diff --git a/database/README.md b/database/README.md
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--- a/database/README.md
+++ b/database/README.md
@@ -5,6 +5,17 @@
 | Database Fundamentals        | [link](notes/01-database-fundamentals.md) | [link](notes/01-database-fundamentals.pdf) |
 | Data Integrity & ER Diagrams | [link](notes/02-integrity-er-diagram.md)  | [link](notes/02-integrity-er-diagram.pdf)  |
 
+
+## Assignments
+
+### ER Diagram
+Download the ER diagram from [here](media/student-er.drawio) and import it into [draw.io](https://www.draw.io/).
+
+* Add the `mentor` entity
+* Modify `batch` to add more attributes
+* Add relationships between the `mentor` and `batch` entities. A mentor can be assigned to multiple batches and a batch can have multiple mentors.
+
+
 ## RDBMS
 * [MySQL](https://www.mysql.com/)
 * [PostgreSQL](https://www.postgresql.org/)