Introduction to Database System For some relations, changing the data can have undesirable consequences called: normal forms. transitive dependencies. modification anomalies. referential integrity constraints. normal forms. transitive dependencies. modification anomalies. referential integrity constraints. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The way a particular application views the data from the data base that the application uses is a : relational model module schema subschema None of these relational model module schema subschema None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then storage space is wasted changing the data is one spot will cause data inconsistency it can be more easily accessed both (a) and (b) None of these storage space is wasted changing the data is one spot will cause data inconsistency it can be more easily accessed both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System After you _____ a record, many data management the environments require you to issue a command to save the changes you made. Sort key Update Index Delete Sort key Update Index Delete ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a logical data-base structure? relational chain tree network relational chain tree network ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When performing a look-up operation using a form All of these you look at each form sequentially until you see the one you want None of these you type the key in an entry line, and the correct form is displayed you enter the search value into the form All of these you look at each form sequentially until you see the one you want None of these you type the key in an entry line, and the correct form is displayed you enter the search value into the form ANSWER DOWNLOAD EXAMIANS APP
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