Student_name VARCHAR2 (15), Student_city VARCHAR2 (12); 3. (TCO 5) The ____ constraint requires that a specific condition be met before a record can be added to a table. (Points : 4) UNIQUE REFERENCE CONDITION CHECK 4. (TCO 5) The ___________ model is both software and hardware dependent. (Points : 4) conceptual logical condensed physical 5. (TCO 6) The _________________________ statement can be used to enable or disable a constraint. (Points : 4) alter table modify table create table update table
Cis 336 a
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