Introduction to Database System The logical data structure with a one-to-many relationship is a network tree chain relational network tree chain relational ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL? MODIFY TABLE DEFINE TABLE ALTER TABLE All of the listed here MODIFY TABLE DEFINE TABLE ALTER TABLE All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is None of these controlling the input of each input clerk All of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system dividing documents to be entered into batches None of these controlling the input of each input clerk All of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system dividing documents to be entered into batches ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? DB2 dBase-II R:base IDMS DB2 dBase-II R:base IDMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Key Determinant Tuple Relation Key Determinant Tuple Relation ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a data base data item record field data base data item record field ANSWER DOWNLOAD EXAMIANS APP
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