Introduction to Database System Which of the following is not an advantage of the data-base approach? program/data independence All of these ability to associate related data elimination of the data redundancy increased security program/data independence All of these ability to associate related data elimination of the data redundancy increased security ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to redefine a column of the table in SQL ? MODIFY TABLE all of the listed here ALTER TABLE DEFINE TABLE MODIFY TABLE all of the listed here ALTER TABLE DEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for protecting data in data communication systems All of these reducing storage space requirements None of these improving data integrity protecting data in data communication systems All of these reducing storage space requirements None of these improving data integrity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which of the following is not a data Manipulation Language Commands? CREATE SELECT UPDATE DELETE CREATE SELECT UPDATE DELETE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Tuple Key Determinant Relation Tuple Key Determinant Relation ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. True False True False ANSWER DOWNLOAD EXAMIANS APP
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