The following advanced-level SQL problems are about ‘Recursion, Dependency, Nesting’. Focusing on creating new tables. L

The following advanced-level SQL problems are about ‘Function’. LeetCode 1532The Most Recent Three Orders (Medium) [link

The following advanced-level SQL problems are about ‘Rank Function’. LeetCode 176Second Highest Salary (Medium) [link] S

The following basic-level SQL problems are about ‘subquery’. LeetCode 1341Movie Rating (Medium) [link] Note: UNION ALL k

Solution to LeetCode 46 Permutations and LeetCode 47 Permutation II. LeetCode 46Permutations (Medium) [link] The differe

Solution to LeetCode 116 Populating Next Right Pointers in Each Node, LeetCode 542 01 Matrix, LeetCode 617 Merge Two Bin