Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types. Table Data structure Database None of these Flat file Table Data structure Database None of these Flat file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System 1:1, 1:N and N:M relationships are also known as HAS-A relationships. True False True False 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 correct spelling changes before they are recorded change the width of a field All of the listed here change the name of a field correct spelling changes before they are recorded change the width of a field All of the listed here change the name of a field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a data base record data item field data base record data item field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which two files are used during operation of the DBMS? data dictionary and query language query language and utilities data dictionary and transaction log None of the listed here data dictionary and query language query language and utilities data dictionary and transaction log None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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