All variables must be initialized before they are used ,but not necessarily during declaration

___________set of rules that gives meaning to a language 

If will use the Compound statements the Example x = x + 5 should be:

what will be the output for this code ?   int x = 786;cout

 Data must be loaded into main memory before it can be manipulated

What is the output for the following code ?

Find top 10 customers with the highest lifetime value (total amount spent on orders). List customer’s fullname, total amount spent, the first foods they have ordered i.e. the food_names in their first order, and the last food they have ordered so far (food_names in their last order).

Which of the following antibiotics can be used for prophylaxis against infective endocarditis if a patient is allergic to penicillin?  

Which of the following statements correctly describe functional dependencies (FDs)?

What are some use cases for window functions in SQL?