I have been googling a lot concerning how microservices access a redis data but no luck finding good tutorials. Here is my use case. A user logs into the authentication microservice A (spring boot) for the first time. After being…
I have this table in my sql: 1 user1 2023-07-10 2 user1 2023-06-25 3 user2 2023-06-21 4 user3 2023-06-27 5 user3 2023-07-11 6 user4 2023-07-14 7 user2 2023-07-16 8 user1 2023-07-17 9 user4 2023-07-15 10 user5 2023-03-06 I need to…
I have a table like: create table movement_logs ( id integer NOT NULL, room_id integer NOT NULL, entry_time timestamp NOT NULL, exit_time timestamp, user_id integer NOT NULL ) This models a domain where users enter rooms. This table logs timestamps…
My table looks like this: Name Date of Birth John 02-02-1990 15:30 Esther 05-05-1980 13:30 Mark 07-10-1980 12:30 I want a query that returns this. Age Count 33 1 43 2 I've seen other solutions like what we have here…
update 20M records in table and set col1 = col2 + col3 for each record using spring boot. try (Connection connection = dataSource.getConnection()) { String updateQuery = "UPDATE table SET col1 = ? WHERE id = ?"; PreparedStatement preparedStatement =…
ERROR ImageI have Azure Managed Instance databases. In which I have a database "ABC" whose size is 568 GB. When I run DBCC Check on my database it throws below error : Msg 1823, Level 16, State 2, Line 4…
Currently I am working on an issue that happens on PostgreSQL server version 16 and does not happen with the 15 version (alongside Apache AGE). The issue happens when executing the OPTIONAL MATCH query which lead to a LEFT-JOIN Both…
As already known we can add more database connection in Laravel by updating app/config/database.php file in the connections array and using Schema::connection('mysql2')->... amd = DB::connection('mysql2')->select(...); to do queries. BUT, what if I want 50 databases or more, I can create…
I'm building a language learning platform, here are some tables: create table users ( id bigserial primary key, ... ) create table users_languages ( id bigserial primary key, user_id bigint not null constraint users_languages_user_id_foreign references users, level varchar(255) not null,…
I'm following the tutorial in Use containers for development#Get and run the sample application | Docker Docs. At step 6, instead of getting an empty [] JSON string, I get: curl http://localhost:8000/initdb init database curl http://localhost:8000/widget <!doctype html> <html lang=en>…