What is needed to ensure a check field is verified against
the referenced key field of the check table?

a) same data element is required for check field and
referenced field
b) same domain is required for check field and referenced field
c) same data type only is required for check field and
referenced field
d) all key fields MUST have domain equality between check
table and foreign key table

Note: I am confused between A or C ? Please answer only if
you are very sure. Else pls ignore.



What is needed to ensure a check field is verified against the referenced key field of the check ta..

Answer / hemali shah

same domain is required for check field and referenced
field

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