CODE EXAMPLE FOR SQL

how to make oppointment table in database

CREATE TABLE Appointment (
    DoctorID char(1) NOT NULL,
    [Date] date NOT NULL,
    StartTime time(0) NOT NULL CONSTRAINT CHK_StartTime_TenMinute CHECK (DATEPART(MINUTE, StartTime)%10 = 0 AND DATEPART(SECOND, StartTime) = 0),
    EndTime time(0) NOT NULL CONSTRAINT CHK_EndTime_TenMinute CHECK (DATEPART(MINUTE, EndTime)%10 = 0 AND DATEPART(SECOND, EndTime) = 0),
    Status char(1) NOT NULL,
    UserID char(1) NOT NULL,
    Price int NOT NULL,
    CONSTRAINT PK_Appointment PRIMARY KEY CLUSTERED (DoctorID, [Date], StartTime),
    CONSTRAINT CHK_StartTime_BusinessHours CHECK (DATEPART(HOUR, StartTime) > = 9 AND DATEPART(HOUR, StartTime) < = 16),
    CONSTRAINT CHK_EndTime_BusinessHours CHECK (DATEPART(HOUR, EndTime) > = 9 AND DATEPART(HOUR, DATEADD(SECOND, -1, EndTime)) < = 16),
    CONSTRAINT CHK_EndTime_After_StartTime CHECK (EndTime > StartTime));
CREATE INDEX iDoctor_End ON Appointment (DoctorID, [Date], EndTime);