diff --git a/lesson_28/db/db_app/src/main/java/com/codedifferently/lesson28/models/CheckoutModel.java b/lesson_28/db/db_app/src/main/java/com/codedifferently/lesson28/models/CheckoutModel.java
index f196513ee..884b3b667 100644
--- a/lesson_28/db/db_app/src/main/java/com/codedifferently/lesson28/models/CheckoutModel.java
+++ b/lesson_28/db/db_app/src/main/java/com/codedifferently/lesson28/models/CheckoutModel.java
@@ -1,10 +1,11 @@
 package com.codedifferently.lesson28.models;
 
+import java.time.Instant;
+import java.util.UUID;
+
 import jakarta.persistence.Entity;
 import jakarta.persistence.Id;
 import jakarta.persistence.Table;
-import java.time.Instant;
-import java.util.UUID;
 
 @Entity
 @Table(name = "checked_out_items")
diff --git a/lesson_28/db/db_app/src/main/java/com/codedifferently/lesson28/models/LibraryUserModel.java b/lesson_28/db/db_app/src/main/java/com/codedifferently/lesson28/models/LibraryUserModel.java
new file mode 100644
index 000000000..ab9c0a024
--- /dev/null
+++ b/lesson_28/db/db_app/src/main/java/com/codedifferently/lesson28/models/LibraryUserModel.java
@@ -0,0 +1,15 @@
+public class LibraryUserModel {
+   private String id;
+    private String email;
+    private String firstName;
+    private String lastName;
+    private String password;
+
+    public LibraryUserModel(String id, String email, String firstName, String lastName, String password) {
+        this.id = id;
+        this.email = email;
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.password = password;
+ }
+}
diff --git a/lesson_28/db/db_app/src/main/resources/queries/oliviajames.sql b/lesson_28/db/db_app/src/main/resources/queries/oliviajames.sql
new file mode 100644
index 000000000..f5dfcb567
--- /dev/null
+++ b/lesson_28/db/db_app/src/main/resources/queries/oliviajames.sql
@@ -0,0 +1,31 @@
+SELECT * FROM media_items
+
+SELECT type, COUNT(*) AS count
+FROM media_items
+GROUP BY type;
+
+SELECT SUM (m.pages) AS total_pages_checked_out
+FROM checked_out_items c 
+JOIN media_items m ON c.item_id = m.id;
+
+SELECT g.name, c.* 
+FROM guests g
+LEFT JOIN checked_out_items c ON g.email  = c.email
+
+DROP TABLE library_users;
+
+CREATE TABLE library_users (
+    id TEXT PRIMARY KEY,
+    email TEXT NOT NULL UNIQUE,
+    first_name TEXT NOT NULL,
+    last_name TEXT NOT NULL,
+    password TEXT NOT NULL
+);
+
+INSERT INTO library_users (id, email, first_name, last_name, password)
+VALUES
+('1', 'jane@example.com', 'Jane', 'Doe', '$2a$10$8Sbo8w4UTo7PYYMRAfE8ieBaQYqDZV9AYw2x9AlFFeFZ3Y3q1TxMi'),
+('2', 'john@example.com', 'John', 'Smith', '$2a$10$L8lWx.L3QhxiKyzYJCTi7uYTeKKbqElxRYHO6mGjc5Cfb5pY3HHQO'),
+('3', 'olivia@example.com', 'Olivia', 'James', '$2a$10$kRrQ3YbeXYbXl9F6sUYOYOX5pK8flNOuNcByVRKz9ChfLYUM6ZKAe');
+
+SELECT * FROM library_users;
\ No newline at end of file
diff --git a/lesson_28/db/db_app/src/main/resources/sqlite/data.db b/lesson_28/db/db_app/src/main/resources/sqlite/data.db
index 8baa982d2..23da1d00e 100644
Binary files a/lesson_28/db/db_app/src/main/resources/sqlite/data.db and b/lesson_28/db/db_app/src/main/resources/sqlite/data.db differ