Introduction to Database System The Management Information system (MIS) structure with one main computer system is called a distributed MIS structure centralized MIS structure hierarchical MIS structure decentralized MIS structure distributed MIS structure centralized MIS structure hierarchical MIS structure decentralized MIS structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System For some relations, changing the data can have undesirable consequences called: normal forms. transitive dependencies. modification anomalies. referential integrity constraints. normal forms. transitive dependencies. modification anomalies. referential integrity constraints. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. False True False True 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 All of these the data types of all fields in all files the widths of all fields in all files None of these the names of all fields in all files All of these the data types of all fields in all files the widths of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? records complex logical relationships treelike structure tables records complex logical relationships treelike structure tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to changes data in a table? UPDATE INSERT APPEND BROWSE UPDATE INSERT APPEND BROWSE ANSWER DOWNLOAD EXAMIANS APP