Alejandro Romero Parra

Alejandro Romero Parra

Member Since June 10, 2018

1,593

Total Points

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

22 Achievements

  • Achievement

    Day 2: Advanced Selecting

    SQL Reporting by Example

    Achieved

    Jul 31, 2018

    Day 2: Advanced Selecting
  • Achievement

    Day 1: Joining Tables

    SQL Reporting by Example

    Achieved

    Jul 31, 2018

    Day 1: Joining Tables
  • Achievement

    Set Operations

    Querying Relational Databases

    Achieved

    Jul 18, 2018

    Set Operations
  • Achievement

    Orientation: Selecting Data

    SQL Reporting by Example

    Achieved

    Jul 16, 2018

    Orientation: Selecting Data
  • Achievement

    Subqueries

    Querying Relational Databases

    Achieved

    Jul 16, 2018

    Subqueries
  • Achievement

    Joining Table Data with SQL

    Querying Relational Databases

    Achieved

    Jul 16, 2018

    Joining Table Data with SQL
  • Achievement

    Introducing JavaScript

    Introducing JavaScript

    Achieved

    Jun 26, 2018

    Introducing JavaScript
  • Achievement

    Table Relationships

    Querying Relational Databases

    Achieved

    Jun 26, 2018

    Table Relationships
  • Achievement

    Database Keys

    Querying Relational Databases

    Achieved

    Jun 26, 2018

    Database Keys
  • Achievement

    Database Normalization

    Querying Relational Databases

    Achieved

    Jun 25, 2018

    Database Normalization
  • Achievement

    Date and Time Functions

    Reporting with SQL

    Achieved

    Jun 25, 2018

    Date and Time Functions
  • Achievement

    Aggregate and Numeric Functions

    Reporting with SQL

    Achieved

    Jun 24, 2018

    Aggregate and Numeric Functions
  • Achievement

    Working with Text

    Reporting with SQL

    Achieved

    Jun 15, 2018

    Working with Text
  • Achievement

    Ordering, Limiting and Paging Results

    Reporting with SQL

    Achieved

    Jun 15, 2018

    Ordering, Limiting and Paging Results
  • Achievement

    Handling Errors When Manipulating Data

    Modifying Data with SQL

    Achieved

    Jun 15, 2018

    Handling Errors When Manipulating Data
  • Achievement

    Deleting Data from a Database

    Modifying Data with SQL

    Achieved

    Jun 15, 2018

    Deleting Data from a Database
  • Achievement

    Updating Data in a Database

    Modifying Data with SQL

    Achieved

    Jun 15, 2018

    Updating Data in a Database
  • Achievement

    Adding Data to a Database

    Modifying Data with SQL

    Achieved

    Jun 15, 2018

    Adding Data to a Database
  • Achievement

    Finding the Data You Want

    SQL Basics

    Achieved

    Jun 15, 2018

    Finding the Data You Want
  • Achievement

    Getting Data from a Database

    SQL Basics

    Achieved

    Jun 11, 2018

    Getting Data from a Database
  • Achievement

    Data, Databases and SQL

    SQL Basics

    Achieved

    Jun 10, 2018

    Data, Databases and SQL
  • Achievement

    Newbie

    Achieved

    Jun 10, 2018

    Newbie