Question 270 Considering binary relationships, possible cardinality ratios are: A one : one B 1 : N C M : N D All the options Database-Management-SystemER-ModelNIC-NIELIT […]

Question 673 Let M and N be two entities in an E-R diagram with simple single value attributes. R​ 1​ and R​ 2​ are two relationship […]

Question 31 In DBMS, deferred update means : A All the updates are done first but the entries are made in the log file later B […]

Question 618 An Entity – relationship diagram is a tool to represent : A Data model B Process model C Event model D Customer model Database-Management-SystemER-ModelUGC […]