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
Introduction to Database System In a relation, the rows are sometimes called "fields". 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 name, width and type of the fields of each record. decide which fields will be used as sort or index keys identify the records in the list All of the listed here identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys identify the records in the list All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What software packages are commonly used for businesses that have to track extensive lists of clients and inventory? Single function application packages Custom made programs Special purpose packages Data management packages None of these Single function application packages Custom made programs Special purpose packages Data management packages None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Table is synonymous with the term: relation. field. record. column. relation. field. record. column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: foreign keys. candidate keys. composite keys. determinants. foreign keys. candidate keys. composite keys. determinants. ANSWER DOWNLOAD EXAMIANS APP
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