Ask springboot2 to combine mysql and mongodb runnable documents at the same time?

for example, ask for documents that can be run by combining springboot2 with mysql and mongodb at the same time

Mongodb mysql springboot
Mar.01,2021

https://gitee.com/skyarthur19.

there are both source code and documentation. You can learn while practicing

Chapter 3-2-3, 3-2-4, introduce mysql, 3-2-6 introduce mongodb

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1bf465d-31eeb.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bf465d-31eeb.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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