Brandon Hopper

queries.sql

@@ -0,0 +1,153 @@
+-- Organization Table --
+CREATE TABLE organization (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name VARCHAR(64) NOT NULL UNIQUE,
+    created TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Channel Table --
+CREATE TABLE channel (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name VARCHAR(64) NOT NULL UNIQUE,
+    organization_id INTEGER REFERENCES organization(id),
+    created TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- User Table --
+CREATE TABLE user (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name VARCHAR(64) NOT NULL UNIQUE,
+    username VARCHAR(32) NOT NULL UNIQUE,
+    created TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Message Table --
+CREATE TABLE message (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    content TEXT,
+    user_id INTEGER REFERENCES user(id),
+    channel_id INTEGER REFERENCES channel(id),
+    created TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- user_channel --
+CREATE TABLE user_channel (
+  user_id INTEGER REFERENCES user(id),
+  channel_id INTEGER REFERENCES channel(id)
+);
+
+-- inserting data into database
+INSERT INTO user
+(name, username)
+VALUES("Alice", "A_wonderLand");
+
+INSERT INTO user
+(name, username)
+VALUES("Bob", "Pyscho_B_N_Springfield");
+
+INSERT INTO user
+(name, username)
+VALUES("Chris Hensworth", "Thor");
+
+
+-- organizations --
+INSERT INTO organization
+(name)
+VALUES("Lambda School");
+
+
+-- channels --
+INSERT INTO channel
+(name, organization_id)
+VALUES("#general", 1);
+
+INSERT INTO channel
+(name, organization_id)
+VALUES("#random", 2);
+
+-- messages --
+INSERT INTO message
+  (content, user_id, channel_id)
+VALUES("I'M THE KING OF THE WORLD", 3, 2);
+
+INSERT INTO message
+  (content, user_id, channel_id)
+VALUES("OH, you did an actual query.  That’s awesome lol", 2, 1);
+
+INSERT INTO message
+  (content, user_id, channel_id)
+VALUES("So many repos.", 1, 1);
+
+INSERT INTO message
+  (content, user_id, channel_id)
+VALUES("Don't worry guys.", 1, 2);
+
+INSERT INTO message
+  (content, user_id, channel_id)
+VALUES("Why do I type so slow?", 3, 2);
+
+INSERT INTO message
+  (content, user_id, channel_id)
+VALUES("Two hours of sleep is rough.", 3, 2);
+
+INSERT INTO message
+  (content, user_id, channel_id)
+VALUES("What's the repo for today?", 2, 1);
+
+INSERT INTO message
+  (content, user_id, channel_id)
+VALUES("Can you make a PR request please", 1, 1);
+
+INSERT INTO message
+  (content, user_id, channel_id)
+VALUES("Are we doing #after-hours?", 2, 2);
+
+INSERT INTO message
+  (content, user_id, channel_id)
+VALUES("Don’t forget to put your name on your pull request.", 3, 1);
+
+INSERT INTO message
+  (content, user_id, channel_id)
+VALUES("Please take a moment to reflect upon your day and fill out your Daily Standup report: https:\/\/airtable.com\/shr8ZYuNjevMLRsxI", 1, 1);
+
+-- SELECT QUERIES -- 
+SELECT name
+    from organization;
+
+SELECT name
+    from channel;
+
+SELECT channel.name
+    FROM channel, organization
+    WHERE organization_id = organization.id
+    AND organization.name = "Lambda School";
+
+SELECT content
+    FROM message AS
+    "GENERAL MESSAGES" WHERE channel_id IS
+    (SELECT id FROM channel
+    WHERE name IS '#general')
+    ORDER BY created DESC;
+
+SELECT content FROM message INNER JOIN user ON message.user_id IS user.id WHERE user.name IS "Alice";
+
+SELECT content
+FROM message, channel, user
+WHERE user_id = user.id
+  AND channel_id = channel.id
+  AND channel.name = "#random"
+  AND user.name = "Bob"
+
+SELECT COUNT(user.id) AS "MESSAGE COUNT", user.name AS "Name"
+FROM message
+INNER JOIN user
+  ON message.user_id
+IS user.id 
+INNER JOIN channel 
+WHERE message.channel_id IS channel.id 
+GROUP BY user.id;
+
+-- DROP USER [ IF EXISTS ] user_name --