Introduction to Database System A good query system None of these can accept English language commands can be accessed only by data processing professionals allows non-programmers to access information stored in a database both (a) and (b) None of these can accept English language commands can be accessed only by data processing professionals allows non-programmers to access information stored in a database both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: candidate keys. determinants. composite keys. foreign keys. candidate keys. determinants. composite keys. foreign keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System For some relations, changing the data can have undesirable consequences called: modification anomalies. transitive dependencies. referential integrity constraints. normal forms. modification anomalies. transitive dependencies. referential integrity constraints. normal forms. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Sort/report generators none of the listed here are faster than index/report generators require more disk space than index/report generators do not need to sort before generating a report none of the listed here are faster than index/report generators require more disk space than index/report generators do not need to sort before generating a report ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products. True False True False ANSWER DOWNLOAD EXAMIANS APP
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