From 358a22e27955eda47adb56c38c70db68ef0f7db5 Mon Sep 17 00:00:00 2001
From: fiona-eh <fionahulse@mac.com>
Date: Mon, 2 Dec 2024 16:01:08 +0100
Subject: [PATCH] initial solution

---
 queries.md | 39 +++++++++++++++++++++++++--------------
 1 file changed, 25 insertions(+), 14 deletions(-)

diff --git a/queries.md b/queries.md
index b06f900..17f8def 100644
--- a/queries.md
+++ b/queries.md
@@ -7,7 +7,9 @@
 1. Using an **INNER JOIN**, list all books (left table) that have an assigned author (right table). The result should include only books with assigned authors.
 
 ```sql
--- Your Query Goes Here
+SELECT title, author_id
+FROM books
+INNER JOIN authors ON books.author_id = authors.id;
 ```
 
 <br>
@@ -15,7 +17,9 @@
 2. Using a **LEFT JOIN**, list all authors (left table) and their corresponding books on the (right table). The result should include all authors, including those who don't have any books assigned.
 
 ```sql
--- Your Query Goes Here
+SELECT name, title
+FROM authors
+LEFT JOIN books ON authors.id = books.author_id;
 ```
 
 <br>
@@ -23,16 +27,18 @@
 3. Using a **RIGHT JOIN**, list all books (right table) and their corresponding authors on the (left table). The result should include books without assigned authors.
 
 ```sql
--- Your Query Goes Here
-```
+SELECT title, name
+FROM authors
+RIGHT JOIN books ON authors.id = books.author_id; ```
 
 <br>
 
 4. Using a **FULL JOIN**, list all records from the `books` and `authors` tables. The result should include all details from both tables, even if there are no match.
 
 ```sql
--- Your Query Goes Here
-```
+SELECT *
+FROM authors
+FULL JOIN books ON authors.id = books.author_id;```
 
 <br>
 
@@ -41,31 +47,36 @@
 1. Using an **INNER JOIN**, list all books (left table) and their corresponding publishers on the (right table). The result should include the book's title, publisher's name, and location.
 
 ```sql
--- Your Query Goes Here
-```
+SELECT title, name, location
+FROM books
+INNER JOIN publishers ON books.publisher_id = publishers.id; ```
 
 <br>
 
 2. Using a **LEFT JOIN**, list all publishers (left table) and any books they have published on the (right table). The result should include all publishers, including those who haven't published any books.
 
 ```sql
--- Your Query Goes Here
-```
+SELECT name, title
+FROM publishers
+LEFT JOIN books ON books.publisher_id = publishers.id; ```
 
 <br>
 
 3. Using a **RIGHT JOIN**, list all books (right table) and their corresponding publishers on the (left table). The result should include all books, even those without a linked publisher.
 
 ```sql
--- Your Query Goes Here
-```
+SELECT name, title
+FROM publishers
+RIGHT JOIN books ON books.publisher_id = publishers.id; ```
 
 <br>
 
 4. Using a **FULL JOIN**, list all records from the `authors`, `books`, and `publishers` tables. The result should include all records from the three tables, even if there are no matches between them.
 
 ```sql
--- Your Query Goes Here
-```
+SELECT *
+FROM publishers
+LEFT JOIN books ON books.publisher_id = publishers.id
+RIGHT JOIN authors ON books.author_id = authors.id; ```
 
 <br>