For every relationship, how many possible types of actions are there when enforcing minimum cardinalities?

Related MCQs

• Changing cardinalities in a database is:
• A table on the many side of a one to many or many to many relationship must:
• Which of the following can be addressed by enforcing a referential integrity constraint?
•                          is preferred method for enforcing data integrity
• ………………… is preferred method for enforcing data integrity
• ……………… defines rules regarding the values allowed in columns and is the standard mechanism for enforcing database integrity.
• A relation project guidance Project Guidance(professor, project, student no. st-name, dept) A professor can give many projects to many students A project will have many students A project may be guided by many professors The 4 NF relation corresponding to this are
• In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity.
• How many types of indexes are there in sql server?
• Entity Relationship model consists of collection of basic objects called _________ and relationship among these objects.