Question 565 Given a Relation POSITION (Posting- No, Skill), then query to retrieve all distinct pairs of posting-nos. requiring skill is A Select p.posting-No, p.posting No […]

Question 566 The maximum number of keys stored in a B-tree of order m and depth d is A md+1–1 B (md+1–1) / (m–1) C (m–1) […]

Question 567 The User Work Area (UWA) is a set of Program variables declared in the host program to communicate the contents of individual records between […]

Question 568 Let R1(a,b,c) and R2(x,y,z) be two relations in which a is the foreign key of R1 that refers to the primary key of R2 […]