From 5fdb8fa5b9b80505e83da33aa158be5354dccd55 Mon Sep 17 00:00:00 2001
From: Uma Das <61022623+CodeWithUma@users.noreply.github.com>
Date: Sun, 18 Sep 2022 15:44:50 +0530
Subject: [PATCH] Backend Typos and Color Codes Fixed (#1783)

---
 .../roadmaps/101-backend/content/100-internet/readme.md   | 2 +-
 .../101-backend/content/101-basic-frontend/101-css.md     | 7 ++++---
 .../102-os-general-knowledge/100-terminal-usage.md        | 2 +-
 .../101-how-oss-work-in-general.md                        | 4 ++--
 .../104-basic-terminal-commands.md                        | 4 ++--
 .../101-backend/content/103-learn-a-language/102-java.md  | 4 ++--
 .../content/103-learn-a-language/103-csharp.md            | 6 +++---
 .../content/103-learn-a-language/105-javascript.md        | 2 +-
 .../content/103-learn-a-language/106-python.md            | 6 +++---
 .../101-backend/content/103-learn-a-language/107-ruby.md  | 2 +-
 .../104-version-control-systems/100-basic-usage-of-git.md | 2 +-
 .../content/104-version-control-systems/readme.md         | 2 +-
 .../content/105-repo-hosting-services/102-bitbucket.md    | 8 ++++----
 .../content/106-relational-databases/100-postgresql.md    | 2 +-
 .../content/106-relational-databases/101-mysql.md         | 4 ++--
 .../content/106-relational-databases/102-mariadb.md       | 6 +++---
 .../content/106-relational-databases/103-mssql.md         | 6 +++---
 .../content/106-relational-databases/104-oracle.md        | 2 +-
 .../content/106-relational-databases/readme.md            | 4 ++--
 .../content/107-nosql-databases/100-document-databases.md | 6 +++---
 .../content/108-more-about-databases/101-acid.md          | 3 ++-
 .../108-more-about-databases/103-n-plus-one-problem.md    | 2 +-
 .../content/108-more-about-databases/108-cap-theorem.md   | 2 +-
 23 files changed, 45 insertions(+), 43 deletions(-)

diff --git a/content/roadmaps/101-backend/content/100-internet/readme.md b/content/roadmaps/101-backend/content/100-internet/readme.md
index ef14a4d6e..6573fbf08 100644
--- a/content/roadmaps/101-backend/content/100-internet/readme.md
+++ b/content/roadmaps/101-backend/content/100-internet/readme.md
@@ -5,6 +5,6 @@ The Internet is a global network of computers connected to each other which comm
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.vox.com/2014/6/16/18076282/the-internet'>The Internet Explained</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='http://web.stanford.edu/class/msande91si/www-spr04/readings/week1/InternetWhitepaper.htm'>How Does the Internet Work?</BadgeLink>
-<BadgeLink badgeText='Watch' href='/guides/what-is-internet'>Introduction to Internet</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='/guides/what-is-internet'>Introduction to Internet</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=x3c1ih2NJEg'>How does the Internet work?</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=7_LPdttKXPc'>How the Internet Works in 5 Minutes</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/101-basic-frontend/101-css.md b/content/roadmaps/101-backend/content/101-basic-frontend/101-css.md
index 062019ea9..b99f0da72 100644
--- a/content/roadmaps/101-backend/content/101-basic-frontend/101-css.md
+++ b/content/roadmaps/101-backend/content/101-basic-frontend/101-css.md
@@ -6,9 +6,10 @@ CSS or Cascading Style Sheets is the language used to style the frontend of any
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/css/'>W3Schools — Learn CSS</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.freecodecamp.org/learn/responsive-web-design/'>freeCodeCamp — Responsive Web Design</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://learn.shayhowe.com/html-css/building-your-first-web-page/'>Learn to Code HTML & CSS</BadgeLink>
-<BadgeLink colorScheme='green' badgeText='Course' href='https://www.youtube.com/watch?v=yfoY53QXEnI'>CSS Crash Course For Absolute Beginners</BadgeLink>
-<BadgeLink colorScheme='green' badgeText='Course' href='https://www.youtube.com/watch?v=D-h8L5hgW-w'>HTML and CSS Tutorial</BadgeLink>
-<BadgeLink colorScheme='green' badgeText='Course' href='https://www.youtube.com/watch?v=FqmB-Zj2-PA'>CSS Masterclass - Tutorial & Course for Beginners</BadgeLink>
 <BadgeLink colorScheme='green' badgeText='Course' href='https://flexbox.io/'>What The Flexbox!</BadgeLink>
 <BadgeLink colorScheme='green' badgeText='Course' href='https://www.codecademy.com/learn/learn-css'>Learn CSS | Codecademy</BadgeLink>
