Introduction to Database System A functional dependency is a relationship between or among: relations. tables. attributes. rows. relations. tables. attributes. rows. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The language used in application programs to request data from the DBMS is referred to as the query language DDL All of the listed here DML query language DDL All of the listed here DML 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 Tuple Key Relation Determinant Tuple Key Relation ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Each of data files has a _____ that describe the way the data is stored in the file. Records Database File structure Fields Records Database File structure Fields ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains None of these the names of all fields in all files the widths of all fields in all files the data types of all fields in all files All of these None of these the names of all fields in all files the widths of all fields in all files the data types of all fields in all files All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: foreign keys. determinants. candidate keys. composite keys. foreign keys. determinants. candidate keys. composite keys. ANSWER DOWNLOAD EXAMIANS APP
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