Introduction to Database System A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file. File structure Database Fields Records File structure Database Fields Records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Embedded pointer provide an inverted index All of these a physical record key None of these a secondary access path an inverted index All of these a physical record key None of these a secondary access path ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A good query system can be accessed only by data processing professionals can accept English language commands allows non-programmers to access information stored in a database None of these both (a) and (b) can be accessed only by data processing professionals can accept English language commands allows non-programmers to access information stored in a database None of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the columns are sometimes called "attributes". False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: can only be one column. identifies a column. identifies a row. must always be composed of two or more columns. can only be one column. identifies a column. identifies a row. must always be composed of two or more columns. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . e-commerce database application multiuser database application single-user database application data mining database application e-commerce database application multiuser database application single-user database application data mining database application ANSWER DOWNLOAD EXAMIANS APP
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