Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Primary keys Entities Relationships Attributes Primary keys Entities Relationships Attributes 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. Update Delete None of these Sort Key Index Update Delete None of these Sort Key Index 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 Determinant Key Relation Tuple Determinant Key Relation ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relations are categorized into normal forms according to the referential integrity constraints that they have. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A network schema restricts the structure to a one-to-many relationship All of the listed here stores data in tables permits many-to-many relation¬ships restricts the structure to a one-to-many relationship All of the listed here stores data in tables permits many-to-many relation¬ships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a relational database? Reflex FoxPro dBASE IV 4th Dimension Reflex FoxPro dBASE IV 4th Dimension ANSWER DOWNLOAD EXAMIANS APP
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