I need to find matchs between two tables, but also need to display when there is no match. Table1: id, dni_number, name, business_id Table2: id, dni, business_id I need to form a table like this: id dni name business_id is_match…
So my assignment question is to "Get a list of all books withdrawn by people with the initials 'B.W.'. Show a column for the first name, last name, initials, and the title of the book". I am trying to join…
I have a table with all the users activities and another table with all the users login events. Each of them has a datatime field (creation). I need to count for a specific user with one query how many activities…
I have the following docker-compose: version: '3.1' services: db: container_name: db image: mysql environment: - MYSQL_ROOT_PASSWORD=password - MYSQL_DATABASE=world volumes: - ./mysql-db/:/docker-entrypoint-initdb.d networks: - my-network app: depends_on: - db container_name: app build: App/ networks: - my-network networks: my-network: driver: bridge This…
I am currently fetching data using the statement $queryfetchBookings="SELECT `id`,`sessionHeld`,`fk_student_id`,`channelName`,`video_duration`,`audio_duration`,`category`,`dateBooked`,`timeSlot`,`duration`,`category`,`studentName`,`overallRating`,`chat_duration` FROM `one_to_one_bookings` WHERE fk_co_id=".$co_id; I now want to add an ORDER BY `id` ASC to the end but whatever variation I have tried results in failure.(Does not fetch data). Need…
I'm on CentOS 7(CentOS Linux release 7.9.2009 (Core)) starting from scratch on a new server trying to install MySQL (7 or 8). I have followed my steps -which I have successfully completed many times in the past, as well many…
I have a large Wordpress site with 170.000 users and a lot of daily page views. I just tuned all MySQL indexes based on several comments but actually in my slow logs the SELECT distinct wp_usermeta.meta_key FROM wp_usermeta; takes around…
When I launch XAMPP, apache works fine but mysql doesn't start, it always say: 'Failed to start "mysql": cannot start service: /opt/lampp/bin/mysql.server: 263: kill: No such process' It is weird because before, everything was working great, and one time, while…
I made middle ware for setting customize tag of login user, I want to customize tag in event Id for performance monitering.But this is not working I'm I missing something?? Need Help... <?php namespace AppHttpMiddleware; use Auth; use Closure; use…
I want to export some data from the DB. Basically what I want to say is this: 1- Select mbr_name from the members table 2- Choose the ones that exist at the course_registration table (based on mbr_id) 3- Join the…