Write PUSOL or T-SOL procedures to accomplish the following tasks: a. Obtain the name and credit limit of the customer whose number currently is stored in I- CUSTOMER - NUM. Place these values in the variables I- CUSTOMER - NAME and I_CREDIT_LIMIT, respectively. Output the contents of I_CUSTOMER_NAME and I- CREDIT- LIMIT. in g

Hassan is writing his master’s thesis, which is a thirty-page document. he received some feedback from his professor in the form of comments, but does not see where the comments are. what is the fastest way for hassan to find the feedback?

Which option correctly describes a dbms application? a. software used to manage databases b. software used to organize files and folders c. software used to develop specialized images d. software used to create effective presentations

Suppose there is a relation r(a, b, c) with a b+-tree index with search keys (a, b).1. what is the worst-case cost of finding records satisfying 10 < a < 50 using this index, in terms of the number of records n1, retrieved and the height h of the tree? 2. what is the worst-case cost of finding records satisfying 10 < a < 50 and 5 < b < 10 using this index, in terms of the number of records n2 that satisfy this selection, as well as n1 and h defined above? 3. under what conditions on n1 and n2, would the index be an efficient way of finding records satisfying the condition from part (2)?