diff --git a/README.md b/README.md
index d6b59b4..20c8b93 100644
--- a/README.md
+++ b/README.md
@@ -115,4 +115,7 @@ http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to
 Creative Commons, 171 Second Street, Suite 300, San Francisco, 
 California, 94105, USA.
 
+## Common Errors
 
+Error: Access denied for user 'root'
+Solution: Make sure you are using the correct password and host.
diff --git a/SCHEMA_OVERVIEW.md b/SCHEMA_OVERVIEW.md
new file mode 100644
index 0000000..5cdeea2
--- /dev/null
+++ b/SCHEMA_OVERVIEW.md
@@ -0,0 +1,40 @@
+# Employees Database Schema Overview
+
+
+## Tables
+
+### employees
+- emp_no (INT, PK)
+- birth_date (DATE)
+- first_name (VARCHAR)
+- last_name (VARCHAR)
+- gender (ENUM)
+- hire_date (DATE)
+
+### departments
+- dept_no (CHAR, PK)
+- dept_name (VARCHAR)
+
+### salaries
+- emp_no (INT, FK)
+- salary (INT)
+- from_date (DATE)
+- to_date (DATE)
+
+### titles
+- emp_no (INT, FK)
+- title (VARCHAR)
+- from_date (DATE)
+- to_date (DATE)
+
+### dept_emp
+- emp_no (INT, FK)
+- dept_no (CHAR, FK)
+- from_date (DATE)
+- to_date (DATE)
+
+### dept_manager
+- emp_no (INT, FK)
+- dept_no (CHAR, FK)
+- from_date (DATE)
+- to_date (DATE)