Introduction to Database System Which of the following is a serious problem of file management systems? difficult to update program dependence data redundancy All of these lack of data independence difficult to update program dependence data redundancy All of these lack of data independence ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The logical data structure with a one-to-many relationship is a relational network chain tree relational network chain tree ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which of the following is not a data Manipulation Language Commands? DELETE SELECT UPDATE CREATE DELETE SELECT UPDATE CREATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A report generator is used to update files data entry all of the listed here print files on paper update files data entry all of the listed here print files on paper ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? Weak entity ID-dependent entity ID- independent entity Strong entity Weak entity ID-dependent entity ID- independent entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. True False True False ANSWER DOWNLOAD EXAMIANS APP
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