I come from MySQL to PostgreSQL then, I created test table with BOOLEAN state column in PostgreSQL as shown below: CREATE TABLE test ( state BOOLEAN -- Here ); But, I couldn't insert TRUE with 1 and FALSE with 0…
I have the following SQL table called 'content': language contentId text en 1 Hello de 1 Hallo en 2 World My goal is to query all rows which match language='de'. But if a row with language='en' exists which has no…
Before anything, thanks you, english isn't my native language and i'm sorry for any mitsake i would make. If my question is stupid, i'm sorry too. I'm making an application, that allow to export some tables in different format csv:…
QuerySnapshot querySnapshot = await FirebaseFirestore.instance .collection('stations') .where('norequest', isGreaterThan: 9) .get(); Here i want get if 'norequest' is a whole number like 10 , 20 , 30 , 40 something like this and greater than 5 ? How can i get…
HeuteDb heute = new HeuteDb(); string filePath = @"C:UsersEliasDesktopASPlearningDATAData.csv"; using (StreamReader reader = new StreamReader(filePath)) { string line; while ((line = reader.ReadLine()) != null) { List<string> items = line.Split(';').ToList(); heute.Uhrzeit = items[0]; heute.Energie = items[1]; _context.HeutesDb.Add(heute); _context.SaveChanges(); } } I…
I have a table which somewhat looks like this Table A: Voter_id Id ---------------------- null | DEPT 1f7h null | DEPT 3k9n null | DEPT 2lp0 null | DEPT 2f6k (250,000 rows like this) This table Table A has close…
Can anyone help mi solve this problem? I want to show list of users in the app. Logcat error: E/RecyclerView: No adapter attached; skipping layout User code data class Users(val userId : String = "", val name : String =…
I'm using AWS RDS Aurora Postgres 12.9. I have a database in an "initial state" with some data on it, I want to insert/update many data on it, and then easily restore it to the "initial state" whenever I want.…
in the following example I have a company named Colors Company that owns many shops { _id: ObjectId("78391283"), name: "Colors company", shops: [ {shopID: ObjectId("123456a1cb"), income: 0}, {shopID: ObjectId("2a1cb67890"), income: 0}, {shopID: ObjectId("2a1cb010111"), income: 0}, ... ], } I need…
My question is relevant to the concept of searching data. I am developing a project with Laravel. The question is, which is efficient? Get data from the database and search through PHP, Or prepare the SQL command and search inside…