In general constraints are not checked during full_clean(), and do not raise ValidationErrors. Rather you’ll get a database integrity error on save ...
The term "data integrity" can mean different things to different people, but the most difficult and pervasive problem facing organizations these days is the semantic integrity of the data. As ...
alter table Users add CONSTRAINT "check_userid" check(user_id>0) alter table Passengers add CONSTRAINT "check_pid" check(p_id>0) alter table Passengers add CONSTRAINT ...
When I am working with an Oracle database, I still find myself using SQL*Plus for many quick and dirty database queries. In particular, I often look up constraints in SQL*Plus. In this post, I look at ...
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