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I’m currently doing a student attendance program using c# and MySQL. I created a database called std_info where it keeps students information and there are nibm_id, nic, name,address,number,batch in …
I have datetime column and its values are like below 2021-04-13 15:31:59 2021-04-13 15:29:59 2021-04-12 15:31:59 2021-04-12 15:29:59 2021-04-10 15:31:59 2021-04-10 15:29:59 2021-04-8 15:31:59 2021-04-…
I have data like below mdate ————— 14 Apr 13 Apr 05 Oct 01 May 19 Jun But I am not getting any solutions how can I do that. And I need to order that data like …
I Have this table: [Messages table] I need to find the number of uniqe conversation – conversation is define as senderid sent msg to reciverid, and reciverid has replied (no matter how many times or …
I am out of option . going through many solutions nothing worked . It has been asked by many people but nothing earlier solutions worked for me . .env DB_CONNECTION=mysql DB_HOST=db DB_PORT=3306 …
I’m trying to add a new table to an already existing database but it keeps giving me an error “Unknown column ‘product_id’ in foreign key definition”. CREATE TABLE product_review ( …
Given table: +—+——-+——+—+ |id | attr | fker |did| +—+——-+——+—+ |1 | attr1 | 5 | 1| |2 | attr1 | 17 | 1| |3 | attr1 | 3 | 2| |4 | attr2 | 31 | 2| |5 | attr2 |…
Table t1: Table t2: +—-+—-+ +—-+—-+ | i1 | i2 | | d1 | d2 | +—-+—-+ +—-+—-+ | 1 | a | | 6 | k | | 2 | b | | 7 | y | | 3 | c | | 8 | z | +—-+—-+ +—-+—-+ …
I have a query that provides me with a list of productId:s that I then match with a products table.. But how would I adjust the query to give me only productId:s that are active (active=1)? My query: …