146 questions
You want to use AJAX + DJANGO to make sure that the value will continue to change automatically without having to manually refresh the screen.In this case, I don't know how to write the code, so I'm a...
Hello, I'm Jango and DB Wang novice. I'm writing to ask you a long db question.I wrote a script to store the contents of a site information obtained through real-time crawling in Django db.What I'm cu...
public static void delete (int id) { // Create an EntityManager EntityManager manager = ENTITY_MANAGER_FACTORY.createEntityManager(); EntityTransaction transaction = null; try { // // Get a transacti...
Hello.I am running mysql, mongodb on the aws instance. I didn't take any security measures, so I got hacked this time. No wonder the data didn't come up even if I sent the request. I thought this mess...
Hello, I'm trying to implement the comment function during the development of the bulletin board.I'm confused no matter how much I think about it and search for it.I'd like to ask for your help.First ...
Hello, db design because I don't know a lot of help to the table please.For example, a DB for managing Olympic record winning records was created as follows: The reason why I put the type column is th...
There is a table that takes the user ID (INT) and login time (Timestamp) as columns, and INSERTs the record once every time the user logs in.I'd like to get the number of duplicate daily visitors from...
Database Configuration.java Class package board.configuration;import javax.sql.DataSource;import org.springframework.boot.context.properties.ConfigurationProperties;import org.springframework.context....
While using sql statements and inserting data into the database as insert statements, it is difficult to implement a way to move over data that overlaps the key without storing it in the database. How...
Hello, everyoneI want to get a tuple with a specific string from the rails. When I do the sql door, LIKE '% specific string%' could be searched.Rails has several functions that use dbI'd like to know ...
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