From 070e687c073ecab939923ca63b72a4bab3410d00 Mon Sep 17 00:00:00 2001 From: johnA1331 <53036378+johnA1331@users.noreply.github.com> Date: Wed, 1 Sep 2021 21:57:28 +0800 Subject: [PATCH] Update README.md --- persistence-modules/java-jpa-3/README.md | 1 + 1 file changed, 1 insertion(+) diff --git a/persistence-modules/java-jpa-3/README.md b/persistence-modules/java-jpa-3/README.md index c024d7c540..d517c55d7a 100644 --- a/persistence-modules/java-jpa-3/README.md +++ b/persistence-modules/java-jpa-3/README.md @@ -13,3 +13,4 @@ This module contains articles about the Java Persistence API (JPA) in Java. - [Returning an Auto-Generated Id with JPA](https://www.baeldung.com/jpa-get-auto-generated-id) - [How to Return Multiple Entities In JPA Query](https://www.baeldung.com/jpa-return-multiple-entities) - [Defining Unique Constraints in JPA](https://www.baeldung.com/jpa-unique-constraints) +- [How to Check Field Existence in MongoDB?](https://www.baeldung.com/mongodb-check-field-exists)