A(n) ____ describes the structure,content,and access controls of a physical data store or database.
A) relation
B) DBMS
C) schema
D) attribute
Correct Answer:
Verified
Q30: A(n)_ is a field or set of
Q31: Data elements in a relational database are
Q32: A separate relation must be created to
Q33: _ are a critical element of relational
Q34: A write lock on a database allows
Q36: A relational database table is in _
Q37: A relational database table is in _
Q38: In a relational database,a row can be
Q39: A(n)_ is a field or set of
Q40: One column of a table in a
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