Data Models into Database Designs Which of the following columns is(are) are required in a table? A primary key An alternate key A foreign key A surrogate key A primary key An alternate key A foreign key A surrogate key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:1 relationship, the primary key placement is arbitrary. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship? Both of the above None of these MUST NOT MUST COVER Both of the above None of these MUST NOT MUST COVER ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:1 relationship, the foreign key is placed in: the parent table. the child table. either the parent table or the child table. either table without specifying parent and child tables. the parent table. the child table. either the parent table or the child table. either table without specifying parent and child tables. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value. the primary key any alternate key a surrogate key a foreign key the primary key any alternate key a surrogate key a foreign key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs (STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key. True False True False ANSWER DOWNLOAD EXAMIANS APP
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