Introduction to Database System Which command is used to remove an index from the database in SQL? DELETE INDEX REMOVE INDEX ROLL BACK INDEX DROP INDEX DELETE INDEX REMOVE INDEX ROLL BACK INDEX DROP INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The on-line, softcopy display a customer's charge account to respond to an inquiry is an examples of a on demand report forecasting report exception report regularly scheduled report on demand report forecasting report exception report regularly scheduled report ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains All of these the widths of all fields in all files the names of all fields in all files None of these the data types of all fields in all files All of these the widths of all fields in all files the names of all fields in all files None of these the data types of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An operation that will increase the length of a list is Modify All of the listed here Look-up Insert Modify All of the listed here Look-up Insert ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for improving data integrity protecting data in data communication systems All of these reducing storage space requirements None of these improving data integrity protecting data in data communication systems All of these reducing storage space requirements None of these 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? Tuple Key Relation Determinant Tuple Key Relation Determinant ANSWER DOWNLOAD EXAMIANS APP