Spring Boot : How to connect with multiple databases using Spring Data JPA

#springboot #multipledatabases #springdatajpa

In this video you can learn how to develop spring boot application which can connect with multiple databases using Spring Data JPA.

In the application we have configured below 2 databases.

Database-1 : Embedded H2 Database
Database-2 : MySQL Database (AWS RDS)

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[ashokit]

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[phoneix]

Short. Precise. To the point. Great job!

[sasikumarramasamy]

Well organised content. Clear explaination steps. Gotcha in first view itself.

[nagalakshmi]

Sir simply superb great sir within 4 minutes' you completed. Thanqq soo much for sharing this video

[pratikjha]

i can't believe there are so less views and likes on this video, soon it will cross millions

[Mohamed-ufjh]

Thanks Sir ! very clear and a good explain Wow !!!

[rajendranaik]

You are the genuine Java trainer Sir.
Others focusing to earn but your content is worthful

[kalyanimvn]

Very good.and easily understand.thank yoy

[eternalgaming]

Hello Ashok, i have a problem statement - suppose i want to use 2 rdbms database one as primary and other as backup database so if i want to persist all entities to both database and retrieve the data only from primary database via repository how to configure, can you please help.

[ErLakhan]

Can you please highlight how Transactions would work?

[ADITILATKAR]

Why @primary is used in db1 configuration class and not in db2 congratulation class

[kartheeknaidu]

Very good explanation but username and password hard coded values how to do secret

[sayakrana]

Problem is i am able to connect using this but using connection pool i am unable to do it using jndi-name

[deepakpareek]

Ashok sir, if db1 table wants to use db2 tables or suppose to join db1 table to db2 wht would be solution for that

[AnubhabKundu]

You are writing in spring boot 2.x application?

[alisonwalker]

dataSource or dataSourceClassName or jdbcUrl is required. ??

[ASIFRAZA-qttf]

In case of same class name, User which is defined in two different
com.ashokit.read.User
Another one is
com.ashokit.write.User

In this case database understand which User class to use

[avonzo]

This should not work as there are conflicting names used. Same name used in the same Spring Context in multiple places. Application (Spring framework) will present an error and would not start.

[mayureshsohani]

sir can you please share code here. getting compilation errors while creating Builder object

[gobindasuniqueideas]

Not working... showing cycle dependency