Introduction to Database System Queries to a database None of these can use aggregate functions like SUM and COUNT are written in English both (a) and (b) All of these None of these can use aggregate functions like SUM and COUNT are written in English both (a) and (b) All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? Strong entity ID-dependent entity ID-independent entity Weak entity Strong entity ID-dependent entity ID-independent entity Weak entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational database model was created by E.F. Codd. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The on-line, softcopy display a customer's charge account to respond to an inquiry is an examples of a forecasting report exception report on demand report regularly scheduled report forecasting report exception report on demand report regularly scheduled report ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? No two rows in a table may be identical. The columns must be ordered. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. No two rows in a table may be identical. The columns must be ordered. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An application where only one user accesses the database at a given time is an example of a(n) ________ . data mining database application multiuser database application e-commerce database application single-user database application data mining database application multiuser database application e-commerce database application single-user database application ANSWER DOWNLOAD EXAMIANS APP
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