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There are total three tables tblInternal, tblExternal, tblCourses. Table
tblInternal and tblCourses is one to many relationship by reference foreign
key InternalID from tblCourses to tblInternal. If I just use these two table
to set up Master form and subform in ACCESS, you can in subform Field Linker
window of subform property Data tab select primary and foreign key to
generate link between Master and subform. So if you select user name from
tblInternal in Master form ComboBox, you can see the detailed information the
user relates to.
Same relation between tblExternal and tblCourses.
Now I want to merger tblInternal, tblExternal to list user name in ComboBox
by Uion statement. But in SubForm Field Linked window I just see one primary
key from one of these two tables instead of two primary keys from each table.
How to solve this issue?
tblInternal and tblCourses is one to many relationship by reference foreign
key InternalID from tblCourses to tblInternal. If I just use these two table
to set up Master form and subform in ACCESS, you can in subform Field Linker
window of subform property Data tab select primary and foreign key to
generate link between Master and subform. So if you select user name from
tblInternal in Master form ComboBox, you can see the detailed information the
user relates to.
Same relation between tblExternal and tblCourses.
Now I want to merger tblInternal, tblExternal to list user name in ComboBox
by Uion statement. But in SubForm Field Linked window I just see one primary
key from one of these two tables instead of two primary keys from each table.
How to solve this issue?