Introduction to Database System In SQL, which of the following is not a data Manipulation Language Commands? DELETE SELECT CREATE UPDATE DELETE SELECT CREATE UPDATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Updating a database means reorganizing the database modifying or adding record occurrences all of the listed here revising the file structure reorganizing the database modifying or adding record occurrences all of the listed here revising the file structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail can be used to restore lost information is the recorded history of operations performed on a file is used to make back-up copies All of the listed here can be used to restore lost information is the recorded history of operations performed on a file is used to make back-up copies All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The XML family of standards is very important in database processing today. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the rows matters. True False True False 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? Strong entity Weak entity ID- independent entity ID-dependent entity Strong entity Weak entity ID- independent entity ID-dependent entity ANSWER DOWNLOAD EXAMIANS APP
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