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Self Joins
- Cross Join example
- Inner Join example
joins can be inefficent - they can require moving lots of data around and increase the data process from n to n * n
| import React, { useState } from "react"; | |
| import ReactDOM from "react-dom"; | |
| const style = { | |
| table: { | |
| borderCollapse: "collapse", | |
| }, | |
| tableCell: { | |
| border: "1px solid gray", | |
| margin: 0, |