I have a database in mysql. I want clear field contents that contains specific value. I have database like this: `id` `cat1` `cat2` `cat3` 1 1185 A1 3185 2 1585 A2 3131 3 2513 B3 3113 4 3369 C4 3333…
The following adds a country code to each new row inserted, in this case "US" for "United States". CREATE TRIGGER `country` BEFORE INSERT ON `test` FOR EACH ROW SET NEW.`countryCode` = CASE WHEN NEW.`country` LIKE 'United States' THEN 'US' END…
I'm new to databases, so I wanted to make a program to perform simple queries in mysql with C++ in VS Code, in Windows 10. Last time I had problems with linking the library, and now it seems like I…
So I can run two separate queries like this: SELECT date as date1, product as product1, product_id as product_id_1, SUM(revenue) AS rev1 FROM product_inventory WHERE date = '2021-11-17' GROUP BY date1 , product1, product_id_1 ORDER BY rev1 DESC SELECT date…
I have two tables Account table id | account_no ----------------------- 1 | 111 2 | 222 Account details id | act_id (fk) | amount | created_dt_ | created_by ------------------------------------------------ 1 | 1 | 10 | 2022-10-30 | SYSTEM 2 |…
I have been researching this for close to 4 hours but still, I can't connect my Invision Community 4 forum to my mysql ran on localhost with xampp. I can connect from the shell, but I can't connect to it…
I have 40 provider and 10,000 product but i want to show 1 product of each provider Brand Provider Product URL Lightning Pragmatic Play Madame Destiny Link Lightning Isoftbet Halloween Jack Link Lightning Pragmatic Play Sweet Bonanza Link Lightning Isoftbet…
I don' t know how to insert a row in the child table that has an attribute that references to the column ID (primary key of the father Table)in the same transaction because i dont know the father primary key…
I want to split a character string is part of the comma but the orca I try my code below it only returns me the index of the first comma and not the different strings fraction of the sentence DELIMITER…
I would like to convert strings such as "Tue, 15 May 2012 17:26:44 EST" into UTC dates, so that I can then convert them into UNIX timestamps. I tried the following but can't see a parameter for timezones in the…