bluet

MariaDB Temporal Table

• hackmd version: https://hackmd.io/Iwe0MVlwRpOMZ70W1ZwPtQ?view
• gist version: https://gist.github.com/bluet/5ebdfb65f486e01c13175dcdedf27906

[TOC]

Description

This is a HOWTO for database record/value version control, not for schema.

bluet

Database Naming Convention and Data Warehouse Design Principles

• hackmd version: https://hackmd.io/1eeNAS1oQuSvMA0q6y_QuA?view
• gist version: https://gist.github.com/bluet/23e7697b86144561c4a3d804903d059d

[TOC]

ETL: From Data Lake to Data Warehouse

1. Extract 部份：取出要的資料、去雜訊、資料標準化、parsing...
2. Transform：aggregation、mapping 、combined、Change Data Types

bluet

/* eslint-disable no-console */
const EthCrypto = require("eth-crypto");
const sigUtil = require("@metamask/eth-sig-util");
const ethUtil = require("ethereumjs-util");

async function test (provider, selectedAccount) {
	// eslint-disable-next-line no-undef
	const web3 = new Web3(provider);
	//   const accounts = await web3.eth.getAccounts();
	//   selectedAccount = accounts[0];