Introduction to Database System In SQL, which command is used to create a database user? MK USER CREATE USER ADD USER TO DATABASE All of the listed here MK USER CREATE USER ADD USER TO DATABASE 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 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 None of these dividing documents to be entered into batches 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 None of these dividing documents to be entered into batches ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A command that lets you change one or more fields in a record is Look-up Insert Modify All of these None of these Look-up Insert Modify All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file is a measure of the percentage of existing records updated during a run refers to how closely the files fits into the allocated None of these if high, reduces processing efficiency for sequential and nonsequential files is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run refers to how closely the files fits into the allocated None of these if high, reduces processing efficiency for sequential and nonsequential files is a low percentages of number of records added or deleted from a file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An operation that will increase the length of a list is Look-up Insert All of the listed here Modify Look-up Insert All of the listed here Modify ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. False True False True ANSWER DOWNLOAD EXAMIANS APP