Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a field data item record data base field data item record data base ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: determinants. candidate keys. foreign keys. composite keys. determinants. candidate keys. foreign keys. composite keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail is the recorded history of operations performed on a file is used to make back-up copies can be used to restore lost information All of the listed here is the recorded history of operations performed on a file is used to make back-up copies can be used to restore lost information All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A command that lets you change one or more fields in a record is Modify None of these All of these Look-up Insert Modify None of these All of these Look-up Insert ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Embedded pointer provide an inverted index All of these a physical record key a secondary access path None of these an inverted index All of these a physical record key a secondary access path None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: referential integrity constraints. None of these functional dependencies. normal forms. referential integrity constraints. None of these functional dependencies. normal forms. ANSWER DOWNLOAD EXAMIANS APP
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