I started a django project I made some models and migrations with sqlite3 but now want to use mysql and workbench to work with and after all installations when runing python manage.py migrate or python manage.py runserver I have that…
What is the basic difference between IFNULL and ISNULL in MySQL, and how can they provide an optimized solution for handling null values? I have been using an IF condition every time, but I'm looking for a more efficient approach.…
I am trying to apply the where clause on json data instead of table and column. I have tried lots of way but didn't get the result as I want. Below is a query: select CustomerName as 'CustomerName', TRUNCATE(JSON_VALUE(BillData, '$[0].due'),…
I'm working on a project Where I want to use SQL to select the creation date, creation user and count how many unique instances. The problem is I am change the creation date into 2 separate fields of YEAR and…
I upload daily sales data into MySQL (Workbench) (AWS). Right now, our method of uploading regular dates like 5/10/2023 is to keep ANY AND ALL columns that include dates as a data type of VARCHAR. As a result I can't…
I get an error in the following Python code: My Mini Project def dbconnect(): try: db=mysql.connector.connect(host='localhost',user='SYSTEM', password='123456', database='billing_system') mycursor=db.cursor() mycursor.execute('CREATE TABLE IF NOT EXISTS bill( bill_no int NOT NULL PRIMARY KEY, c_name varchar(20) DEFAULT NULL, c_phone varchar(10) DEFAULT NULL, item…
I'm working on MySQL 8.0 and I wanted to extract characters from my data. There are variations within the same product such as flavors, prices including shipping or not, size, etc. The data includes the following products. Product Total Organic…
I'm working on MySQL Workbench 8.0. And I would like to remove all the characters after "-" or "(" Organic Rice Sticks - Spinach OR Organic Rice Sticks (Pack of Three) To Organic Rice Sticks Does MySQL have the functionality…
I'm working on MySQL workbench 8.0 and I would like to find the number of types of buyers for each product per user_id. For instance, for chairs, if user_id 1, user_id 2, and user_id 3 make purchases only once, I…
I wrote a SQL query that outputs a list of clan ids and their positions. SET @n := 0; SELECT id, @n := @n + 1 AS position FROM ( SELECT clans.id, SUM(clans_members.xp) AS xps FROM clans INNER JOIN clans_members…