Introduction to Database System A computer file can be best described as a single data item None of these a random collection of data items a general collection of data items an orderly collection of data items a single data item None of these a random collection of data items a general collection of data items an orderly collection of data items ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for All of these improving data integrity protecting data in data communication systems None of these reducing storage space requirements All of these improving data integrity protecting data in data communication systems None of these reducing storage space requirements ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entity instances are associated by relationship classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a record management system might be All of these handwritten list a business form None of these a Rolodex card file All of these handwritten list a business form None of these a Rolodex card file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System To have a file hold a list, it is necessary to identify the records in the list All of the listed here identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys identify the records in the list All of the listed here identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which language has recently become the de-facto standard for interfacing application programs with relational database system? 4GL dBASE Oracle None of these SQL 4GL dBASE Oracle None of these SQL ANSWER DOWNLOAD EXAMIANS APP
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