Christian Paez

Christian Paez @christianpaez

About: Software and Data Science

Joined:
Aug 3, 2020

Christian Paez
articles - 63 total

The Ultimate SQL JOIN Cheat Sheet

If you're working with relational databases, you'll often need to combine data from multiple tables....

Learn More 3 0Sep 10 '24

HackerRank SQL Preparation: Weather Observation Station 3(MySQL)

Problem Statement: Query a list of CITY names from STATION for cities that have an even ID number....

Learn More 3 0Aug 27 '24

HackerRank SQL Preparation: Weather Observation Station 1(MySQL)

Problem Statement: Query a list of CITY and STATE from the STATION table. Link: HackerRank - Weather...

Learn More 2 0Jun 9 '24

HackerRank SQL Preparation: Japanese Cities' Names(MySQL)

Problem Statement: Query the names of all Japanese cities in the CITY table. The COUNTRYCODE for...

Learn More 3 0Jun 9 '24

HackerRank SQL Preparation: Japanese Cities' Attributes(MySQL)

Problem Statement: Query all attributes of every Japanese city in the CITY table. The COUNTRYCODE for...

Learn More 5 0Jun 6 '24

HackerRank SQL Preparation: Select by ID(MySQL)

Problem Statement: Query all columns for a city in the CITY table with the ID 1661. Link:...

Learn More 4 0Jun 6 '24

HackerRank SQL Preparation: Select All(MySQL)

Problem Statement: Query all columns (attributes) for every row in the CITY table. Link:...

Learn More 2 0Jun 6 '24

Automate binary execution at Startup with BASH

Automating the startup of frequently used binaries can save time and streamline your workflow. This...

Learn More 1 0May 22 '24

Simplifying PATH Management with Bash

In the world of command-line, every keystroke counts. One essential aspect of this efficiency is...

Learn More 3 0May 7 '24

Automating Video editing with programming knowledge

Many video editing tasks can be repetitive and time-consuming, especially when applied frequently...

Learn More 1 1Apr 13 '24

HackerRank SQL preparation; Revising the Select Query II(MySQL)

Problem Statement: Query the NAME field for American cities in the CITY table with populations larger...

Learn More 1 0Apr 3 '24

HackerRank SQL Preparation: Revising the Select Query I(MySQL)

Problem Statement: Query all columns for American cities in the CITY table with populations larger...

Learn More 3 0Apr 1 '24

The Ultimate SQL SELECT Cheat Sheet

Have you ever found yourself staring blankly at your SQL code, trying to recall the syntax for a...

Learn More 5 0Mar 14 '24

Bandit Level 23 Level 24

Introduction Welcome back, in this level we will learn some basics of privilege escalation...

Learn More 10 0Feb 15 '24

Bandit Level 22 Level 23

Introduction In this level, we'll navigate through the uses of cron jobs and bash...

Learn More 1 0Jan 11 '24

Bandit Level 21 Level 22

Introduction Welcome back, fearless hacker, to the Bandit challenges! In this level, we'll...

Learn More 1 0Jan 2 '24

Bandit Level 20 Level 21

Introduction Welcome back tothe OverTheWire Bandit challenges. In this level, we encounter...

Learn More 2 0Dec 27 '23

Bandit Level 19 Level 20

Introduction Greetings, Welcome back to the OverTheWire Bandit challenges. In this level,...

Learn More 2 0Dec 17 '23

Bandit Level 18 Level 19

Introduction In this level, we'll learn about SSH connections, command execution, and file...

Learn More 0 0Dec 17 '23

Bandit Level 17 Level 18

Introduction Greetings, Welcome back to the OverTheWire Bandit challenges. In this level,...

Learn More 2 0Dec 13 '23

Bandit Level 16 Level 17

Introduction In this level of the OverTheWire Bandit challenges, we'll learn how to scan...

Learn More 2 0Dec 10 '23

Unleashing Git Aliases: A Guide to Boosting Linux Productivity

Introduction The command line is a powerful interface, and for Linux enthusiasts,...

Learn More 2 0Dec 2 '23

Bandit Level 15 Level 16

Introduction Welcome to another level of the OverTheWire Bandit challenges! In this level,...

Learn More 3 0Nov 30 '23

Bandit Level 14 Level 15

Introduction Greetings, folks! We're back in the Bandit wargame, in this level where we'll...

Learn More 0 0Nov 16 '23

Bandit Level 13 Level 14

Introduction Greetings, We're back with another step in the Bandit wargame journey. Level...

Learn More 4 0Oct 26 '23

Bandit Level 12 Level 13

Introduction Greetings, As we step into Level 12 of the Bandit wargame, we're faced with a...

Learn More 6 0Oct 21 '23

Bandit Level 11 Level 12

Introduction In Level 11 of the Bandit wargame, we're faced with a cryptographic challenge...

Learn More 1 0Oct 4 '23

Unlocking Productivity and Linux Knowledge with Bash Aliases

In the world of command-line mastery, every keystroke counts. That's where Bash aliases come to the...

Learn More 1 2Sep 26 '23

Bandit Level 10 Level 11

Introduction Bandit11 is the twelfth level of the OverTheWire Bandit wargame. In this...

Learn More 1 0Aug 9 '23

Bandit Level 9 Level 10

Introduction Bandit10 is the eleventh level in the OverTheWire Bandit wargame. In this...

Learn More 2 0Aug 3 '23