adding proper object labeling for tables

employeeTracker.sql

@@ -8,16 +8,22 @@ USE employeerTracker_db;
 -- DATABASE SCHEMA CONTAINING THREE TABLES --
 
 CREATE TABLE department (
-    id INT PRIMARY KEY AUTOINCREMENT
-    name VARCHAR(30) NOT NULL
+    id INT NOT NULL AUTO_INCREMENT,
+    name VARCHAR(30) NOT NULL,
+    PRIMARY KEY (id)
+
 
 );
 
 CREATE TABLE role(
-    id INT PRIMARY KEY AUTOINCREMENT
-    title VARCHAR(30) to hold role title
-    salary DECIMAL to hold role salary
-    department_id to hold reference to department role belongs to 
+    id INT NOT NULL AUTO_INCREMENT
+    -- to hold role title --
+    title VARCHAR(30) NOT NULL,
+    -- to hold role salary --
+    salary DECIMAL NOT NULL,
+    -- to hold reference to department role belongs to --
+    department_id FOREIGN KEY REFERENCES department(id) 
+    PRIMARY KEY (id)
 
 
 );

seed.sql

@@ -1,7 +1,7 @@
 USE employeeTracker_db;
 
 INSERT INTO department,
-name,
+(name),
 
 VALUES
 ('Sales'),
@@ -10,7 +10,7 @@ VALUES
 ('Development');
 
 INSERT INTO role 
-title, salary, department_id
+(title, salary, department_id),
 
 VALUES
 ('Sales Manager', 60000, 1),
@@ -23,7 +23,7 @@ VALUES
 ('Development Associate', 80000, 4);
 
 INSERT INTO
-first_name, last_name, role_id, manager_id
+(first_name, last_name, role_id, manager_id),
 
 VALUES
 ('Mike', 'Miller', 1, 2),