That looks like the field is just plain text; have you tried just removing the extra single quotes from the text variable in your initial example (Justin Will also suggested this)?
vt_temp1:="04/06/2018 07:58:00 AM" vt_temp2:="04/06/2018 08:01:00 AM" Begin SQL SELECT RecordID, Mach_ID, Energy_1, Energy_2, Energy_3 FROM DMM_TTX_HISTORIAN WHERE TimeStamp >= :vt_temp1 AND TimeStamp <= :vt_temp2 INTO :al_temp1, :at_temp1, :ar_temp1, :ar_temp2, :ar_temp3 End SQL -Tim ********************************************************************** 4D Internet Users Group (4D iNUG) FAQ: http://lists.4d.com/faqnug.html Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:4d_tech-unsubscr...@lists.4d.com **********************************************************************