ESDB
P � V � \ � b � h
p p w 0 0 � @ � P � ` � p � � csid_0csid_1csid_2csid_3csname_0invalidencodingnum_charsetsversioncsname_3csname_1variablecsname_2 ISO646-US ? GBK2K GB2312:GB18030 GBKUCS 4byte GBK:GB18030