Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? Weak entity Strong entity ID-independent entity ID-dependent entity Weak entity Strong entity ID-independent entity ID-dependent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for protecting data in data communication systems reducing storage space requirements None of these All of these improving data integrity protecting data in data communication systems reducing storage space requirements None of these All of these improving data integrity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The purpose of a database is to help people stop using spreadsheets. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? records tables treelike structure complex logical relationships records tables treelike structure complex logical relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The highest level in the hierarchy of data organization is called data record data bank data file database data record data bank data file database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? It is inflexible Programs are dependent on the files There is common sharing of data among the various applications All of these It is file-oriented It is inflexible Programs are dependent on the files There is common sharing of data among the various applications All of these It is file-oriented ANSWER DOWNLOAD EXAMIANS APP
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