diff --git a/DataZoomingModels/Proc.sql b/DataZoomingModels/Proc.sql
new file mode 100644
index 0000000..b803953
--- /dev/null
+++ b/DataZoomingModels/Proc.sql
@@ -0,0 +1,43 @@
+delimiter //
+CREATE PROCEDURE insert_appointment(
+	appointment_id INT,
+	date DATE,
+    time TIME,
+    location VARCHAR(255),
+    purpose VARCHAR(255)
+)
+BEGIN
+    INSERT INTO d_appointments (appointment_id, date, time, location, purpose)
+    VALUES (202,'2023-05-16','10:30:00', 'Office', 'Evaluation Meeting');
+END
+;
+delimiter //
+
+delimiter //
+CREATE PROCEDURE insert_meeting(
+	meetingt_id INT,
+	date DATE,
+    time TIME,
+    location VARCHAR(255),
+    attendees VARCHAR(255),
+    agenda VARCHAR(255)
+)
+BEGIN
+    INSERT INTO d_meetings (meeting_id, date, time, location, attendees, agenda)
+    VALUES (204, 2023-02-16, '10:30:10' , 'Meeting Room 101','Team', 'Kickoff meeting');
+END
+;
+
+delimiter //
+CREATE PROCEDURE insert_appointment(
+	appointment_id INT,
+	date DATE,
+    time TIME,
+    location VARCHAR(255),
+    purpose VARCHAR(255)
+)
+BEGIN
+    INSERT INTO d_appointments (appointment_id, date, time, location, purpose)
+    VALUES (202, '2023-05-16', '10:30:00', 'Office', 'Evaluation Meeting');
+END
+;
\ No newline at end of file
diff --git a/DataZoomingModels/Slct.sql b/DataZoomingModels/Slct.sql
new file mode 100644
index 0000000..fe6e051
--- /dev/null
+++ b/DataZoomingModels/Slct.sql
@@ -0,0 +1,102 @@
+CREATE TABLE d_meetings (
+    meeting_id INT PRIMARY KEY,
+    date DATE NOT NULL,
+    time TIME NOT NULL,
+    location VARCHAR(255) NOT NULL,
+    attendees VARCHAR(255) NOT NULL,
+    agenda VARCHAR(255) NOT NULL
+);
+
+CREATE TABLE d_appointments (
+    appointment_id INT PRIMARY KEY,
+    date DATE NOT NULL,
+    time TIME NOT NULL,
+    location VARCHAR(255) NOT NULL,
+    purpose VARCHAR(255) NOT NULL
+);
+
+CREATE TABLE d_tasks (
+    task_id INT PRIMARY KEY,
+    time TIME NOT NULL,
+    task_name VARCHAR(255) NOT NULL,
+    date DATE NOT NULL ,
+    priority VARCHAR(20) NOT NULL,
+    status VARCHAR(20) NOT NULL
+);
+
+INSERT INTO d_meetings (meeting_id, date, time, location, attendees, agenda)
+VALUES (5, '2023-02-16', '10:00:00', 'Meeting Room 101','Team', 'Kickoff meeting');
+
+INSERT INTO d_appointments (appointment_id, date, time, location, purpose)
+VALUES (104, '2023-03-12', '11:00:00', 'Headquarters', 'Client Meeting');
+
+INSERT INTO d_appointments (appointment_id, date, time, location, purpose)
+VALUES (201, '2023-04-16', '10:30:00', 'Office', 'Evaluation Meeting');
+
+INSERT INTO d_tasks (task_id, time, task_name, date, priority, status)
+VALUES (101, '10:00:00', 'Review Project Report', '2023-04-12','High', 'Not Started');
+
+INSERT INTO d_tasks (task_id, time, task_name, date, priority, status)
+VALUES (102, '10:00:00', 'Follow up with Clients', '2023-03-28','Low', 'Not Started');
+
+INSERT INTO d_tasks (task_id, time, task_name, date, priority, status)
+VALUES (103, '10:00:00', 'Teams Catchup', '2023-03-28','Medium', 'Not Started');
+
+CREATE VIEW aggr_view AS
+SELECT meeting_id AS event_id, date, time, location, attendees, agenda
+FROM d_meetings
+UNION
+SELECT appointment_id AS event_id, date, time, location, purpose
+FROM d_appointments
+UNION
+SELECT task_id AS event_id, time, task_name, date, priority, status
+FROM d_tasks
+order by date, time;
+
+CREATE VIEW aggr_view_app_meet AS
+SELECT a.meeting_id, a.location, a.attendees, a.agenda, b.appointment_id, b.location AS venue, b.purpose,
+c.task_id, c.task_name, c.priority, c.status
+FROM d_meetings a
+JOIN d_appointments b ON a.date = b.date
+JOIN d_tasks c ON b.date = c.date;
+
+CREATE VIEW aggr_view_app_meet AS
+SELECT a.meeting_id, a.location, a.attendees, a.agenda, b.appointment_id, b.location AS venue, b.purpose
+FROM d_meetings a
+JOIN d_appointments b ON a.date = b.date;
+
+CREATE VIEW aggr_view AS
+SELECT a.meeting_id, a.location, a.attendees, a.agenda, a.date as meeting_date, b.appointment_id, b.location AS venue, b.purpose, b.date as appointment_date,
+c.task_id, c.task_name, c.priority, c.status, c.date as task_date 
+FROM d_meetings a, d_appointments b, d_tasks c
+WHERE date = @my_date
+group by date;
+
+CREATE VIEW aggr_view_sample AS
+SELECT meeting_id, location, attendees, agenda, date , appointment_id, location AS venue, purpose, date as appointment_date,
+c.task_id, c.task_name, c.priority, c.status, c.date as task_date 
+FROM d_meetings a, d_appointments b, d_tasks c;
+
+SELECT *
+FROM d_meetings
+WHERE YEAR(date) = 2023;
+
+SELECT *
+FROM meetings_view
+WHERE YEAR(date) = 2023 AND MONTH(date) = 3;
+
+SELECT YEAR(date) as year, MONTH(date) as month, COUNT(*) as meetings_count
+FROM meetings_view
+GROUP BY YEAR(date), MONTH(date);
+
+
+SELECT YEAR(date) as year, MONTH(date) as month, COUNT(*) as meetings_count
+FROM d_meetings
+GROUP BY YEAR(date), MONTH(date);
+
+select * from d_appointments;
+select * from aggr_view_same_day;
+select * from  appointments_view WHERE date >= '2023-01-01' AND date <= '2023-03-31';
+select * from tasks_view where Week(date) = 12;
+select * from tasks_view where Month(date) = 3;
+select * from appointments_view where YEAR(date) = 2023;
\ No newline at end of file