Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT UNIQUE None of these SELECT DISTINCT SELECT DIFFERENT All of these SELECT UNIQUE None of these SELECT DISTINCT SELECT DIFFERENT All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a _____ resembles the hierarchical model in many respects. Relational database Hierarchical database None of these Distributed database Network database Relational database Hierarchical database None of these Distributed database Network database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLESPACE is used to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace None of these to create a database trigger All of these to add/rename data files, to change storage to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace None of these to create a database trigger All of these to add/rename data files, to change storage ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Any table that meets the definition of a relation is said to be in first normal form. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields. None of these Object-Oriented Network Relational Hierarchical None of these Object-Oriented Network Relational Hierarchical ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS ranked as being the "easiest to use" in the text is Oracle Corporation's Oracle. False True False True ANSWER DOWNLOAD EXAMIANS APP
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