| Extracts SkyVersion from an SDSS Photo Object ID |
| The bit-fields and their lengths are: Skyversion[5] Rerun[11] Run[16] Camcol[3] First[1] Field[12] Obj[16] select top 10 objId, dbo.fSkyVersion(objId) as fSkyVersion from Galaxy |
| name | type | length | inout | pnum |
| int | 4 | input | 0 | |
| @ObjID | bigint | 8 | input | 1 |