Introduction to Database System Relations are categorized into normal forms according to the referential integrity constraints that they have. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for improving data integrity None of these All of these reducing storage space requirements protecting data in data communication systems improving data integrity None of these All of these reducing storage space requirements protecting data in data communication systems ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if All of these only a few transactions are involved a large computer system is available None of these only a small computer system is available All of these only a few transactions are involved a large computer system is available None of these only a small computer system is available ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail is used to make back-up copies is the recorded history of operations performed on a file can be used to restore lost information All of the listed here is used to make back-up copies is the recorded history of operations performed on a file can be used to restore lost information All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A multiple-form file management system lets you define different forms for different operations allow you to entry data in all the forms both (a) and (b) lets you create a look-up form with an associated read-only password to prevent access by unauthorized users None of these lets you define different forms for different operations allow you to entry data in all the forms both (a) and (b) lets you create a look-up form with an associated read-only password to prevent access by unauthorized users None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time? query language transaction log report writer data manipulation language None of these query language transaction log report writer data manipulation language None of these ANSWER DOWNLOAD EXAMIANS APP
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