diff --git a/README.md b/README.md
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+++ b/README.md
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 # Sprint Challenge: SQL
 
+first commit comment
+
+
 Design a database for an online chat system.
 
 ## Deliverables
diff --git a/chat.db b/chat.db
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diff --git a/queries.sql b/queries.sql
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+CREATE TABLE organization (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name VARCHAR(128) NOT NULL
+);
+CREATE TABLE channel (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name VARCHAR(128) NOT NULL,
+    org_id INT REFERENCES organization(id)
+);
+CREATE TABLE user (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name VARCHAR(128) NOT NULL,
+    org_id INT REFERENCES organization(id)
+);
+CREATE TABLE message (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    post_time DATETIME,
+    content VARCHAR(500),
+    channel_id INT REFERENCES channel(id),
+    user_id INT REFERENCES user(id)
+);
+CREATE TABLE user_messages (
+    user_id INT REFERENCES user(id),
+    message_id INT REFERENCES message(id)
+);
+CREATE TABLE organization_channels (
+    org_id INT REFERENCES organization(id),
+    channel_id INT REFERENCES channel(id)
+);
+CREATE TABLE organization_users (
+    org_id INT REFERENCES organization(id),
+    user_id INT REFERENCES user(id)
+);
+CREATE TABLE channel_users (
+    channel_id INT REFERENCES channel(id),
+    user_id INT REFERENCES user(id)
+);
+
+INSERT INTO organization VALUES (1, 'Lambda School');
+INSERT INTO user VALUES (1, "Alice", 1);
+INSERT INTO user VALUES (2, "Bob", 1);
+INSERT INTO user VALUES (3, "Christina", 1);
+INSERT INTO channel VALUES (1, "#general", 1);
+INSERT INTO channel VALUES (2, "#random", 1);
+INSERT INTO message VALUES (1, '2017-08-25 08:56:43', ':coffee: Good Morning, Lambda School!', 2, 3);
+INSERT INTO message VALUES (2, '2017-08-25 08:57:43', ":joy: That'shilarious!", 2, 1);
+INSERT INTO message VALUES (3, '2018-08-25 10:46:02', "Cats are awesome", 1, 2);
+INSERT INTO message VALUES (4, '2018-09-05 23:46:02', "React is so much fun!", 2, 3);
+INSERT INTO message VALUES (5, '2018-09-05 23:46:15', "I know I'm in the minority, but Game of Thrones...not my thing", 2, 1);
+INSERT INTO message VALUES (6, '2018-09-25 19:46:02', "I got my dream job!", 1, 2);
+INSERT INTO message VALUES (7, '2018-09-25 18:46:02', "What is the topic for the next brownbag?", 1, 1);
+INSERT INTO message VALUES (8, '2018-10-25 14:26:34', "studentforms", 1, 2);
+INSERT INTO message VALUES (9, '2018-10-21 1:26:34', "How does Lambda Next work?", 1, 3);
+INSERT INTO message VALUES (10, '2018-10-21 1:28:34', "When do you wear your sunglasses?", 2, 2);
+INSERT INTO channel_users VALUES (1, 1);
+INSERT INTO channel_users VALUES (2, 1);
+INSERT INTO channel_users VALUES (1, 2);
+INSERT INTO channel_users VALUES (2, 3);
+INSERT INTO organization_users VALUES (1, 1);
+INSERT INTO organization_users VALUES (1, 2);
+INSERT INTO organization_users VALUES (1, 3);
+INSERT INTO organization_channels VALUES (1, 1);
+INSERT INTO organization_channels VALUES (1, 2);
+INSERT INTO user_messages VALUES (3,1);
+INSERT INTO user_messages VALUES (1,2);
+INSERT INTO user_messages VALUES (2,3);
+INSERT INTO user_messages VALUES (3,4);
+INSERT INTO user_messages VALUES (1,5);
+INSERT INTO user_messages VALUES (2,6);
+INSERT INTO user_messages VALUES (1,7);
+INSERT INTO user_messages VALUES (2,8);
+INSERT INTO user_messages VALUES (3,9);
+INSERT INTO user_messages VALUES (2,10);
+
+-- .mode column .width 20 20
+-- 1.
+SELECT * from organization;
+
+SELECT * from user;
+-- 2.
+SELECT * from channel;
+SELECT * from message;
+
+-- 3.
+SELECT channel.id, channel.name, organization.id, organization.name 
+FROM channel, organization WHERE
+organization.name = 'Lambda School';
+
+-- 4.
+SELECT channel.id, channel.name, message.post_time, message.content FROM channel, message WHERE message.channel_id = channel.id 
+ORDER BY message.post_time
+
+-- 5.
+SELECT user.id, user.name, channel.name FROM user, channel WHERE user.name = 'Alice';
+
+-- 6.
+SELECT channel.id, channel.name, user.id, user.name from channel, user
+WHERE channel.name = '#general'
+ORDER BY user.name;
+
+-- 7.
+
+SELECT user.id, user.name, message.channel_id, message.content FROM user, message
+WHERE message.user_id = user.id AND user.name = 'Alice';
+
+-- 8.
+SELECT content FROM message, channel, user WHERE user_id = user.id AND channel_id = channel.id AND channel.name = "#random" AND user.name = "Bob";
+
+-- 9.
+SELECT COUNT(message.content), user.name
+   FROM message, user
+   WHERE message.user_id = user.id
+   GROUP BY user.name;
+
+-- 9.
+SELECT user.name as "User Name", COUNT(*) AS "Message Count" FROM user, message WHERE user_id = user.id GROUP BY user.id ORDER BY user.name DESC;
+
+SELECT user.name AS "User", channel.name AS "Channel", Count(*) AS "Message Count" FROM user, message, channel WHERE user_id = user.id AND channel_id = channel.id GROUP BY channel.name, user.name;
+
+-- ON DELETE CASCADE