Introduction to Database System In SQL, which command is used to select data in rows and column from one or more tables? CHOOSE SELECT None of these LIST BROWSE CHOOSE SELECT None of these LIST BROWSE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail All of the listed here is the recorded history of operations performed on a file can be used to restore lost information is used to make back-up copies All of the listed here is the recorded history of operations performed on a file can be used to restore lost information is used to make back-up copies ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for improving data integrity reducing storage space requirements protecting data in data communication systems All of these None of these improving data integrity reducing storage space requirements protecting data in data communication systems All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entity instances are associated by relationship classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In order to use a record management system None of these All of these Both (a) and (b) You need to understand the model the record management system uses. You need to understand the low-level details of how information in stored None of these All of these Both (a) and (b) You need to understand the model the record management system uses. You need to understand the low-level details of how information in stored ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database can use aggregate functions like SUM and COUNT None of these All of these are written in English both (a) and (b) can use aggregate functions like SUM and COUNT None of these All of these are written in English both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP