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. Index None of these Sort Key Update Delete Index None of these Sort Key Update Delete ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file refers to how closely the files fits into the allocated is a low percentages of number of records added or deleted from a file None of these is a measure of the percentage of existing records updated during a run 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 None of these is a measure of the percentage of existing records updated during a run if high, reduces processing efficiency for sequential and nonsequential files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The modify operation is likely to be done after Insert Delete All of these None of these Look-up Insert Delete All of these None of these Look-up ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A report generator is used to data entry all of the listed here update files print files on paper data entry all of the listed here update files print files on paper ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to redefine an index's future storage allocation MODIFY INDEX None of these REDEFINE INDEX ALTER INDEX DO INDEX MODIFY INDEX None of these REDEFINE INDEX ALTER INDEX DO INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type related to many entity instances of another type? One-to-One Relationship Composite Relationship Many-to-Many Relationship One-to-Many Relationship One-to-One Relationship Composite Relationship Many-to-Many Relationship One-to-Many Relationship ANSWER DOWNLOAD EXAMIANS APP
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