Introduction to Database System If a piece of data is stored in two places in the database, then changing the data is one spot will cause data inconsistency storage space is wasted None of these both (a) and (b) it can be more easily accessed changing the data is one spot will cause data inconsistency storage space is wasted None of these both (a) and (b) it can be more easily accessed ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When performing a look-up operation using a form you look at each form sequentially until you see the one you want you enter the search value into the form All of these None of these you type the key in an entry line, and the correct form is displayed you look at each form sequentially until you see the one you want you enter the search value into the form All of these None of these you type the key in an entry line, and the correct form is displayed ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? complex logical relationships records treelike structure tables complex logical relationships records treelike structure tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The XML family of standards is very important in database processing today. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa. One-to-many relationship None of these One-to-one relationship Many-to-many relationship Many-to-one relationship One-to-many relationship None of these One-to-one relationship Many-to-many relationship Many-to-one relationship ANSWER DOWNLOAD EXAMIANS APP
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