 <BadgeLink colorScheme='green' badgeText='Course' href='https://www.codecademy.com/learn/learn-intermediate-css'>Learn Intermediate CSS | Codecademy</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=yfoY53QXEnI'>CSS Crash Course For Absolute Beginners</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=D-h8L5hgW-w'>HTML and CSS Tutorial</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=FqmB-Zj2-PA'>CSS Masterclass - Tutorial & Course for Beginners</BadgeLink>
+
diff --git a/content/roadmaps/101-backend/content/102-os-general-knowledge/100-terminal-usage.md b/content/roadmaps/101-backend/content/102-os-general-knowledge/100-terminal-usage.md
index 91c19ea12..e76eecd53 100644
--- a/content/roadmaps/101-backend/content/102-os-general-knowledge/100-terminal-usage.md
+++ b/content/roadmaps/101-backend/content/102-os-general-knowledge/100-terminal-usage.md
@@ -3,4 +3,4 @@
 Terminals, also known as command lines or consoles, allow us to accomplish and automate tasks on a computer without the use of a graphical user interface.
 
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Learn/Tools_and_testing/Understanding_client-side_tools/Command_line'>Command line crash course</BadgeLink>
-<BadgeLink colorScheme='green' badgeText='Course' href='https://www.youtube.com/watch?v=jDINUSK7rXE'>Basic Terminal Usage - Cheat Sheet to make the command line EASY</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=jDINUSK7rXE'>Basic Terminal Usage - Cheat Sheet to make the command line EASY</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/102-os-general-knowledge/101-how-oss-work-in-general.md b/content/roadmaps/101-backend/content/102-os-general-knowledge/101-how-oss-work-in-general.md
index 7667a5215..9c924f05e 100644
--- a/content/roadmaps/101-backend/content/102-os-general-knowledge/101-how-oss-work-in-general.md
+++ b/content/roadmaps/101-backend/content/102-os-general-knowledge/101-how-oss-work-in-general.md
@@ -4,5 +4,5 @@ An operating system is a main program on computer, that governs all other applic
 
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.tutorialspoint.com/operating_system/os_overview.htm'>Operating System - Overview</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://infinite.education/view/how_oss_work_in_general'>How OSs work in general</BadgeLink>
-<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=9GDX-IyZ_C8'>Operating System Basics </BadgeLink>
-<BadgeLink badgeText='Yellow' href='https://codex.cs.yale.edu/avi/os-book/OS10/index.html'>Operating System Concepts</BadgeLink>
\ No newline at end of file
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://codex.cs.yale.edu/avi/os-book/OS10/index.html'>Operating System Concepts</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=9GDX-IyZ_C8'>Operating System Basics </BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/101-backend/content/102-os-general-knowledge/104-basic-terminal-commands.md b/content/roadmaps/101-backend/content/102-os-general-knowledge/104-basic-terminal-commands.md
index 1b719ee0a..5a7eb460e 100644
--- a/content/roadmaps/101-backend/content/102-os-general-knowledge/104-basic-terminal-commands.md
+++ b/content/roadmaps/101-backend/content/102-os-general-knowledge/104-basic-terminal-commands.md
@@ -9,7 +9,7 @@ To understand these commands, read through the manual pages by using `man` comma
 After enough exposure and practice to these commands, it will become easier to use these in practice
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
-<BadgeLink badgeText='Course' colorScheme='green' href='https://www.learnenough.com/command-line-tutorial'>Command Line Tutorial</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.hostinger.com/tutorials/linux-commands'>34 Basic Linux Commands</BadgeLink>
-<BadgeLink colorScheme='purple' badgeText='Challenge' href='https://cmdchallenge.com/'>Commandline Challenge</BadgeLink>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://www.learnenough.com/command-line-tutorial'>Command Line Tutorial</BadgeLink>
+<BadgeLink colorScheme='green' badgeText='Challenge' href='https://cmdchallenge.com/'>Commandline Challenge</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=ZtqBQ68cfJc'>The 50 Most Popular Linux & Terminal Commands (with timestamps)</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/103-learn-a-language/102-java.md b/content/roadmaps/101-backend/content/103-learn-a-language/102-java.md
index 7eaba295b..d94d0f13a 100644
--- a/content/roadmaps/101-backend/content/103-learn-a-language/102-java.md
+++ b/content/roadmaps/101-backend/content/103-learn-a-language/102-java.md
