text: IF OBJECT_ID('events', 'U') IS NOT NULL
  DROP TABLE events
  GO
  
  CREATE TABLE events (
      event_id INT IDENTITY(1,1) PRIMARY KEY,
      unix_time BIGINT,
      sensor_alias VARCHAR(31),
      temperature DECIMAL(4,2),
      humidity DECIMAL(4,2),
      pressure DECIMAL(6,2),
      acceleration FLOAT
  );
  GO