Answer:
Join
Explanation:
Five basic set operators in relational algebra are as follows:
- Selection - tuple selection
- Projection - extract columns
- Cartesian product - cross product of relations
- Set union - union of two relations
- Set difference - minus operation on two relations
As we can see, Join is not part of the basic set operations but it is implemented using the Cartesian Product operator.
1. Motherboard (you plug all other components to it)
2. Processor (CPU)
3. Memory (RAM)
4. Graphics card
5. Sound card (sometimes integrated with motherboard)
6. Hard Disk Drive (HDD)
7. Power supply unit
The Canterbury Tales, written towards the end of the fourteenth century by Geoffrey Chaucer, is considered an estates satire because it effectively criticizes, even to the point of parody, the main social classes of the time. These classes were referred to as the three estates, the church, the nobility, and the peasantry, which for a long time represented the majority of the population.
Another name for a blue screen error is Blue screen of death