python-sql-lessons/SQL/labs/solutions/DogGroomerSQL/README.md

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Title: DogGroomerSQL
Type: Homework
Created By: Hunter Wallen

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Setup

1. Create a new database called DogGroomer, connect to it, and run the following code (given to you in the schema.sql file inside of the groomer_seed_data directory):
   • Note: You can run this .sql file using psql <db_name> -f <path_to_file>

  drop table if exists dogs;
  drop table if exists owners;
  drop table if exists groomers;

  create table dogs(
  	id serial primary key,
  	name varchar(255) not null,
  	breed varchar(255) not null,
    owner integer,
    groomer integer
  );

  create table owners(
  	id serial primary key,
  	name varchar(255) not null,
  	groomer integer,
  	dogs integer[]
  );

  create table groomers(
  	id serial primary key,
  	name varchar(255) not null,
  	rate integer not null,
  	owners integer[],
  	dogs integer[]
  );

1. In terminal, connect to your DogGroomer database
2. Once inside the psql database (you'll know you're in the right one if your terminal says DogGroomer=#), copy and paste the seed data from dogs.sql, groomers.sql and owners.sql into your terminal.
3. Query for * in each of the three tables to make sure the data was inputted correctly.

Activity

• In the answers.sql file you will find a series of challenges. Below them, type the appropriate SQL command to access the data requested.
• You must complete at least 8 of the provided challenges for a completion on this assignment.

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Heads Up!

Some of the Data in the tables is in the form of an array! Check out the PostgreSQL Docs about arrays before you start!

Hungry For More?

• Use joins to solve the appropriate questions.