Introduction to Database System In SQL, which of the following is not a data Manipulation Language Commands? SELECT CREATE DELETE UPDATE SELECT CREATE DELETE UPDATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains the data types of all fields in all files All of these the names of all fields in all files None of these the widths of all fields in all files the data types of all fields in all files All of these the names of all fields in all files None of these the widths of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes None of these All of these data elements record relationships records and files None of these All of these data elements record relationships records and files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When designing a database, first identify the entities, then determine the attributes, and finally establish the relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The logical data structure with a one-to-many relationship is a relational chain network tree relational chain network tree ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data-base environment has all of the following components except: separate files data base None of these users data-base administrator separate files data base None of these users data-base administrator ANSWER DOWNLOAD EXAMIANS APP
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