Introduction to Database System A command that lets you change one or more fields in a record is Modify All of these Look-up Insert None of these Modify All of these Look-up Insert None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: A → (B,C). (B,C) → A → A → A → (B,C). (B,C) → A → A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: relationships. entities. attributes. identifiers. relationships. entities. attributes. identifiers. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as None of these a general collection of data items an orderly collection of data items a single data item a random collection of data items None of these a general collection of data items an orderly collection of data items a single data item a random collection of data items ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When using a database management system, the first thing that you must do is to activate file editor load the software into your micro¬computer keep a floppy disk in readiness create a database file activate file editor load the software into your micro¬computer keep a floppy disk in readiness create a database file ANSWER DOWNLOAD EXAMIANS APP
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