SQL_Learning

SQLSelect1. output specific content of the table with conditionsselect contentfrom tablewhere condition#if the condition has specific content#example
Leetcode SQL 2022/07/31 513 views

Leetcode-102-Binary Tree Level Order Traversal

Binary Tree Level Order Traversalleetcode: https://leetcode.com/problems/binary-tree-level-order-traversal/Description:Given the root of a binary tree
Leetcode Binary Tree 2022/07/19 465 views

Leetcode-145-Binary Tree Postorder Traversal

Binary Tree Postorder Traversalleetcode: https://leetcode.com/problems/binary-tree-postorder-traversal/submissions/Description:Given the root of a bin
Leetcode Binary Tree 2022/07/18 619 views

Leetcode-94-Binary Tree Inorder Traversal

Binary Tree Inorder Traversalleetcode: https://leetcode.com/problems/binary-tree-inorder-traversal/Description:Given the root of a binary tree, return
Leetcode Binary Tree 2022/07/18 474 views

Leetcode-144-Binary Tree Preorder Traversal

Binary Tree Preorder Traversalleetcode: https://leetcode.com/problems/binary-tree-preorder-traversal/Description:Given the root of a binary tree, retu
Leetcode Binary Tree 2022/07/18 415 views

Leetcode-347-Top K Frequent Elements

Top K Frequent Elementsleetcode: https://leetcode.com/problems/top-k-frequent-elements/Description:Given an integer array nums and an integer k, retur
Leetcode Stack and Queue 2022/07/17 466 views

Leetcode-239-Sliding Window Maximum

Sliding Window Maximumleetcode: https://leetcode.com/problems/sliding-window-maximum/Description:You are given an array of integers nums, there is a s
Leetcode Stack and Queue 2022/07/17 434 views

Leetcode-150-Evaluate Reverse Polish Notation

Evaluate Reverse Polish Notationleetcode: https://leetcode.com/problems/evaluate-reverse-polish-notation/Description:Evaluate the value of an arithmet
Leetcode Stack and Queue 2022/07/17 386 views

Leetcode-1047-Remove All Adjacent Duplicates In String

Remove All Adjacent Duplicates In Stringleetcode: https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string/Description:You are given a s
Leetcode Stack and Queue 2022/07/16 508 views

Leetcode-20-Valid Parentheses

Valid Parenthesesleetcode: https://leetcode.com/problems/valid-parentheses/Description:Given a string s containing just the characters '(', ')', '{',
Leetcode Stack and Queue 2022/07/16 409 views