Introduction to Database System A ternary relationship is so called because in contains two entities and one association between them. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An-owner-member set in the CODASYL specifications may have more than one member but only one occurrence per member only one owner but many owner occurrences only one member but many member occurrence All of the listed here more than one member but only one occurrence per member only one owner but many owner occurrences only one member but many member occurrence All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute is a(n): column of a table. row of a table. key of a table. two dimensional table. column of a table. row of a table. key of a table. two dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DIFFERENT SELECT UNIQUE All of these None of these SELECT DISTINCT SELECT DIFFERENT SELECT UNIQUE All of these None of these SELECT DISTINCT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type may be related to more than one record of another record type. One-to-one relationship One-to-many relationship Many-to-one relationship Many-to many relationship One-to-one relationship One-to-many relationship Many-to-one relationship Many-to many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a logical data-base structure? relational tree network chain relational tree network chain ANSWER DOWNLOAD EXAMIANS APP
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