Multiple Choice
____ relationships are rare in a relational database;usually you work with ____ relationships.
A) One-to-many,one-to-one
B) One-to-one,one-to-many
C) One-to-one,many-to-one
D) Many-to-one,many-to-many
Correct Answer:
Verified
Correct Answer:
Verified
Q49: In Oracle,you can use a(n)_ to automatically
Q50: As a general rule,database developers should use
Q51: Most modern databases are _ databases.<br>A)hierarchical<br>B)relational<br>C)object-oriented<br>D)structured
Q52: It is best to use _ values
Q53: A shorthand method of identifying a table
Q55: Which data type do surrogate keys have?<br>A)numeric<br>B)boolean<br>C)character<br>D)text
Q56: During the normalization process,it is common to
Q57: Oracle can automatically generate surrogate keys.
Q58: If no candidate keys exist in a
Q59: A student can take many different classes