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 The following are components of a database except ________ . indexes metadata reports user data indexes metadata reports user data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The highest level in the hierarchy of data organization is called database data record data file data bank database data record data file data bank ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for improving data integrity protecting data in data communication systems All of these reducing storage space requirements None of these improving data integrity protecting data in data communication systems All of these reducing storage space requirements None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if they have a row in common both (b) and (c) they have no records with the same value in the common field they have a field in common None of these they have a row in common both (b) and (c) they have no records with the same value in the common field they have a field in common None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: composite keys. determinants. foreign keys. candidate keys. composite keys. determinants. foreign keys. candidate keys. ANSWER DOWNLOAD EXAMIANS APP
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