diff --git a/Practical/Practical Exam/MongoDB/M1 - Crud operations.md b/Practical/Practical Exam/MongoDB/M1 - Crud operations.md
index 22087a8..ef6d92e 100644
--- a/Practical/Practical Exam/MongoDB/M1 - Crud operations.md	
+++ b/Practical/Practical Exam/MongoDB/M1 - Crud operations.md	
@@ -33,7 +33,7 @@ by 5000.
 ## Creating database & collection:
 
 ```json
-use empDB
+use empDB1
 db.createCollection("Employee")
 
 ```
diff --git a/Practical/Practical Exam/MongoDB/M2 - Crud operations.md b/Practical/Practical Exam/MongoDB/M2 - Crud operations.md
index b8aa7f9..bc3a24e 100644
--- a/Practical/Practical Exam/MongoDB/M2 - Crud operations.md	
+++ b/Practical/Practical Exam/MongoDB/M2 - Crud operations.md	
@@ -33,7 +33,7 @@ Company_name is "Infosys".
 ## Creating database & collection:
 
 ```json
-use empDB
+use empDB1
 db.createCollection("Employee")
 
 ```
diff --git a/Practical/Practical Exam/MongoDB/M3 - Crud operations.md b/Practical/Practical Exam/MongoDB/M3 - Crud operations.md
index 8f4852e..cc9022e 100644
--- a/Practical/Practical Exam/MongoDB/M3 - Crud operations.md	
+++ b/Practical/Practical Exam/MongoDB/M3 - Crud operations.md	
@@ -34,7 +34,7 @@ value "Pune" and the field Pin_code with the value "411001".
 ## Creating database & collection:
 
 ```json
-use empDB
+use empDB3
 db.createCollection("Employee")
 
 ```