Introduction to Database System A computer file can be best described as a single data item a general collection of data items None of these an orderly collection of data items a random collection of data items a single data item a general collection of data items None of these an orderly collection of data items a random collection of data items ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE VIEW command is used to define a view of one or more tables or views to recompile view to create a trigger to recompile a table to define a view of one or more tables or views to recompile view to create a trigger to recompile a table ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file None of these contains only a list of keys and record numbers is sorted in ascending order both (b) and (c) has a number assigned to each record None of these contains only a list of keys and record numbers is sorted in ascending order both (b) and (c) has a number assigned to each record ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file None of these 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 refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files None of these 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 refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database has data and relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A top-to-bottom relationship among the items in a database is established by a All of the listed here Network schema Hierarchical schema Relational schema All of the listed here Network schema Hierarchical schema Relational schema ANSWER DOWNLOAD EXAMIANS APP
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