I have a table which has only one row like below, Here I want to convert the column names to one column and the row into another column, with the column names converted to some predefined numbers as below (A->1E9,…
I have trouble with import of csv data into MySQL tabel The code I use looks like this : import MySQLdb import csv import sys conn = MySQLdb.connect(host="192.168.2.20", user="xxx", password="xxxx", database="admin_mt") cursor = conn.cursor() cursor.execute("TRUNCATE TABLE wp_dbo_iclock_transaction") csv_data = csv.reader(open('wp_dbo_iclock_transaction.csv'))…
I am trying to run the below query , I am getting ambiguity error in location column . Can anyone please explain what is the logical error here select firstname,lastname,location,total_count,avg_sal from employee join ( select location,count(location),avg(salary) from employee group by…
I have three tables. hospital_bed, patient and condition. each hospital bed can have one patient each patient can have many conditions, but conditions can also be null in case it is not known yet I basically want to display all…
this is an example of initial table data: | id | reservation | | -------- | ----------- | | 1 | 15 | | 2 | 0 | | 3 | 0 | | 4 | 16 | | 5…
I have a mysql database with multiple tables "InnoDB" with millions of row in it. Let say, The majority of interactions with tables are simple select/insert statements. But i have to make some Inner joints for statistics purpose. I have…
I want to upload multiple images in one single column. In my PHP form I have an input for name, upload images button and submit. I have a database table named my_images with columns id, name, and image_data. In my…
I am new to Node-JS and trying to get to grips with the asynchronous concept and promises. I am trying to ensure the availability of the DB-data at the moment the webserver is being rendered. With the code I seem…
I want to read a table with a SQL query in MySQL, which gives me the consecutive blocks of a row. The query may only last a maximum of 120 seconds, which I already exceed with my queries, I also…
I have a column that look like the following id | Text 1 | English text1 2 | English text2 3 | English text3 4 | English text4 5 | French text1 6 | French text2 7 | French text3…