Mario Castro

Mario Castro

Member Since November 19, 2016
Open to Work

5,369

Total Points

Points are earned whenever you take an important action on Treehouse.
Learn more about when and how points are earned.

Skills & Experience

  • Spoken Languages

    • Spanish
    • English

61 Achievements

  • Achievement

    Design a Better App

    Build a JavaFX Application

    Achieved

    Oct 14, 2018

    Design a Better App
  • Achievement

    Going Further with HTML

    HTML Basics

    Achieved

    Oct 7, 2018

    Going Further with HTML
  • Achievement

    Functions and Looping

    Python Basics

    Achieved

    Oct 5, 2018

    Functions and Looping
  • Achievement

    Advanced Tooling

    Local Development Environments

    Achieved

    Sep 28, 2018

    Advanced Tooling
  • Achievement

    Perform

    C# Basics (Retired)

    Achieved

    Sep 16, 2018

    Perform
  • Achievement

    Day 3: Getting Creative

    SQL Reporting by Example

    Achieved

    Sep 13, 2018

    Day 3: Getting Creative
  • Achievement

    Images, Text and Links

    HTML Basics

    Achieved

    Sep 13, 2018

    Images, Text and Links
  • Achievement

    Playing a Counting Game

    Introduction to Algorithms

    Achieved

    Sep 12, 2018

    Playing a Counting Game
  • Achievement

    Day 2: Advanced Selecting

    SQL Reporting by Example

    Achieved

    Sep 2, 2018

    Day 2: Advanced Selecting
  • Achievement

    Types and Branching

    Python Basics

    Achieved

    Sep 1, 2018

    Types and Branching
  • Achievement

    Gotchas and Wins

    Java Arrays

    Achieved

    Aug 31, 2018

    Gotchas and Wins
  • Achievement

    Structuring Your Content

    HTML Basics

    Achieved

    Aug 29, 2018

    Structuring Your Content
  • Achievement

    Iteration

    Java Arrays

    Achieved

    Aug 27, 2018

    Iteration
  • Achievement

    Console I/O

    C# Basics (Retired)

    Achieved

    Aug 27, 2018

    Console I/O
  • Achievement

    Day 1: Joining Tables

    SQL Reporting by Example

    Achieved

    Aug 27, 2018

    Day 1: Joining Tables
  • Achievement

    Getting Started With HTML

    HTML Basics

    Achieved

    Aug 20, 2018

    Getting Started With HTML
  • Achievement

    Meet Python

    Python Basics

    Achieved

    Aug 20, 2018

    Meet Python
  • Achievement

    Creation

    Java Arrays

    Achieved

    Aug 16, 2018

    Creation
  • Achievement

    Orientation: Selecting Data

    SQL Reporting by Example

    Achieved

    Aug 16, 2018

    Orientation: Selecting Data
  • Achievement

    Prepare and Plan

    C# Basics (Retired)

