Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Attributes Entities Primary keys Relationships Attributes Entities Primary keys Relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type related to many entity instances of another type? One-to-One Relationship Many-to-Many Relationship One-to-Many Relationship Composite Relationship One-to-One Relationship Many-to-Many Relationship One-to-Many Relationship Composite Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not an advantage of the data-base approach? elimination of the data redundancy All of these ability to associate related data increased security program/data independence elimination of the data redundancy All of these ability to associate related data increased security program/data independence ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A logical schema is a standard way of organizing information into accessible parts None of these is the entire database describes how data is actually stored on disk All of these is a standard way of organizing information into accessible parts None of these is the entire database describes how data is actually stored on disk All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS ranked as being the "hardest to use" in the text is Microsoft's SQL Server. False True False True ANSWER DOWNLOAD EXAMIANS APP
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