Introduction to Database System The data dictionary tells the DBMS All of the listed here what files are in the database what these files contain what attribute are possessed by the data All of the listed here what files are in the database what these files contain what attribute are possessed by the data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in this form if it is in BCNF and has no multivalued dependencies: second normal form. fourth normal form. domain/key normal form. third normal form. second normal form. fourth normal form. domain/key normal form. third normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Network database Distributed database Hierarchical database Relational database Network database Distributed database Hierarchical database Relational database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Keys made up of two or more attributes are called composite keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Update file Master file Specialized file Log file Update file Master file Specialized file Log file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Instance entity Supertype entity Subtype entity Archetype entity Instance entity Supertype entity Subtype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
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