Introduction to Database System The modify operation is likely to be done after All of these Look-up Insert Delete None of these All of these Look-up Insert Delete None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be a compound key consisting of the first name and the last name the pin code None of these All of these the last name a compound key consisting of the first name and the last name the pin code None of these All of these the last name ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a relational database? FoxPro Reflex dBASE IV 4th Dimension FoxPro Reflex dBASE IV 4th Dimension ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The only reason for the existence of relations is to store instances of functional dependencies. True False True False 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 identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys All of the listed here identify the records in the list identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file contains several records. What does each record contain? Bytes Database Words Fields Bytes Database Words Fields ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS