select by attribute by gisoracle
shapefile:
mod( "FID",2)=1 gisoracle
gdb:
mod( "OBJECTID",2)=1
round("OBJECTID"/2,0)*2 <> "OBJECTID"
mdb:
[ObjectID] mod 2 =1
int( [OBJECTID]/2)*2 <> [OBJECTID]
参考:http://bbs.esrichina-bj.cn/ESRI/viewthread.php?tid=54835