November 27, 2023UGC-NET DEC-2019 Part-2Question 10 A tree has 2n vertices of degree 1, 3n vertices of degree 2, n vertices of degree 3. Determine the number of vertices and […]
November 27, 2023UGC-NET DEC-2019 Part-2Question 15 Suppose a system has 12 magnetic tape drives and at time to, three processes are allotted tape drives out of their need as given […]
November 27, 2023Database-Management-SystemQuestion 425 B-Tree, each node represents a disk block. Suppose one block holds 8192 bytes. Each key uses 32 bytes. In a B-tree of order M […]
November 27, 2023Database-Management-SystemQuestion 424 Given two tables EMPLOYEE (EID, ENAME, DEPTNO) DEPARTMENT (DEPTNO. DEPTNAME) Find the most appropriate statement of the given query: Select count (*) ‘total’ from […]