Introduction to Database System To have a file hold a list, it is necessary to decide which fields will be used as sort or index keys identify the records in the list All of the listed here identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys identify the records in the list All of the listed here identify the name, width and type of the fields of each record. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among: tables. rows. relations. attributes. tables. rows. relations. attributes. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A good query system both (a) and (b) can be accessed only by data processing professionals can accept English language commands None of these allows non-programmers to access information stored in a database both (a) and (b) can be accessed only by data processing professionals can accept English language commands None of these allows non-programmers to access information stored in a database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System After you _____ a record, many data management the environments require you to issue a command to save the changes you made. Sort key Update Index Delete Sort key Update Index Delete ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a record management system might be None of these a business form a Rolodex card file handwritten list All of these None of these a business form a Rolodex card file handwritten list All of these ANSWER DOWNLOAD EXAMIANS APP
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