Introduction to Database System Queries to a database can use aggregate functions like SUM and COUNT None of these are written in English All of these both (a) and (b) can use aggregate functions like SUM and COUNT None of these are written in English All of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Large collections of files are called records None of these file system databases fields records None of these file system databases fields ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Delete Update Sort Key Index None of these Delete Update Sort Key Index None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entity instances are associated by relationship classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Sort/report generators none of the listed here require more disk space than index/report generators do not need to sort before generating a report are faster than index/report generators none of the listed here require more disk space than index/report generators do not need to sort before generating a report are faster than index/report generators ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if None of these a large computer system is available only a few transactions are involved All of these only a small computer system is available None of these a large computer system is available only a few transactions are involved All of these only a small computer system is available ANSWER DOWNLOAD EXAMIANS APP
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