the code editor mentioned?
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What is the purpose of the 'var' instruction in JavaScript?
What is the purpose of the 'var' instruction in JavaScript?
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What is the characteristic of JavaScript's type system?
What is the characteristic of JavaScript's type system?
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What is the extension of the file created in the 'Hello World' example?
What is the extension of the file created in the 'Hello World' example?
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Where can you download the code editor mentioned?
Where can you download the code editor mentioned?
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What is the purpose of the YouTube link provided in the text?
What is the purpose of the YouTube link provided in the text?
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What characters are accepted when creating an identifier?
What characters are accepted when creating an identifier?
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What is the main feature of Notepad++?
What is the main feature of Notepad++?
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What is the primary function of XAMPP?
What is the primary function of XAMPP?
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What operating systems does Visual Studio Code support?
What operating systems does Visual Studio Code support?
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What is the advantage of Visual Studio Code for developers?
What is the advantage of Visual Studio Code for developers?
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What is the restriction when creating an identifier?
What is the restriction when creating an identifier?
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Study Notes
JavaScript History
- JavaScript was born out of the Netscape browser, during the browser war between Netscape and Microsoft (Internet Explorer).
- Initially, JavaScript was named Mocha and LiveScript, but Sun Microsystems (then the developer of Java) partnered with Netscape to promote JavaScript, using the Java name for marketing purposes.
JavaScript Capabilities
- JavaScript is implemented in all web browsers.
- It can be used with Node.js, a software that allows executing JavaScript code outside of a web browser.
Tools and Downloads
- Google Chrome is a recommended browser for learning, due to its various tools.
- Node.js is a multi-platform, open-source software that allows executing JavaScript code outside of a web browser.
- Notepad++ is a free, open-source code editor that supports multiple languages.
- XAMPP is a free, local development tool that functions as a server on your computer.
- Visual Studio Code is a popular, open-source code editor that supports multiple languages.
JavaScript Basics
- JavaScript is a dynamically typed language, meaning you don't need to specify the data type when declaring a variable.
- Variables can be declared using the 'var' keyword, followed by the identifier and optional initialization.
- JavaScript supports various data types, including primitive types.
SQL and Database Management
- SQL (Structured Query Language) is a programming language used to work with databases.
- SQL commands are divided into two main groups: DDL (Data Definition Language) and DML (Data Manipulation Language).
- DDL commands create the database structure, while DML commands manipulate the data within the database.
DDL and DML Commands
- DDL commands include CREATE, which is used to define new entities, such as tables, columns, and users.
- DML commands include INSERT, UPDATE, DELETE, and SELECT, which are used to manipulate data within the database.
Creating a Database with phpMyAdmin
- phpMyAdmin is a tool that can be used to create and manage databases.
- Using phpMyAdmin, you can create a new database, and the tool will generate and execute the necessary DDL commands automatically.
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Description
Test your knowledge of SQL basics, including Data Definition Language (DDL) and Data Manipulation Language (DML) commands. Learn how to utilize these essential commands to manage and manipulate data in a database.