Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Bits Data field None of the listed here Characters Bits Data field None of the listed here Characters 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? PACK ZIP SAVE COMMIT PACK ZIP SAVE COMMIT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If the record management system allows you to edit values before they are recorded on disk, you can change the name of a field All of the listed here correct spelling changes before they are recorded change the width of a field change the name of a field All of the listed here correct spelling changes before they are recorded change the width of a field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database management system might consist of application programs and a software package called FORTRAN BPL AUTOFLOW TOTAL FORTRAN BPL AUTOFLOW TOTAL ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: C → (B,C) → B → A → C → (B,C) → B → A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. True False True False ANSWER DOWNLOAD EXAMIANS APP
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