Introduction to Database System Which of the following is not characteristic of a relational database model? complex logical relationships tables records treelike structure complex logical relationships tables records treelike structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A good query system can be accessed only by data processing professionals can accept English language commands both (a) and (b) None of these allows non-programmers to access information stored in a database can be accessed only by data processing professionals can accept English language commands both (a) and (b) None of these allows non-programmers to access information stored in a database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for All of these improving data integrity protecting data in data communication systems None of these reducing storage space requirements All of these improving data integrity protecting data in data communication systems None of these reducing storage space requirements ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . e-commerce database application multiuser database application data mining database application single-user database application e-commerce database application multiuser database application data mining database application single-user database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The index consists of pointers to the master list both (a) and (b) None of these a list of keys All of these pointers to the master list both (a) and (b) None of these a list of keys All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database are written in English All of these None of these can use aggregate functions like SUM and COUNT both (a) and (b) are written in English All of these None of these can use aggregate functions like SUM and COUNT both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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