Merge pull request #4034 from shaedrich/crud

Add topic "CRUD"

topics/crud/index.md

@@ -0,0 +1,17 @@
+---
+display_name: CRUD
+aliases: crudl, 
+short_description: CRUD is an acronym that stands for create, read, update and delete as persistent storage operations.
+topic: crud
+related: sql, database, query, rest
+wikipedia_url: https://en.wikipedia.org/wiki/CRUD
+created_by: James Martin
+released: 1983
+---
+**CRUD** is an acronym that stands for create, read, update and delete in the context of database queries or HTTP verbs in case of REST APIs.
+| CRUD | SQL | HTTP |
+|-|-|-|
+| **C**reate | `INSERT` | `POST` |
+| **R**ead | `SELECT` | `GET` |
+| **U**pdate | `UPDATE` | `PUT` to replace, `PATCH` to modify |
+| **D**elete | `DELETE` | `DELETE` |