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INTRODUCTION TO JSON

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XML      What is XML? The Extensible Markup Language (XML) is  a simple text-based format for representing structured information: documents, data, configuration, books, transactions, invoices, and much more . It was derived from an older standard format called SGML (ISO 8879), in order to be more suitable for Web use JSON     Moving on to JSON , it is a text-based data format following JavaScript object syntax, which was popularized by Douglas Crockford  Even though it closely resembles JavaScript object literal syntax, it can be used independently from JavaScript, and many programming environments feature the ability to read (parse) and generate JSON.     I s a string whose format very much resembles JavaScript object literal format. You can include the same basic data types inside JSON as you can in a standard JavaScript object  strings, numbers, arrays, booleans, and other object literals. This allows you to construct a data hierarchy. AJAX   AJAX or " Asynchronous JavaScript

Intro to SQL [Module no. 4]

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 What is SQL? Have you ever heard of SQL? If not, then allow me to clarify. SQL or " Structured Query Language ",  is a standardized programming language that is used to manage relational databases and perform various operations on the data in them, it is honestly an easy language to learn . If you understand programming and already know some other languages, you can learn SQL in a few weeks. If you're a beginner, completely new to programming, it can take longer. Now for a bonus question, should you use SQL? Well it is  a better fit for heavy duty or complex transactions because it's more stable and ensure data integrity . You need to ensure ACID compliance. (Atomicity, Consistency, Isolation, Durability) or defining exactly how transactions interact with a database. You don't anticipate a lot of changes or growth, compared to python, the significant difference between SQL and Python is that  SQL is used to access and extract data from a database . At the same ti