Introduction to Database System Updating a database means modifying or adding record occurrences reorganizing the database all of the listed here revising the file structure modifying or adding record occurrences reorganizing the database all of the listed here revising the file structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A logical schema is a standard way of organizing information into accessible parts All of these is the entire database describes how data is actually stored on disk None of these is a standard way of organizing information into accessible parts All of these is the entire database describes how data is actually stored on disk None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among: tables. rows. attributes. relations. tables. rows. attributes. relations. 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 In SQL, which command is used to add new rows to a table? ALTER TABLE APPEND INSERT ADD ROW ALTER TABLE APPEND INSERT ADD ROW 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
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