@@ -11,6 +11,6 @@ It was created in 1995 by James Gosling at Sun Microsystems and is one of the mo
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
 <BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.java.com/'>Java Website</BadgeLink>
-<BadgeLink colorScheme='green' badgeText='Learn' href='https://www.codecademy.com/learn/learn-java'>Codeacademy - Free Course</BadgeLink>
-<BadgeLink colorScheme='green' badgeText='Learn' href='https://www.w3schools.com/java/'>W3 Schools Tutorials</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.codecademy.com/learn/learn-java'>Codeacademy - Free Course</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/java/'>W3 Schools Tutorials</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=eIrMbAQSU34'>Java Crash Course</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/103-learn-a-language/103-csharp.md b/content/roadmaps/101-backend/content/103-learn-a-language/103-csharp.md
index aa272829d..63c3f18e2 100644
--- a/content/roadmaps/101-backend/content/103-learn-a-language/103-csharp.md
+++ b/content/roadmaps/101-backend/content/103-learn-a-language/103-csharp.md
@@ -2,7 +2,7 @@
 C# (pronounced "C sharp") is a general purpose programming language made by Microsoft. It is used to perform different tasks and can be used to create web apps, games, mobile apps, etc.
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
-<BadgeLink colorScheme='purple' badgeText='Learn' href='https://docs.microsoft.com/en-us/learn/paths/csharp-first-steps/?WT.mc_id=dotnet-35129-website'>C# Learning Path</BadgeLink>
-<BadgeLink colorScheme='purple' badgeText='Learn' href='https://www.w3schools.com/cs/index.php'>C# on W3 schools</BadgeLink>
-<BadgeLink badgeText='Watch' href='https://docs.microsoft.com/en-us/shows/CSharp-101/?WT.mc_id=Educationalcsharp-c9-scottha'>Introduction to C#</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://docs.microsoft.com/en-us/learn/paths/csharp-first-steps/?WT.mc_id=dotnet-35129-website'>C# Learning Path</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/cs/index.php'>C# on W3 schools</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://docs.microsoft.com/en-us/shows/CSharp-101/?WT.mc_id=Educationalcsharp-c9-scottha'>Introduction to C#</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=gfkTfcpWqAY&list=PLTjRvDozrdlz3_FPXwb6lX_HoGXa09Yef'>C# tutorials</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/103-learn-a-language/105-javascript.md b/content/roadmaps/101-backend/content/103-learn-a-language/105-javascript.md
index 8ca2cab7e..6ed5fcaeb 100644
--- a/content/roadmaps/101-backend/content/103-learn-a-language/105-javascript.md
+++ b/content/roadmaps/101-backend/content/103-learn-a-language/105-javascript.md
@@ -14,8 +14,8 @@ JavaScript, often abbreviated JS, is a programming language that is one of the c
 <BadgeLink badgeText='Read' colorScheme="yellow" href='https://www.w3schools.com/js/'>W3Schools – JavaScript Tutorial</BadgeLink>
 <BadgeLink badgeText='Read' colorScheme="yellow" href='https://javascript.info/'>The Modern JavaScript Tutorial</BadgeLink>
 <BadgeLink badgeText='Read' colorScheme='yellow' href='https://eloquentjavascript.net/'>Eloquent Javascript - Book</BadgeLink>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://www.codecademy.com/learn/introduction-to-javascript'>Codecademy - Learn JavaScript</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://youtu.be/hdI2bqOjy3c'>JavaScript Crash Course for Beginners</BadgeLink>
 
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=fBNz5xF-Kx4'>Node.js Crash Course</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=TlB_eWDSMt4'>Node.js Tutorial for Beginners</BadgeLink>
-<BadgeLink badgeText='Course' colorScheme='green' href='https://www.codecademy.com/learn/introduction-to-javascript'>Codecademy - Learn JavaScript</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/103-learn-a-language/106-python.md b/content/roadmaps/101-backend/content/103-learn-a-language/106-python.md
index b0d34862c..1b923f673 100644
--- a/content/roadmaps/101-backend/content/103-learn-a-language/106-python.md
+++ b/content/roadmaps/101-backend/content/103-learn-a-language/106-python.md
@@ -9,9 +9,9 @@
 Python is a well known programming language which is both a strongly typed and a dynamically typed language. Being an interpreted language, code is executed as soon as it is written and the Python syntax allows for writing code in functional, procedureal or object-oriented programmatic ways.
