After installing the Mode Analytics Bridge Connector for a remote MySQL database I decided to use another type of connection. I installed this .pkg and ran this code: from this page, which won’t load without an account with Mode. Now I want to completely remove everything installed by that .pkg and undo everything done by that code. I already removed
Tag: mysql
How I can retrieve all data from the first table and some of the second table
I have two tables and the relation between them are NO. . How I can write SQl query to give me output form table1 and table2 only for who id is 5050 and the output should be like this Answer This is an example of a LEFT JOIN — keeping all the rows in the first table but only matching
ST_Distance_Sphere in mysql not giving accurate distance between two locations
My requirement is to calculate the distance between two locations on a given map using mysql. I found a function in mysql named ST_Distance_Sphere which returns the minimum spherical distance between two locations and/or multi locations on a sphere in meters. When I computed the distance between two locations using ST_Distance_Sphere and the lat_lng_distance function , I found that the
How do I get the column name of a foreign key reference in PHP
I have got two tables: category and quiz In category I have : category_id | category_name | In quiz I have : quiz_id | quiz_name | quiz_category_id| quiz_duration As you can notice, …
What is this query supposed to do? (and why does it fail?)
I’m tasked with revive this old piece of legacy software. It used to run on an old server (2012) which has died the ugly way (hard disk failure). Before this server died, the code worked without problems. I’ve rebuild the MySQL database and data from backups. However, one query is does not work and fails with error: Query preparation failed:
Count not null in sql
I have a table A with column data: I want to get a count of the invalid and blank(—). I tried : but it doesn’t work. Can someone please help me figure out what I am doing wrong here? Answer This should work as well.
How to select rows with uniq value of column and to calculate count?
I have table like this for example: I need to select each uniq column by ver and to calculate how much is total of rows by each uniq ver column I think each total to add into the new column …
Pivot Queries – trouble with SUM()
I have the following query: select extract(year from p.when_paid) yyyy, MONTHNAME(STR_TO_DATE(extract(month from p.when_paid), ‘%m’)) mm, f.name, IF(p.payment_type_id = 1,SUM(p.amount),null) MedPay, …
How to display query results in php
I know how to make a set query display, but I need to take an input, run a statement, and display the result. Here is what I have: HTML: PHP: I also want to make the statements read only so nobody can mess with my tables. im a little new to this i might need some extra explaining Answer To
MySQL rows checksum
Is it possible to select entire row in a table and get sort of checksum? I am looking for a way to tell my code to update data only if at least one record has been changed. From perspective of data …