Index: trunk/dbconfig/chip.md
===================================================================
--- trunk/dbconfig/chip.md	(revision 14017)
+++ trunk/dbconfig/chip.md	(revision 14023)
@@ -1,4 +1,4 @@
 #
-#  We are dependant on the assumption that there is only ever one exp_tag in a
+#  We are dependant on the assumption that there is only ever one exp_id in a
 #  chipRun although the database does not enforce this.
 #
@@ -17,11 +17,11 @@
 chipInputImfile METADATA
     chip_id     S64         0       # Primary Key fkey (chip_id) ref chipRun(chip_id)
-    exp_tag     STR         64      # Primary Key fkey (exp_tag, class_id) ref rawImfile (exp_tag, class_id)
+    exp_id      S64         64      # Primary Key fkey (exp_id, class_id) ref rawImfile (exp_id, class_id)
     class_id    STR         64      # Primary Key
 END
 
 chipProcessedImfile METADATA
-    chip_id     S64         0       # Primary Key fkey (chip_id, exp_tag, class_id) ref chipPendingImfile(chip_id, exp_tag, class_id)
-    exp_tag     STR         64      # Primary Key
+    chip_id     S64         0       # Primary Key fkey (chip_id, exp_id, class_id) ref chipInputImfile(chip_id, exp_id, class_id)
+    exp_id     S64         64      # Primary Key
     class_id        STR     64      # Primary Key
     uri             STR     255