Question d’entretien chez JustDial

Q. Number of island, standard leetcode coding question. Q2. DFS graph question/ Q3. Normal forms from Data base management system. Q4. Multiprocessing and Multitasking process difference Q5. Join two tables with having two columns same. Output person from a particular city. Write other query to output numner of person from that city. Q6. Time complexity, why searching algorithms has time complexity O(log*(n))