I am using Spring boot with Mysql. I have implemented Datasource and defined properties in application.xml file. I have a long running query: @Query(value - "select sleep(10)", nativeQuery=true) public void test(); in JPA repository methods. I want to implement query…
I am looking to rename all files from .jpg to .jpeg if they exist in the column. structure: tables: table1, table2, ... column1 column2 image1.jpg id1 image2.jpg id2 image3.jpeg id3 id4 Change image1.jpg to image1.jpeg in table1, column1 for the…
Is there a way to authenticate a remote MySQL/MariaDB user against the local Linux user account by the same username? I am thinking maybe there is a plugin that validates the user using /etc/passwd? Hypothetical example: CREATE USER 'newuser'@'remotehost' IDENTIFIED…
I am trying to get the average ride length duration for casual and member riders from the dataset "all_year" and list it as average_trip_duration_all_year Code I am trying to run: SELECT member_casual, CASE WHEN member_casual = 'member' THEN (SELECT AVG(ended_at…
This error comming from my hosted node mysql application. It's wokrs fine in my local computer node:events:491 throw er; // Unhandled 'error' event ^ Error: read ECONNRESET at TCP.onStreamRead (node:internal/stream_base_commons:217:20) Emitted 'error' event on Connection instance at: at Connection._handleProtocolError (/home/ufkgmlcg/nodevenv/happyface_social/16/lib/node_modules/mysql/lib/Connection.js:423:8)…
I have an input column in my MySQL database that ends with the 64-character long hexadecimal strings. Example: 0000000000000000000000000000000000000000019d971e4fe8401e74000000 I am using the following SUBSTRING(input, 139, 64) to get it out and then trim leading zeros from the string using…
I am using mysql innodb database. I thought I had understood the locking mechanism of mysql. But I found an example, which conflicts with my understanding.See the example below (verified in version 5.7.32 with rc isolation level). create table Create…
I have two tables. A: id, email, ... (email can have duplicates) B: id, email, ... (email is unique) I want to only allow new entries in B where the email already exists in A. Is there some way to…
So the date in my DGV table showed this format (12/31/2022 12:00:00 AM) I tried to get rid of the time to make it (12/31/2022) when I did that my date format got messed up it became (202,231,12). How do…
I have values array as : const params = [ ['2022-12-10', 'aaaaa', '2022-12-01', 'xhxha', '2022-12-10'], ['2022-12-11', 'ababa', '2022-12-01', 'xhxha', '2022-12-11'], ['2022-12-12', 'acaca', '2022-12-01', 'xhxha', '2022-12-12'], ['2022-12-13', 'adada', '2022-12-01', 'xhxha', '2022-12-13'], ]; const data = await db.query(`select id, title, DATE_FORMAT(end_date,"%Y-%m-%d") as…