Introduction to Database System A functional dependency is a relationship between or among attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if they have no records with the same value in the common field they have a field in common both (b) and (c) None of these they have a row in common they have no records with the same value in the common field they have a field in common both (b) and (c) None of these they have a row in common 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relational schema, each tuple is divided into fields called Relations Domains Queries All of the listed here Relations Domains Queries All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database are written in English All of these None of these can use aggregate functions like SUM and COUNT both (a) and (b) are written in English All of these None of these can use aggregate functions like SUM and COUNT both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as an orderly collection of data items a single data item None of these a general collection of data items a random collection of data items an orderly collection of data items a single data item None of these a general collection of data items a random collection of data items ANSWER DOWNLOAD EXAMIANS APP
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