Introduction to Database System For some relations, changing the data can have undesirable consequences called: normal forms. modification anomalies. transitive dependencies. referential integrity constraints. normal forms. modification anomalies. transitive dependencies. referential integrity constraints. 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 The logical data structure with a one-to-many relationship is a relational tree chain network relational tree chain network ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary doesn't provide information about: where data is located the size of the disk storage device It is conceptually simple It allows a many-to-many relationship It will be the dominant data base of the future where data is located the size of the disk storage device It is conceptually simple It allows a many-to-many relationship It will be the dominant data base of the future 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. Sort key Index Delete Update Sort key Index Delete Update ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes records and files None of these record relationships data elements All of these records and files None of these record relationships data elements All of these ANSWER DOWNLOAD EXAMIANS APP
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