Question 695 In transaction management od database, ‘After a transaction completes successfully the changes it has made to the database persists even if there are system […]

Question 696 A relation that is not of connected model but is made visible to a user as a virtual relation is called: A Table B […]

Question 697 To add attributes to an existing relation __ commands is used: A Update table B Alter table C Change table D Add table Database-Management-SystemSQLJT(IT) […]

Question 698 Buying and selling goods over the internet is called: A Euro-conversion B Hyper-marketing C Cyber-Selling D E-Commerce Database-Management-SystemE-CommerceKVS DEC-2017 Question 698 Explanation:  → Online […]