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Postgres add constraint
Postgres add constraint









postgres add constraint postgres add constraint

So the type of this field should also be varchar. We will use it later to communicate with the users, for example, when they forget their password and want to reset it. One more important field the users table should have is email. OK, the next field will store the full_name of the user, so it is also of varchar type, and should not be null.

#Postgres add constraint how to#

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Postgres add constraint