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
-<BadgeLink colorScheme='blue' badgeText='Python Website' href='https://www.python.org/'>Python Website</BadgeLink>
-<BadgeLink colorScheme='blue' badgeText='Read' href='https://www.python.org/about/gettingstarted/'>Python Getting Started</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.python.org/'>Python Website</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.python.org/about/gettingstarted/'>Python Getting Started</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://automatetheboringstuff.com/'>Automate the Boring Stuff</BadgeLink>
 <BadgeLink badgeText='Course' colorScheme='green' href='https://www.w3schools.com/python/'>W3Schools - Python Tutorial </BadgeLink>
 <BadgeLink badgeText='Course' colorScheme='green' href='https://ehmatthes.github.io/pcc/'>Python Crash Course</BadgeLink>
-<BadgeLink colorScheme='blue' badgeText='Read' href='https://automatetheboringstuff.com/'>Automate the Boring Stuff</BadgeLink>
 <BadgeLink badgeText='Course' colorScheme='green' href='https://www.codecademy.com/learn/learn-python'>Codecademy - Learn Python 2</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/103-learn-a-language/107-ruby.md b/content/roadmaps/101-backend/content/103-learn-a-language/107-ruby.md
index 651bc592e..8c8caf6fe 100644
--- a/content/roadmaps/101-backend/content/103-learn-a-language/107-ruby.md
+++ b/content/roadmaps/101-backend/content/103-learn-a-language/107-ruby.md
@@ -3,6 +3,6 @@
 Ruby is a high-level, interpreted programming language that blends Perl, Smalltalk, Eiffel, Ada, and Lisp. Ruby focuses on simplicity and productivity along with a syntax that reads and writes naturally. Ruby supports procedural, object-oriented and functional programming and is dynamically typed.
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
-<BadgeLink colorScheme='blue' badgeText='Ruby Website' href='https://www.ruby-lang.org/en/'>Ruby Website</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.ruby-lang.org/en/'>Ruby Website</BadgeLink>
 <BadgeLink badgeText='Course' colorScheme='green' href='https://www.ruby-lang.org/en/documentation/quickstart/'>Learn Ruby in 20 minutes</BadgeLink>
 <BadgeLink badgeText='Course' colorScheme='green' href='https://www.codecademy.com/learn/learn-ruby'>Learn Ruby | Codecademy</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/104-version-control-systems/100-basic-usage-of-git.md b/content/roadmaps/101-backend/content/104-version-control-systems/100-basic-usage-of-git.md
index e6ec03032..f7f276bfe 100644
--- a/content/roadmaps/101-backend/content/104-version-control-systems/100-basic-usage-of-git.md
+++ b/content/roadmaps/101-backend/content/104-version-control-systems/100-basic-usage-of-git.md
@@ -3,7 +3,7 @@
 [Git](https://git-scm.com/) is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://github.com/jlord/git-it-electron'>Learn Git on the command line</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=zbKdDsNNOhg'>Version Control System Introduction</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=SWYqp7iY_Tc'>Git & GitHub Crash Course For Beginners</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://youtu.be/Y9XZQO1n_7c?t=21'>Learn Git in 20 Minutes</BadgeLink>
-<BadgeLink badgeText='Course' colorScheme='green' href='https://github.com/jlord/git-it-electron'>Learn Git on the command line</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/104-version-control-systems/readme.md b/content/roadmaps/101-backend/content/104-version-control-systems/readme.md
