How to create hibernate request with localdate

I have a user who has an expiration date (dateTime), I need to display all users who have not expired yet. Tried different options with DATA (), or as an example – @Query (name = “SELECT u FROM …

MongoTimeoutException: No Server Match – MongoDB Atlas

For a few days now, I can’t connect to any of my MongoDB Databases that are hosted by Altas. I’m always getting a MongoTimeoutException Exception in thread “Thread-9” com.mongodb….

Required character converter is not available. ERRORCODE=-4220, SQLSTATE=null

The application I migrate to Java8 was running on Java7. After the migration i had to update the db2jcc.jar to latest version and yet I have the error below: Required character converter is not …

Do foreign keys in apache derby automatically populate a column?

Recently I’ve been trying to create a RDB, and the problem I’m running into is that the columns I have with a foreign key constraint will not populate with the values of the referenced column (it will …

How close possibility to add new data in H2?

I have a problem. After adding some data to database, I need to set read-only mode for whole DB. What is the easiest way to do that using h2 embedded DB with driver manager (jdbc)? Class.forName(“…

How to retrieve the data from firestore in maps

Is there any way to retrieve the data from firestore in Maps. I am trying but its returning null here is my code docRef = db.collection(“Buses”).document(“Bus1”); Button …

JOOQ: How to resolve foreign keys as objects?

Say I have a table that references another table, in this case “TestScenarios” references “TestSchemas”. So each TestScenario HAS-A TestSchema. I autogenerated DAOs, however, when fetching …

Constructor in a for loop

I’ve a beginner at java programming and I’ve been tasked at creating a database. The database is a bike store with a super class Bike and sub classes mountain bike, road bike. I also have a class …

How you create confirmation link for email?

In my project I need to send letter to user email with confirmation link. My solution: Add string column “code” and boolean column “is_active” (with default value false) to user table. When user …