def table_drop(): # db_server.db_connect() db_server.table_drop(House_rent)
def table_drop(): # db_server.db_connect() db_server.table_drop(Gathering_fac)
def table_drop(): # db_server.db_connect() db_server.table_drop(Living_Pop)
def table_drop(): # db_server.db_connect() db_server.table_drop(Bjd_code)
def table_drop(): # db_server.db_connect() db_server.table_drop(Old_building)
def table_drop(): # db_server.db_connect() db_server.table_drop(Inter_code)
def table_drop(): # db_server.db_connect() db_server.table_drop(Bus_line)
def table_drop(): # db_server.db_connect() db_server.table_drop(Comm_reg)
def table_drop(): # db_server.db_connect() db_server.table_drop(Buy_sell)
def table_drop(): # db_server.db_connect() db_server.table_drop(Metro)
def table_drop(): # db_server.db_connect() db_server.table_drop(Univ)