index 3e9bee47d..46cc3679b 100644
--- a/content/roadmaps/101-backend/content/104-version-control-systems/readme.md
+++ b/content/roadmaps/101-backend/content/104-version-control-systems/readme.md
@@ -5,5 +5,5 @@ Version control/source control systems allow developers to track and control cha
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
 <BadgeLink colorScheme='blue' badgeText='Official Website' href='https://git-scm.com/'>Git</BadgeLink>
-<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.mercurial-scm.org/'>Mercurial</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.mercurial-scm.org/'>Mercurial</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.atlassian.com/git/tutorials/what-is-version-control'>What is Version Control?</BadgeLink>
\ No newline at end of file
diff --git a/content/roadmaps/101-backend/content/105-repo-hosting-services/102-bitbucket.md b/content/roadmaps/101-backend/content/105-repo-hosting-services/102-bitbucket.md
index e5de098c2..36286623d 100644
--- a/content/roadmaps/101-backend/content/105-repo-hosting-services/102-bitbucket.md
+++ b/content/roadmaps/101-backend/content/105-repo-hosting-services/102-bitbucket.md
@@ -5,9 +5,9 @@ Bitbucket is a Git based hosting and source code repository service that is Atla
 Bitbucket offers hosting options via Bitbucket Cloud (Atlassian's servers), Bitbucket Server (customer's on-premise) or Bitbucket Data Centre (number of servers in customers on-premise or cloud environment)
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
-<BadgeLink colorScheme='blue' badgeText='Bitbucket Website' href='https://bitbucket.org/product'>Bitbucket Website</BadgeLink>
-<BadgeLink colorScheme='blue' badgeText='Read' href='https://bitbucket.org/product/guides/getting-started/overview#a-brief-overview-of-bitbucket'>A brief overview of Bitbucket</BadgeLink>
-<BadgeLink badgeText='Guide' colorScheme='green' href='https://bitbucket.org/product/guides/basics/bitbucket-interface'>Getting started with Bitbucket</BadgeLink>
-<BadgeLink badgeText='Guide' colorScheme='green' href='https://www.atlassian.com/git/tutorials/learn-git-with-bitbucket-cloud'>Using Git with Bitbucket Cloud</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://bitbucket.org/product'>Bitbucket Website</BadgeLink>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://bitbucket.org/product/guides/basics/bitbucket-interface'>Getting started with Bitbucket</BadgeLink>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://www.atlassian.com/git/tutorials/learn-git-with-bitbucket-cloud'>Using Git with Bitbucket Cloud</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://bitbucket.org/product/guides/getting-started/overview#a-brief-overview-of-bitbucket'>A brief overview of Bitbucket</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=M44nEyd_5To'>Bitbucket tutorial | How to use Bitbucket Cloud</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=i5T-DB8tb4A'>Bitbucket Tutorial | Bitbucket for Beginners</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/106-relational-databases/100-postgresql.md b/content/roadmaps/101-backend/content/106-relational-databases/100-postgresql.md
index 495e8a4ed..631c4bbfd 100644
--- a/content/roadmaps/101-backend/content/106-relational-databases/100-postgresql.md
+++ b/content/roadmaps/101-backend/content/106-relational-databases/100-postgresql.md
@@ -9,7 +9,7 @@
 PostgreSQL, also known as Postgres, is a free and open-source relational database management system emphasizing extensibility and SQL compliance.
