Introduction to Database System A functional dependency is a relationship between or among: tables. rows. attributes. relations. tables. rows. attributes. relations. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The modify operation is likely to be done after All of these Insert None of these Look-up Delete All of these Insert None of these Look-up Delete ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? No two rows in a table may be identical. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. The columns must be ordered. No two rows in a table may be identical. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. The columns must be ordered. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains the data types of all fields in all files the names of all fields in all files None of these All of these the widths of all fields in all files the data types of all fields in all files the names of all fields in all files None of these All of these the widths of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database management system None of the listed here allows simultaneous access to multiple files Both of the listed here can do more than a record management system None of the listed here allows simultaneous access to multiple files Both of the listed here can do more than a record management system ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier determines the type of relationship that an entity has. True False True False ANSWER DOWNLOAD EXAMIANS APP
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