Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. True False True False 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? Determinant Key Tuple Relation Determinant Key Tuple Relation ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS that is most difficult to use is ________ . IBM's DB2 Microsoft's Access Microsoft's SQL Server Oracle Corporation's Oracle IBM's DB2 Microsoft's Access Microsoft's SQL Server Oracle Corporation's Oracle ANSWER DOWNLOAD EXAMIANS APP
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 Delete Sort Key None of these Update Index Delete Sort Key None of these Update ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? There is common sharing of data among the various applications It is inflexible It is file-oriented Programs are dependent on the files All of these There is common sharing of data among the various applications It is inflexible It is file-oriented Programs are dependent on the files All of these ANSWER DOWNLOAD EXAMIANS APP
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