diff --git a/queries.md b/queries.md
index b06f900..290484c 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 b.title, a.name AS author_name, a.nationality, a.birth_year
+FROM books b
+INNER JOIN authors a ON b.author_id = a.id;
```
@@ -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 a.name AS author_name, a.nationality, a.birth_year, b.title, b.publish_date
+FROM authors a
+LEFT JOIN books b ON a.id = b.author_id;
```
@@ -23,7 +27,9 @@
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 a.name AS author_name, a.nationality, b.title, b.publish_date
+FROM authors a
+RIGHT JOIN books b ON a.id = b.author_id;
```
@@ -31,7 +37,9 @@
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 a.name AS author_name, a.nationality, a.birth_year, b.title, b.publish_date
+FROM authors a
+FULL JOIN books b ON a.id = b.author_id;
```
@@ -41,7 +49,9 @@
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 b.title, p.name AS publisher_name, p.location
+FROM books b
+INNER JOIN publishers p ON b.publisher_id = p.id;
```
@@ -49,7 +59,9 @@
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 p.name AS publisher_name, p.location, p.founded_year, b.title, b.publish_date
+FROM publishers p
+LEFT JOIN books b ON p.id = b.publisher_id;
```
@@ -57,7 +69,9 @@
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 p.name AS publisher_name, p.location, b.title, b.publish_date
+FROM publishers p
+RIGHT JOIN books b ON p.id = b.publisher_id;
```
@@ -65,7 +79,12 @@
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 a.name AS author_name, a.nationality, a.birth_year,
+ b.title, b.publish_date,
+ p.name AS publisher_name, p.location, p.founded_year
+FROM authors a
+FULL JOIN books b ON a.id = b.author_id
+FULL JOIN publishers p ON b.publisher_id = p.id;
```