100
questions
0
votes
0
answers
12
views
PHP code issue causing grid container and bootstrap 5 cards (grid-items) not to render on web-page loading?
I am trying to create a grid container that will dynamically display bootstrap cards of treeseed items that I added to MySQL database.The items should be displayed on the shop portion of a webpage I ...
- 13
-4
votes
0
answers
22
views
Case statment in where clause
I have multiple join tables that I need to filter out with account id and service id
my filters are account_id IN **(1,2,3,4,5)** and service_id **A1,A2,B1,B2**
my requirement for the where clause is
...
- 1
0
votes
0
answers
13
views
SQL Challenge: Find correct rows that correspond to a year after the last reinstatement event
I have a database filled with customer login data for a website. An example of the pertinent data can be viewed below.
INPUT
Unique ID
Login_Date
1
'2019-02-01'
1
'2019-12-15'
1
'2020-03-12'
1
'...
- 1
0
votes
1
answer
17
views
Separating one mysql row into n different ones
My company's client has a table to store inventory data, this inventory separates products using a column called product_code, and it has another column called Qtd that stores how many of the same ...
0
votes
2
answers
23
views
Count by occurrences
I have a query similar to:
select *
from combined
where valid_rating is null
order by FIND_IN_SET(provider,
(select provider
from combined
where valid_rating is null group by ...
- 109k
0
votes
0
answers
15
views
SQL query use rules for two tables and return results then third table
I'm trying to use rules from 2 tables in sql to add data from a third one, so far I haven't gotten the expected result, it's causing a conflict. Below is an example of the 3 tables and the expected ...
1
vote
2
answers
25
views
how mysql process select with many value in IN clause
For sql like select * from table where fieldA in (...), if there are lots of values in parentheses(like 1000 values), and there is a B-tree index on fieldA. How mysql execute this sql.
Does it work ...
- 1,357
0
votes
1
answer
13
views
working of mysql window function on top of group by
Consider the table below:
ordersdetails(order_id,product_id,quantity)
(https://i.sstatic.net/gwBbscCI.png)[INPUT TABLE]
The Query that works:
select order_id,max(quantity) as max_qty,
max(avg(quantity)...
- 1
-1
votes
0
answers
20
views
Why do multiple records Create a new table? [closed]
I have a script that displays database info. I have the info being retrieved correctly. My problem is in displaying said info.
I have the below code to populate a table with the info. The info isn't ...
0
votes
0
answers
39
views
Why is my SQL query so slow when using JOIN on large tables?
I'm working on a SQL query that joins two large tables, but it’s taking much longer to execute than expected. Here’s an example of my query:
SELECT a.id, a.name, b.order_date
FROM customers a
JOIN ...
- 621
-3
votes
1
answer
39
views
Request become very long when using "GROUP BY"
I try to optimize my website and found some SQL queries which are long (3-4 seconds), when I created the site years ago, databases was empty so I thought SQL request was good, but now I have 100,000 ...
- 1,537
0
votes
1
answer
26
views
in MySQL generated columns referring to current_timestamp fail
Given this table structure:
CREATE TABLE t3 (
`id` bigint NOT NULL AUTO_INCREMENT,
`abc` bigint NOT NULL,
`ts` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
`createdday` int GENERATED ALWAYS ...
- 61
0
votes
0
answers
15
views
MySql in Kuberentes cluster wont allow connections even from inside the container
Kubernetes beginner here.
I've stumbled upon a weird problem.
I just started using kubernetes and have succesfully created a cluster with a master and worker node.
(i have already gotten a nginx ...
0
votes
0
answers
14
views
Subquery in From Doctrine 2
I have been trying really hard to figure this out by myself but i can't seem to find any solution. So here we go!
I have two entities with income and cost and they are attached to a third entity ...
0
votes
0
answers
16
views
Database design for e-commerce site with 2 product categories [closed]
I've a requirement to design a database for an e-commerce app that has 2 type of categories: e-books and workout_plans and these 2 categories have different kind of features. Im a bit confused on the ...
