delete from  wvp-device;
delete from  wvp-device_alarm;
delete from  wvp-device_channel;
delete from  wvp-device_mobile_position;
delete from  wvp-gb_stream;
delete from  wvp-log;
delete from  wvp-media_server;
delete from  wvp-parent_platform;
delete from  wvp-platform_catalog;
delete from  wvp-platform_gb_channel;
delete from  wvp-platform_gb_stream;
delete from  wvp-stream_proxy;
delete from  wvp-stream_push;