I am using an SQL table to keep track of the number of meals given to students every day. The table is structured as follows: ID_Student MealDate MealType 1 2023-05-21 1 2 2023-05-21 1 1 2023-05-21 2 2 2023-05-21 2…
I am trying to insert dates along with other data into my SQL table: insert into weather values (1, 'London', -1, str_to_date('2021-01-01','y%-m%-d%')), (2, 'London', -2, str_to_date('2021-01-02','y%-m%-d%')), (3, 'London', 4, str_to_date('2021-01-03','y%-m%-d%')), but I am getting the message below: Error Code: 1411.…
I have the following query: select u.* from users u left join customers_cards cc on cc.user_id = u.id where u.belongs_to = "ezpay" and cc.id is null It returns users who have not added any card yet. I need to delete…
I have two tables Customers customer customer_name 1 Headley Quincey 2 Andie Smith 3 Sarah Johnson 4 Ernest Forrest Payments payment_id date customer sum_payment 1 2010-01-02 2 200 2 2011-06-06 3 500 3 2020-01-01 1 700 4 2020-02-01 1 100…
I'm facing this issue were i have text Appearing on the my php website but its not in the HTML here is the code <div class="row"> <div class="col"> <?php echo "<h4>Menu - ".$viewData['jobnumber']."</h4>"; ?> </div> <div class="col text-right"> <a href="dashboard.php?cat=website-content&subcat=home-content"…
I joined a table with it self and I have repeated pairs as I highlighted in the below image how to remove them? select DISTINCT A.name as name1 , B.name as name2 from (select name , ratings.* from reviewers inner…
I am currently making a project about grading system and I currently do not know how to deal with this as I am still learning. I've taken this part of code from the internet and it is not my own.…
I need a sql query to print the count of records from different table for particular column. I have tried the below but it is not working. SELECT t1.names, COUNT(t1.name) as Table1 count, COUNT(t2.FILENAME) as Table2 count FROM Table1 t1…
I am building a db with MySQL and would like to add several records at the same time, using a SELECT subquery to find values from a different table. This query inserts a track into the tbl_track and checks if…
I'm looking to get a list of all messages between users but only the latest message sent by either user A or user B in the database these fields are fromUser and toUser I need a list of the latest…