Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for All of these None of these reducing storage space requirements improving data integrity protecting data in data communication systems All of these None of these reducing storage space requirements improving data integrity protecting data in data communication systems ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation in this form is free of all modification anomalies. First normal form Domain/key normal form Second normal form Third normal form First normal form Domain/key normal form Second normal form Third normal form ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to changes data in a table? INSERT UPDATE APPEND BROWSE INSERT UPDATE APPEND BROWSE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The database administration function includes database access planning computer operations management All of these application programming None of these database access planning computer operations management All of these application programming None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents an actual occurrence of an associated generalized entity? Archetype entity Instance entity Subtype entity Supertype entity Archetype entity Instance entity Subtype entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
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