How do I go about making the in_date's end date always based on the previous week's last date? For example today is 24 April 2023, and the previous week's (Mon to Sun) last date was 16/04/2023 Expected SQL Query: SELECT…
good greeting I have a PHP query that brings data, name, and department into a table, how can I split into tables by departments, which means each department is in a table $employee_qry=$conn->query("SELECT * FROM `employee` ") or die(mysqli_error()); while($row=$employee_qry->fetch_array()){…
Here is the code: CREATE FUNCTION animal_delete_func() RETURNS TRIGGER BEGIN -- Delete the feeding schedule entries for the animal DELETE FROM feeding_schedule WHERE animal_id = OLD.animal_id; -- Delete the food entries for the animal DELETE FROM food WHERE animal_id =…
I want to make the code that if any of new column's value is null change that one to the value of row before with trigger event CREATE TRIGGER updateField BEFORE INSERT ON message FOR EACH ROW IF (NEW.COLUMN IS…
Ahh...been banging my head against this because I cant seem to figure it out. My tables: $ select * from my_family_members; +-----------+-----------+-----------------------------+ | member_id | house_id | member_name | +-----------+-----------+-----------------------------+ | 2 | 2 | Ash | | 5 |…
I need an SQL query for the next question. For example I have a table: | id | element | dt | | -------- | -------- | -------- | | 1 | a | 22/04/22 | | 2 | a…
I have this code for printing out the values of my database table and I want it to have the average <?php include('includes/header.php'); ?> <?php include_once('../config/dbcon.php'); $query="select * from testeval"; $result=mysqli_query($con,$query); ?> <!DOCTYPE html> <html> <head> <style> table, th, td{…
I have a mapping table of Parent_Node and Child_Node- Parent_Child A PARENT can have multiple CHILDs, and a CHILD can be a part of multiple PARENTs. create table Parent_Child(Parent_Id int,Child_Id int); INSERT INTO Parent_Child VALUES( 219,217); INSERT INTO Parent_Child VALUES(…
Table: Dummy |Colum1 | Colum2 | |:------|:-------| | 219 | 217 | | 219 | 218 | | 228 | 218 | | 228 | 225 | | 229 | 218 | | 229 | 220 | I need result…
Is it possible to create a list with a select statement in MySQL, without fetching data from a table? Let's say I want to use an aggregate function to calculate a sum of some values not fetched from a table.…