Prime Keys are:
	series_num
DB Index Keys are same as Prime Keys
All Keywords for series ds_mdi.fd_V_30s_01h_lev1_8:
	T_BEGIN   	(time)	
	series_num	(int)	 
	level_num 	(int)	 
	create_date	(string)	 
Segments for series ds_mdi.fd_V_30s_01h_lev1_8:
	dir       	   none	generic