第689天 教娃编程 - SQL 确定二叉树节点类型(左/右连接 - 过程消除算法)

第689天 教娃编程 - SQL 确定二叉树节点类型(左/右连接 - 过程消除算法)

List of All Tutorial Videos

Post: Day 689 - Teaching Kids Programming - SQL to Determine the Binary Tree Node Types (Left/Right Join - Process Elimination)

• B 站: www.bilibili.com/vid...

• 西瓜: www.ixigua.com/73959...

• 目录: zhihua-lai.com/teach...

• List of Videos: zhihua-lai.com/teach...

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Thank you for reading ^^^^^^^^^^^^^^^

NEW! Following my Trail (Upvote or/and Downvote)

Follow me for topics of Algorithms, Blockchain and Cloud.
I am @justyy - a Steem Witness
steemyy.com

My Contributions/Activities

• Video Downloader

• Steem Blockchain Tools, Services and API

• Free Cryptos API

• VPS Database

• Computing Technology Blog

• A few useless tools

• And some other online software/tools

• Merge Files/Videos

• Teaching Kids Programming - Youtube Channel and All Contents

Simple STEEM Swaps

I have made the following Simple STEEM Swap Tools:

• Super Easy/Handy Service to Convert your STEEM or SBD to SOL Solana

• Super Easy/Handy Service to Convert your STEEM or SBD to ETH Ethereum

• Super Easy/Handy Service to Convert your STEEM or SBD to USDT Tether (TRC-20)

• Super Easy/Handy Service to Convert your STEEM or SBD to TRX (TRON)

• Super Easy/Handy Service to Convert your STEEM or SBD to BTS (BitShares)

Delegation Service

Voting Power Considered in Voting Schema and Important Update of Delegation Service!

• Delegate 1000 to justyy: Link

• Delegate 5000 to justyy: Link

• Delegate 10000 to justyy: Link

Support me

If you like my work, please:

• Buy Me a Coffee, Thanks!

• Become my Sponsor, Thanks!

• Become my Patreon, Thanks!

• Voting for me:
  steemit.com/~witness... type in justyy and click VOTE
  

1. Delegate SP: steemyy.com/sp-deleg...

2. Vote @justyy as Witness: steemyy.com/witness-...

3. Set @justyy as Proxy: https://steemyy.com/witness-voting/?witness=justyy&action=proxy
   Alternatively, you can vote witness or set proxy here: steemit.com/~witness...

Steem to the Moon🚀!

• You can swap the STEEM/SBD to SOL Solana via steem2sol!

• You can swap the STEEM/SBD to ETH Ethereum steem2eth!

• You can swap the STEEM/SBD to Tether USDT (TRC-20) via steem2usdt!

• You can swap the STEEM/SBD to TRX (TRON) via steem2trx!

• You can swap the STEEM/SBD to BTS (BitShares) via steem2bts!

• Register a free STEEM account at SteemYY!