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
-<BadgeLink badgeText='Official Website' colorScheme="red" href='https://www.postgresql.org/'>Official Website</BadgeLink>
+<BadgeLink badgeText='Official Website' colorScheme="blue" href='https://www.postgresql.org/'>Official Website</BadgeLink>
 <BadgeLink badgeText='Read' colorScheme="yellow" href='https://www.geeksforgeeks.org/what-is-postgresql-introduction/'>What is PostgreSQL</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=qw--VYLpxG4'>Learn PostgreSQL Tutorial - Full Course for Beginners</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=eMIxuk0nOkU'>Postgres tutorial for Beginners</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/106-relational-databases/101-mysql.md b/content/roadmaps/101-backend/content/106-relational-databases/101-mysql.md
index 51a250472..8b1ceacdf 100644
--- a/content/roadmaps/101-backend/content/106-relational-databases/101-mysql.md
+++ b/content/roadmaps/101-backend/content/106-relational-databases/101-mysql.md
@@ -3,6 +3,6 @@
 MySQL is an incredibly popular open source relational database management system (RDBMS). MySQL can be used as a stand-alone client or in conjunction with other services to provide database connectivity. The **M** in LAMP stack stands for MySQL; that alone should provide an idea of its prevalence.
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
-<BadgeLink colorScheme='blue' badgeText='MySQL Website' href='https://www.mysql.com/'>MySQL website</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.mysql.com/'>MySQL website</BadgeLink>
 <BadgeLink badgeText='Course' colorScheme='green' href='https://www.w3schools.com/mySQl/default.asp'>W3Schools - MySQL tutorial </BadgeLink>
-<BadgeLink badgeText='Course' colorScheme='green' href='https://www.youtube.com/watch?v=7S_tz1z_5bA'>MySQL tutorial for beginners</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=7S_tz1z_5bA'>MySQL tutorial for beginners</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/106-relational-databases/102-mariadb.md b/content/roadmaps/101-backend/content/106-relational-databases/102-mariadb.md
index dcd6c214e..390b55809 100644
--- a/content/roadmaps/101-backend/content/106-relational-databases/102-mariadb.md
+++ b/content/roadmaps/101-backend/content/106-relational-databases/102-mariadb.md
@@ -3,7 +3,7 @@
 MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry. MariaDB was created with the intention of being a more versatile, drop-in replacement version of MySQL
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
-<BadgeLink colorScheme='blue' badgeText='MariaDB Website' href='https://mariadb.org/'>MariaDB website</BadgeLink>
-<BadgeLink colorScheme='blue' badgeText='Read' href='https://www.guru99.com/mariadb-vs-mysql.html'>MariaDB vs MySQL</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://mariadb.org/'>MariaDB website</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.guru99.com/mariadb-vs-mysql.html'>MariaDB vs MySQL</BadgeLink>
 <BadgeLink badgeText='Course' colorScheme='green' href='https://www.w3schools.blog/mariadb-tutorial'>W3Schools - MariaDB tutorial </BadgeLink>
-<BadgeLink badgeText='Course' colorScheme='green' href='https://www.youtube.com/watch?v=_AMj02sANpI'>MariaDB Tutorial For Beginners in One Hour</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=_AMj02sANpI'>MariaDB Tutorial For Beginners in One Hour</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/106-relational-databases/103-mssql.md b/content/roadmaps/101-backend/content/106-relational-databases/103-mssql.md
index a983174f4..b64597221 100644
--- a/content/roadmaps/101-backend/content/106-relational-databases/103-mssql.md
+++ b/content/roadmaps/101-backend/content/106-relational-databases/103-mssql.md
@@ -3,6 +3,6 @@
 MS SQL (or Microsoft SQL Server) is the Microsoft developed relational database management system (RDBMS). MS SQL uses the T-SQL (Transact-SQL) query language to interact with the relational databases. There are many different versions and editions available of MS SQL
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
-<BadgeLink colorScheme='blue' badgeText='MS SQL Website' href='https://www.microsoft.com/en-ca/sql-server/'>MS SQL website</BadgeLink>
-<BadgeLink badgeText='Tutorial' colorScheme='green' href='https://docs.microsoft.com/en-us/sql/sql-server/tutorials-for-sql-server-2016?view=sql-server-ver15'>Tutorials for SQL Server</BadgeLink>
-<BadgeLink badgeText='Course' colorScheme='green' href='https://www.youtube.com/watch?v=-EPMOaV7h_Q'>SQL Server tutorial for beginners</BadgeLink>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://www.microsoft.com/en-ca/sql-server/'>MS SQL website</BadgeLink>
+<BadgeLink badgeText='Course' colorScheme='green' href='https://docs.microsoft.com/en-us/sql/sql-server/tutorials-for-sql-server-2016?view=sql-server-ver15'>Tutorials for SQL Server</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=-EPMOaV7h_Q'>SQL Server tutorial for beginners</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/106-relational-databases/104-oracle.md b/content/roadmaps/101-backend/content/106-relational-databases/104-oracle.md
index 193394aee..7c227f5b0 100644
--- a/content/roadmaps/101-backend/content/106-relational-databases/104-oracle.md
+++ b/content/roadmaps/101-backend/content/106-relational-databases/104-oracle.md
@@ -3,6 +3,6 @@
 Oracle Database Server or sometimes called Oracle RDBMS or even simply Oracle is a world leading relational database management system produced by Oracle Corporation.
