we have a ROOM database with a table containing a Date field and and an amount field. The Date field is the (@NonNull) primary key. An initial query c ...
we have a ROOM database with a table containing a Date field and and an amount field. The Date field is the (@NonNull) primary key. An initial query c ...
I've defined a model that represents a meeting, with a menu and a workout plan. The menu has a list of courses, each of which has a list of meals, and ...
Parent Table : ) Child Table : i want to update the cart_count in variant and it should also reflect in product table also as variant updated . ...
I want to delete all values inside one to many relationship Parent Table : Child Table : Relationship : Simply.. i want to delete all produc ...
I am new to databases. I am not a professional developer. I would like your advice. I want to create a database that manages the students in a class. ...
I have the following schema in my application (simplified for ease) I want to show in the UI a list as the following example The Servers are the ...
I have a model like that with models Every works like a charm, but the thing is I only want to get the age of the user and not the whole model. ...
For this transaction Query in Android Room : and this as my data class : I get the TPAGroup in the right order , but TPASecrets have not been or ...
There is an event in my project and there are timelines in this event. Each event has its own timelines. I want to list the timelines of each event wi ...
I have five tables in my database: AREA, AREA_TYPE, SAMPLE, PACK, UNIT UNIT table has three foreign keys : sample_id, area_id, pack_id Every ...
If there is a structure like my JSON structure below, how should we create Entity Classes? There are no examples of this. While @embeded was used for ...
I have a Client api. The json response looks like this: So, using the Kotlin data class file from JSON to automatically create data classes from th ...
I am working with a Room DB for recycler view. And there is a delete icon on each row to delete that item. I want to delete same item from the Room db ...
I am posting this because same issue is already there on stackoverflow but no solution on this. I am using Room library for db operations. I have crea ...
I have 2 entities: And I would like to join them in a query: Into this entity: However when I do that I get back a BookWithAuthor object in w ...
This is my entity class where beginningTime and lastTimeUsed i kept unique but when i try run app then first time i have 8 data is coming and storin ...
I looked in the android documentation for an answer to my question, but I couldn't find it. To create a recyclerview using the information contained i ...
Let's say I have an Article table like this: And there is a Reference table somewhat like this: Now I want to fetch the Article while also fetch ...
I am creating a simple android application in android studio with java. I have a roomdatabase db with a table named user that has four columns name, p ...