Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? SAVE ZIP PACK COMMIT SAVE ZIP PACK COMMIT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System All instances of an entity class have the same attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products implemented the CODASYL DBTG model? IDMS dBase-II R:base DB2 IDMS dBase-II R:base DB2 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a record management system might be a Rolodex card file All of these a business form None of these handwritten list a Rolodex card file All of these a business form None of these handwritten list 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 Strong entity ID- independent entity Weak entity ID-dependent entity Strong entity ID- independent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity is something that can be identified in the user's work environment; something that the users want to track. False True False True ANSWER DOWNLOAD EXAMIANS APP
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