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
-<BadgeLink badgeText='Official Website' colorScheme="purple" href='https://www.oracle.com/database/'>Official Website</BadgeLink>
+<BadgeLink badgeText='Official Website' colorScheme="blue" href='https://www.oracle.com/database/'>Official Website</BadgeLink>
 <BadgeLink badgeText='Read' colorScheme="yellow" href='https://docs.oracle.com/en/database/index.html'>Official Docs</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=ObbNGhcxXJA'>Oracle SQL Tutorial for Beginners</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/106-relational-databases/readme.md b/content/roadmaps/101-backend/content/106-relational-databases/readme.md
index 601f0904d..30c53bfae 100644
--- a/content/roadmaps/101-backend/content/106-relational-databases/readme.md
+++ b/content/roadmaps/101-backend/content/106-relational-databases/readme.md
@@ -5,6 +5,6 @@ A relational database is **a type of database that stores and provides access to
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.ibm.com/cloud/learn/relational-databases'>Relational Databases</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://learnsql.com/blog/codd-article-databases/'>51 Years of Relational Databases</BadgeLink>
-<BadgeLink badgeText='Watch' href='https://www.edx.org/course/databases-5-sql'>Databases and SQL</BadgeLink>
-<BadgeLink badgeText='Watch' href='https://www.udacity.com/course/intro-to-relational-databases--ud197'>Intro To Relational Databases</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.edx.org/course/databases-5-sql'>Databases and SQL</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.udacity.com/course/intro-to-relational-databases--ud197'>Intro To Relational Databases</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://youtu.be/OqjJjpjDRLc'>What is Relational Database</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/107-nosql-databases/100-document-databases.md b/content/roadmaps/101-backend/content/107-nosql-databases/100-document-databases.md
index 4159b7567..b50df5d3d 100644
--- a/content/roadmaps/101-backend/content/107-nosql-databases/100-document-databases.md
+++ b/content/roadmaps/101-backend/content/107-nosql-databases/100-document-databases.md
@@ -8,8 +8,8 @@ MongoDB is a source-available cross-platform document-oriented database program.
