select 'Initializes all tables if they do not exist' as 'message'; create table if not exists networkmonitor ( id integer not null unique, user_id varchar, timestamp integer, google_connection_test varchar, http_connection_test varchar, network_type varchar, mobile_data_network_type varchar, sim_state varchar, detailed_state varchar, is_connected integer, is_roaming integer, is_available integer, is_failover integer, data_activity varchar, data_state varchar, reason varchar, extra_info varchar, wifi_ssid varchar, wifi_bssid varchar, wifi_frequency integer, wifi_channel integer, wifi_signal_strength integer, wifi_rssi integer, sim_operator varchar, sim_mcc varchar, sim_mnc varchar, network_operator varchar, network_mcc varchar, network_mnc varchar, is_network_metered integer, device_latitude REAL, device_longitude REAL, device_position_accuracy REAL, cell_signal_strength integer, cell_signal_strength_dbm integer, cell_asu_level integer, gsm_ber integer, lte_rsrq integer, cdma_cell_base_station_id integer, cdma_cell_latitude integer, cdma_cell_longitude integer, cdma_cell_network_id integer, cdma_cell_system_id integer, gsm_full_cell_id integer, gsm_rnc integer, gsm_short_cell_id integer, gsm_cell_lac integer, gsm_cell_psc integer, network_interface varchar, ipv4_address varchar, ipv6_address varchar, battery_level integer, download_speed varchar, upload_speed varchar, constraint pk_networkmonitor primary key(id) );