    Achieved

    Aug 16, 2018

    Prepare and Plan
  • Achievement

    Subqueries

    Querying Relational Databases

    Achieved

    Dec 10, 2017

    Subqueries
  • Achievement

    Set Operations

    Querying Relational Databases

    Achieved

    Dec 10, 2017

    Set Operations
  • Achievement

    Joining Table Data with SQL

    Querying Relational Databases

    Achieved

    Dec 9, 2017

    Joining Table Data with SQL
  • Achievement

    Table Relationships

    Querying Relational Databases

    Achieved

    Dec 6, 2017

    Table Relationships
  • Achievement

    Database Keys

    Querying Relational Databases

    Achieved

    Dec 6, 2017

    Database Keys
  • Achievement

    Database Normalization

    Querying Relational Databases

    Achieved

    Dec 5, 2017

    Database Normalization
  • Achievement

    Date and Time Functions

    Reporting with SQL

    Achieved

    Dec 5, 2017

    Date and Time Functions
  • Achievement

    Aggregate and Numeric Functions

    Reporting with SQL

    Achieved

    Dec 3, 2017

    Aggregate and Numeric Functions
  • Achievement

    Working with Text

    Reporting with SQL

    Achieved

    Nov 18, 2017

    Working with Text
  • Achievement

    Ordering, Limiting and Paging Results

    Reporting with SQL

    Achieved

    Nov 12, 2017

    Ordering, Limiting and Paging Results
  • Achievement

    Handling Errors When Manipulating Data

    Modifying Data with SQL

    Achieved

    Oct 16, 2017

    Handling Errors When Manipulating Data
  • Achievement

    Deleting Data from a Database

    Modifying Data with SQL

    Achieved

    Oct 15, 2017

    Deleting Data from a Database
  • Achievement

    Updating Data in a Database

    Modifying Data with SQL

    Achieved

    Sep 24, 2017

    Updating Data in a Database
  • Achievement

    Graphical User Interfaces

    Build a JavaFX Application

    Achieved

    Sep 20, 2017

    Graphical User Interfaces
  • Achievement

    Adding Data to a Database

    Modifying Data with SQL

    Achieved

    Sep 20, 2017

    Adding Data to a Database
  • Achievement

    Finding the Data You Want

    SQL Basics

    Achieved

    Sep 17, 2017

    Finding the Data You Want
  • Achievement

    Getting Data from a Database

    SQL Basics

    Achieved

    Jul 18, 2017

    Getting Data from a Database
  • Achievement

    Data, Databases and SQL

    SQL Basics

    Achieved

    Jul 11, 2017

    Data, Databases and SQL
  • Achievement

    IDE Exploration

    Local Development Environments

    Achieved

    Mar 19, 2017

    IDE Exploration
  • Achievement

    How it Works

    Local Development Environments

    Achieved

    Mar 6, 2017

    How it Works
  • Achievement

    WWW

    How the Web Works

    Achieved

    Mar 1, 2017

    WWW
  • Achievement

    Efficiency!

    Java Data Structures

    Achieved

    Feb 28, 2017

    Efficiency!
  • Achievement

    The Internet

    How the Internet Works

    Achieved

    Feb 10, 2017

    The Internet
  • Achievement

    Exploring the Java Collections Framework

    Java Data Structures

    Achieved

    Feb 5, 2017

    Exploring the Java Collections Framework
  • Achievement

    Computer Languages

    Computer Basics

    Achieved

    Jan 28, 2017

    Computer Languages
  • Achievement

    Organizing Data

    Java Data Structures

    Achieved

    Jan 27, 2017

    Organizing Data
  • Achievement

    Computer Basics

    Computer Basics

    Achieved

    Jan 24, 2017

    Computer Basics
  • Achievement

    Installing Programs

    Console Foundations

    Achieved

    Jan 24, 2017

    Installing Programs
  • Achievement

    Getting There

    Java Data Structures

    Achieved

    Jan 21, 2017

    Getting There
  • Achievement

    Environment and Redirection

    Console Foundations

    Achieved

    Jan 21, 2017

    Environment and Redirection
  • Achievement

    Delivering the MVP

    Java Objects

    Achieved

    Jan 17, 2017

    Delivering the MVP
  • Achievement

    Creating the MVP

    Java Objects

    Achieved

    Jan 10, 2017

    Creating the MVP
  • Achievement

    Console Processes

    Console Foundations

    Achieved

    Jan 3, 2017

    Console Processes
  • Achievement

    Console Users and Permission

    Console Foundations

    Achieved

    Dec 29, 2016

    Console Users and Permission
  • Achievement

    Harnessing the Power of Objects

    Java Objects

    Achieved

    Dec 28, 2016

    Harnessing the Power of Objects
  • Achievement

    Meet Objects

    Java Objects

    Achieved

    Dec 21, 2016

    Meet Objects
  • Achievement

    Perfecting the Prototype

    Java Basics

    Achieved

    Dec 16, 2016

    Perfecting the Prototype
  • Achievement

    Moving Around in the Console

    Console Foundations

    Achieved

    Dec 14, 2016

    Moving Around in the Console
  • Achievement

    Using your New Tools

    Java Basics

    Achieved

    Dec 7, 2016

    Using your New Tools
  • Achievement

    Getting Started with Java

    Java Basics

    Achieved

    Nov 22, 2016

    Getting Started with Java
  • Achievement

    Newbie

    Achieved

    Nov 19, 2016

    Newbie