Introduction to Database System In SQL, which command is used to changes data in a table? UPDATE INSERT APPEND BROWSE UPDATE INSERT APPEND BROWSE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a logical data-base structure? tree relational chain network tree relational chain network 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. Many-to many relationship Many-to-one relationship One-to-many relationship One-to-one relationship Many-to many relationship Many-to-one relationship One-to-many relationship One-to-one relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System It is more accurate to define a _____ as a variety of different record types that are treated as a single unit None of these Table Database Flat File Record None of these Table Database Flat File Record ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ Contains fields of data about one entity. Record Fields Document None of these File Record Fields Document None of these File ANSWER DOWNLOAD EXAMIANS APP
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