Update README.md

Author: Julienmj

README.md

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 🎊 _**Goals**_ : Create an organized structure to support accurate and accessible data, enabling effective tracking of student progress and lecturer workload management​(reference to Phase 3.docx).
 
+![Phase 3 (Logical model structure)](https://github.com/user-attachments/assets/62ccfcbe-81b3-4c63-a719-22a532f49ad1)
 
-![alt text](logica.jpg)
 
 Together, these documents lay the foundation for a course management system that supports lecturers in administrative tasks and contributes to better educational outcomes.
 
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 # PHASE 4: 📡 _CREATING DATABASE AND ORACLE ENTERPRISE MANAGER._
 
 ## CREATION OF A PLUGGABLE DATABASE:
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 _For any futher information please go check on the Oracle enterprise tablespace screenshot and Oracle enterprise login screenshot._
 
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 # PHASE 5: 📝 _TABLE IMPLEMENTATION AND DATA INSERTION._
 
 ## TABLE CREATION:
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 _**REMARK**_ : _Please check the  files provided in the repo  for the rest of screenshots_
 
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 # PHASE 6:  📓 _DATABASE INTERACTIONS AND TRANSACTION_
 
 ## DATABASE OPERATIONS