Introduction to Database System In SQL, which of the following is not a data Manipulation Language Commands? UPDATE DELETE CREATE SELECT UPDATE DELETE CREATE SELECT 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 COMMIT PACK SAVE ZIP COMMIT PACK SAVE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Log file Master file Specialized file Update file Log file Master file Specialized file Update file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be a compound key consisting of the first name and the last name All of these None of these the pin code the last name a compound key consisting of the first name and the last name All of these None of these the pin code the last name ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? All of these data redundancy lack of data independence difficult to update program dependence All of these data redundancy lack of data independence difficult to update program dependence ANSWER DOWNLOAD EXAMIANS APP
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