what is the difference between tuple calculus and domain
calculus ?
Answers were Sorted based on User's Feedback
Answer / kwyto
Whatever you can do in TC you can do in DC and viceversa.
The main difference is that TC refers to the relation in
rows, but DC refers to the relation in columns.
Is This Answer Correct ? | 37 Yes | 13 No |
Answer / aerwin
Tuple calculus is destructive as apposed to domain calculus. This means that in Tuple Calculus if you manipulate the data in a table all the information that is not needed is destroyed. In domain calculus this is no the case.
Is This Answer Correct ? | 24 Yes | 11 No |
define primary key index, bitmap index, hash index,virtual indwx
what is data access layer?
Can you tell any two advantages of stored procedures?
How does database replication work?
What is the candidate key used for?
What is a driver in database?
plz suggest me the books for the preparation of NIC written exam.
How many types of normalization? What is the use of it?
How do I setup a database connection?
if i want to display the name of students such that to which city they belong must have count greaer than two
Datatypes are unlimited,true or false?
What is sharded database?