Question 62 When transaction T​ i​ requests a data item currently held by T​ j​ , T​ j​ is allowed to wait only if it has […]

Question 18 The process of removing deficiencies and loopholes in the data is called as____ A Data aggregation B Extraction of data C Compression of data […]

Question 51 Given a relation schema R(ABCDEFGH) in first normal form. For the set of dependencies F={ A→ B, A→ C, CG→ H, B→ H, G→ […]