Introduction to Database System The designer of a form includes None of these both (a) and (b) prompts data filed designators None of these both (a) and (b) prompts data filed designators ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in 5NF when multivalued dependencies are isolated in their own relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the language used by most of the DBMSs for helping their users to access data? Query language 4GL High level language SQL Query language 4GL High level language SQL ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities of a given type are grouped into a(n): database. ER attribute. entity class. database. ER attribute. entity class. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file if high, reduces processing efficiency for sequential and nonsequential files refers to how closely the files fits into the allocated is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run None of these if high, reduces processing efficiency for sequential and nonsequential files refers to how closely the files fits into the allocated is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
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