Introduction to Database System Which of the following is a database administrator's function? backing up the database All of the listed here performance monitoring database design backing up the database All of the listed here performance monitoring database design ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Characteristic(s) of a distributed MIS structure is interactive sharing of the workload a multiprocessing environment All of these computers supporting local DP operations None of these interactive sharing of the workload a multiprocessing environment All of these computers supporting local DP operations None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa. Many-to-many relationship Many-to-one relationship One-to-one relationship None of these One-to-many relationship Many-to-many relationship Many-to-one relationship One-to-one relationship None of these One-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail is used to make back-up copies All of the listed here can be used to restore lost information is the recorded history of operations performed on a file is used to make back-up copies All of the listed here can be used to restore lost information is the recorded history of operations performed on a file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as a random collection of data items a general collection of data items a single data item None of these an orderly collection of data items a random collection of data items a general collection of data items a single data item None of these an orderly collection of data items ANSWER DOWNLOAD EXAMIANS APP
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