I have a MySQL table named products with default NULL value for size, weight, dimensions I need to fetch it to get rows with non NULL values the desired result would be like for first row : SKU name price…
Before using parameters FDQuery.Connection := FDConnection1; FDQuery.SQL.Text := 'SELECT * FROM ' + symbol + ' WHERE date >= ''' + datetostr(Dfrom) + ''' AND date <= ''' + datetostr(Dto) + ''''; FDQuery.Active := True; it can work, but after…
I am trying to create a relationship between categories and products. I have provided the various columns for both tables and I am trying to link them using a foreign id (the category_id from the category table) but I keep…
I have a posts table where tags are saved in another table. And the structure is as following. POSTS table ID TITLE 101 Something related to AUSTRALIA and CRICKET 102 Something related to INDIA and CRICKET 103 Something related to…
I have 3 tables vendors, components and catalog, here is the schema: vendors - vid,vaddress,vname components- cid, cname, type catalog- cid, vid, cost catalog is connected with the 2 tables with a foreign key vid and cid. Query: select vid…
I'm having trouble displaying data from current user. It shows all the shifts that was given to other users also. I don't have any idea how to do this. Below is my code. models.py class User(models.Model): user_name = models.CharField(max_length=32, unique=True)…
I need to compare two tables with exactly the same fields/types and identify all records which are different in at least one field or do only exist in one of the two tables. Both tables have an column id with…
I am using Ubuntu Linux 20.04.2 and MySQL 8.0.30 but when I try to compile using a Linux Terminal command like: gcc -o program program.c ‘mysql_config —libs’ I get a message like: “Error: mysql. . No such file or directory”…
I'm trying to get the start/end dates of a non-standard quarter using MySQL. This question/answer works great to get the start/end dates of standard quarters (Jan-Mar, Apr-Jun, etc.). Any suggestions on how to modify the query if the quarter does…
I have column named start im my database where i store thousands of dates (not the ones you can eat) in the following format: 2019-05-04 07:30:00 To get some stats im using google.charts and trying to group the values by…