Introduction to Database System Table is synonymous with the term: column. record. relation. field. column. record. relation. field. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System After you _____ a record, many data management the environments require you to issue a command to save the changes you made. Index Update Delete Sort key Index Update Delete Sort key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Primary keys Relationships Attributes Entities Primary keys Relationships Attributes Entities ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for improving data integrity None of these All of these reducing storage space requirements protecting data in data communication systems improving data integrity None of these All of these reducing storage space requirements protecting data in data communication systems ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not the responsibility of the utilities component of DBMS software? None of these monitoring performance removing flagged records for deletion creating the physical and logical designs creating and maintaining the data dictionary None of these monitoring performance removing flagged records for deletion creating the physical and logical designs creating and maintaining the data dictionary ANSWER DOWNLOAD EXAMIANS APP
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