I'm using a while loop to populate tabs with PHP. If I assign active while it's in the loop then they are all active. This much I understand. If I only want the first item / tab to have the…
I have a "simple" query how takes 0.7678 seconds or more to be executed with MariaDB. Here is the query: select `referenceNumber` from `invoice` where `groupId` = 3550 and `referenceNumber` >= 301 order by `referenceNumber` desc limit 1; These columns…
My code : CREATE DATABASE IF NOT EXISTS thogakade; USE thogakade; CREATE TABLE customer( customerId VARCHAR(10), name VARCHAR(50), address TEXT, salary DECIMAL(10,2), CONSTRAINT PRIMARY KEY(customerId) ); CREATE TABLE order( orderId VARCHAR(30), orderDate DATE NOT NULL, custId VARCHAR(45), CONSTRAINT PRIMARY KEY(orderId),…
select * from table where '2022-09-30 13:05:30.000' between concat(start_date, ' 00:00:00.000') and concat(end_date, ' 23:59:59.999') The above example does not use index because it uses the concat function What should I do? start_date, end_date type 'yyyy-MM-dd'
I have a flights table and I need help on identifying whether the ticket number is one-way or round trip as seen in the image. Here are the specifications I need to satisfy: If there is only one coupon for…
I have a column in a table that I wish to limit to a maximum of 3 characters. The column is already populated with data upto 16 characters in the column. If I change the column will it remove all…
Hi I am trying to connect my CloudRun to CloudSQL MySQL using public IP. I can connect successfully with public ip but I needed to allow all networks 0.0.0.0 for CloudSQL. I am now trying to connect this way: public…
I have T1 which is formatted as STUDENT SCORE DATE 1 6 2022-02-01 1 0 2022-03-12 1 5 2022-04-30 1 1 2022-04-30 1 1 2022-05-14 1 1 2022-05-19 1 8 2022-05-26 2 9 2022-01-02 2 10 2022-04-11 2 2 2022-04-12…
Essentially, I am wondering if there is a way to prevent adding duplicates for two columns. Consider a table with three columns, X, Y, and Z. I would like to be able to add entries with the same X value…
So i have this technicall dilemma: I have a Wordpress site, with more than 50 categories (and rising). I want to get just the six categories with the newest article in them, and -if i get this right- i can't…