How can i add foriegn key in nested table ?

Question

this is my code
ALTER TABLE vac_nt ADD CONSTRAINT VAC FOREIGN KEY (ID_VaccinationCenter) REFERENCES vac_nt(ID_VaccinationCenter);
this is
Error report -
ORA-30730: referential constraint not allowed on nested table column
30730. 00000 - "referential constraint not allowed on nested table column"
*Cause: An attempt was made to define a referential constraint on a nested
table column.
*Action: Do not specify referential constraints on nested table columns.

Answer 1

The error message indicated you were using Oracle, so for the sake of context clarity, please tag Oracle or PLSQL rather than MySQL ☝