Question
Plant food manufactured by the process of photosynthesis
in the presence of a nutrient in chlorophyll is?Solution
Magnesium is the central element present in the chlorophyll. The central magnesium atom in the chlorophyll is surrounded by a nitrogen- containing structure called a porphyrin ring.
If every non-key attribute is functionally dependent on the primary key, the relation will be in
Query optimization heuristic that “pushes selections down” improves:
Which of the following is used to remove all records from a table without removing the table structure?
Which of the following is a property of a relational database?
Which type of join returns all rows from the left table and matching rows from the right table?
What is context switching?
Which interrupt is generated by software?
The 'thrashing' in an operating system is related to:
Which normal form removes partial dependency?
A view in SQL is:
