Answer:
3
Explanation:
ER model can be used and is based on three basic concepts: Entities, Attributes & Relationships.
An entity can be place, person, object, event or a concept, which stores data in the database.
Relationship is nothing but an association among two or more entities. A weak entity is a type of entity which doesn't have its key attribute.
Answer:
High level Language
understand
Explanation:
rocket is 0...4433456u888
Answer and Explanation:
The binary odometer represents the large number to judge that what happened when there is a large number that gets too large
Here we visit the level 2 of the binary odometer widget in the chapter of Code studio
This represents a widget that reproduced an odometer of a car in which the tracking of a device could be known that how much far the car is driven with respect to the miles or kilometers
Answer:
18, 13, 19
Explanation:
Number of computer programmers proficient only in Java = 45 - ( 1+1+6) = 37
Number of computer programmers proficient only in C++ = 30 - (6+1+5) = 18
Number of computer programmers proficient only in python = 20 - ( 1+1+5) = 13
Number of computer programmers are not proficient in any of these three languages = 100 - ( 37 + 18 + 13 + 1+ 1+ 5+ 6 ) = 100 - 81 = 19
