Introduction to Database System A functional dependency is a relationship between or among: tables. relations. attributes. rows. tables. relations. attributes. rows. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? ZIP PACK COMMIT SAVE ZIP PACK COMMIT SAVE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file. File structure Records Fields Database File structure Records Fields Database 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. Relational database Distributed database Network database Hierarchical database Relational database Distributed database Network database Hierarchical database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation has cells that hold multi-value entries. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? records treelike structure complex logical relationships tables records treelike structure complex logical relationships tables ANSWER DOWNLOAD EXAMIANS APP
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