diff --git a/ConsecutiveNumbers.sql b/ConsecutiveNumbers.sql
new file mode 100644
index 0000000..4b2a502
--- /dev/null
+++ b/ConsecutiveNumbers.sql
@@ -0,0 +1,7 @@
+
+
+SELECT DISTINCT l1.num AS 'ConsecutiveNums' FROM Logs l1, Logs l2, Logs l3
+WHERE  l1.id = l2.id -1 AND
+       l2.id = l3.id -1 AND
+       l1.num =  l2.num AND
+       l2.num = l3.num
\ No newline at end of file
diff --git a/DynamicPivotingofTable.sql b/DynamicPivotingofTable.sql
new file mode 100644
index 0000000..887a61d
--- /dev/null
+++ b/DynamicPivotingofTable.sql
@@ -0,0 +1,2 @@
+SELECT product_id, 
+( IF(store   )
\ No newline at end of file
diff --git a/NumberOfPassengersBus.sql b/NumberOfPassengersBus.sql
new file mode 100644
index 0000000..ed7d279
--- /dev/null
+++ b/NumberOfPassengersBus.sql
@@ -0,0 +1,14 @@
+with CTE_table (
+    SELECT p.passenger_id,p.arrival_time, min(b.arrival_time) 
+    FROM passenger p
+    JOIN bus b 
+    ON p.arrival_time <= b.arrival_time
+    GROUP BY p.passenger_id
+)
+
+
+SELECT b.bus_id, COUNT(c.btime) AS 'passenger_cnt' 
+FROM bus b
+LEFT JOIN CTE_table c on  b.arrival_time = c.btime 
+GROUP BY b.bus_id
+ORDER  BY b.bus_id
\ No newline at end of file
diff --git a/UserActivity.sql b/UserActivity.sql
new file mode 100644
index 0000000..4858b56
--- /dev/null
+++ b/UserActivity.sql
@@ -0,0 +1,5 @@
+# Write your MySQL query statement below
+SELECT activity_date as day , COUNT(DISTINCT user_id) AS active_users 
+FROM Activity 
+WHERE activity_date BETWEEN '2019-06-28' AND '2019-07-27'
+GROUP BY activity_date  ;
\ No newline at end of file