 
 <BadgeLink badgeText='Official Website' colorScheme='blue' href='https://www.mongodb.com/'>MongoDB Website</BadgeLink>
 <BadgeLink badgeText='Official Documentation' colorScheme='blue' href='https://docs.mongodb.com/'>MongoDB Documentation</BadgeLink>
-<BadgeLink badgeText='Official Courses' href='https://university.mongodb.com/learning_paths/developer'>Learning Path for MongoDB Developers</BadgeLink>
-<BadgeLink badgeText='Sandbox' href='https://mongoplayground.net/'>MongoDB Online Sandbox</BadgeLink>
+<BadgeLink badgeText='Courses' colorScheme='green' href='https://university.mongodb.com/learning_paths/developer'>Learning Path for MongoDB Developers</BadgeLink>
+<BadgeLink badgeText='Sandbox' colorScheme='yellow' href='https://mongoplayground.net/'>MongoDB Online Sandbox</BadgeLink>
 
 ## DynamoDB
 
@@ -18,4 +18,4 @@ DynamoDB is a fully managed proprietary NoSQL database service that supports key
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
 
 <BadgeLink badgeText='Official Website' colorScheme='blue' href='https://docs.aws.amazon.com/dynamodb/index.html'>Dynamo DB Docs</BadgeLink>
-<BadgeLink badgeText='Develpers Guide' href='https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Introduction.html'>Official Developers Guide</BadgeLink>
+<BadgeLink badgeText='Develpers Guide' colorScheme='blue' href='https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Introduction.html'>Official Developers Guide</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/108-more-about-databases/101-acid.md b/content/roadmaps/101-backend/content/108-more-about-databases/101-acid.md
index de97e2741..d44cba400 100644
--- a/content/roadmaps/101-backend/content/108-more-about-databases/101-acid.md
+++ b/content/roadmaps/101-backend/content/108-more-about-databases/101-acid.md
@@ -3,5 +3,6 @@
 ACID are the four properties of any database system that help in making sure that we are able to perform the transactions in a reliable manner. It's an acronym which refers to the presence of four properties: atomicity, consistency, isolation and durability 
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://retool.com/blog/whats-an-acid-compliant-database/'>What is ACID Compliant Database?</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://fauna.com/blog/what-is-acid-compliance-atomicity-consistency-isolation'>What is ACID Compliance?: Atomicity, Consistency, Isolation</BadgeLink>
 <BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=yaQ5YMWkxq4'>ACID Explained: Atomic, Consistent, Isolated & Durable</BadgeLink>
-<BadgeLink badgeText='Read' colorScheme='yellow' href='https://retool.com/blog/whats-an-acid-compliant-database/'>What is ACID Compliant Database?</BadgeLink><BadgeLink badgeText='Read' colorScheme='yellow' href='https://fauna.com/blog/what-is-acid-compliance-atomicity-consistency-isolation'>What is ACID Compliance?: Atomicity, Consistency, Isolation</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/108-more-about-databases/103-n-plus-one-problem.md b/content/roadmaps/101-backend/content/108-more-about-databases/103-n-plus-one-problem.md
index 34e34b4dc..3b02ec58a 100644
--- a/content/roadmaps/101-backend/content/108-more-about-databases/103-n-plus-one-problem.md
+++ b/content/roadmaps/101-backend/content/108-more-about-databases/103-n-plus-one-problem.md
@@ -3,4 +3,4 @@
 The N+1 query problem happens when your code executes N additional query statements to fetch the same data that could have been retrieved when executing the primary query.
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
-<BadgeLink colorScheme='yellow' badgeText='READ' href='https://medium.com/doctolib/understanding-and-fixing-n-1-query-30623109fe89'>In Detail Explanation of N+1 Problem</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://medium.com/doctolib/understanding-and-fixing-n-1-query-30623109fe89'>In Detail Explanation of N+1 Problem</BadgeLink>
diff --git a/content/roadmaps/101-backend/content/108-more-about-databases/108-cap-theorem.md b/content/roadmaps/101-backend/content/108-more-about-databases/108-cap-theorem.md
index 3fa66cdaf..7f7a22712 100644
--- a/content/roadmaps/101-backend/content/108-more-about-databases/108-cap-theorem.md
+++ b/content/roadmaps/101-backend/content/108-more-about-databases/108-cap-theorem.md
@@ -3,8 +3,8 @@
 CAP is an acronym that stands for Consistency, Availability and Partition Tolerance. According to CAP theorem, any distributed system can only guarantee two of the three properties at any point of time. You can't guarantee all three properties at once.
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
-<BadgeLink colorScheme='purple' badgeText='Watch' href='https://www.youtube.com/watch?v=_RbsFXWRZ10'>What is CAP Theorem?</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.bmc.com/blogs/cap-theorem/'>What is CAP Theorem?</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://en.wikipedia.org/wiki/CAP_theorem'>CAP Theorem - Wikipedia</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://mwhittaker.github.io/blog/an_illustrated_proof_of_the_cap_theorem/'>An Illustrated Proof of the CAP Theorem</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.ibm.com/uk-en/cloud/learn/cap-theorem'>CAP Theorem and it's applications in NoSQL Databases</BadgeLink>
+<BadgeLink colorScheme='purple' badgeText='Watch' href='https://www.youtube.com/watch?v=_RbsFXWRZ10'>What is CAP Theorem?</BadgeLink>