I was able to design a code to upload image and other data to the database and also display some of those data. Everything works but the image doesn’t display and the messages too don’t come up when …
Tag: sql
Using a MIN MAX query over a DISTINCT one in MySQL?
With my new job, I am needing to use SQL more and more. As I need to remove duplicate columns I thought that using a DISTINCT statement would be best. However, I was indicated that a MIN MAX statement might be more suited. As I am still fairly new to SQL I was wondering if I could get some advice
pyodbc Incorrect syntax near ‘-‘. (102)
I am trying to select all data from table that contains “-” dash symbol, and i get error cursor.execute(qStr) pyodbc.ProgrammingError: (‘42000’, “[42000] [Microsoft][ODBC SQL Server Driver][SQL …
SQL Month YTD and prior YTD data
I am trying to write a query to return Month-To-Date data for the Current Year, and also the Previous Year. Meaning I need data from 2017-07-01 to 2017-07-26 and also 2016-07-01 to 2016-07-26. However, my query currently returns data from 2017-07-01 to 2017-07-26 (correctly) but also returns data from 2016-07…
Unique constraint keys not invoked when a field is NULL
I have a table named AQI, with the following column Only one unique value of date, pollutant_code, source_id and time are able to exist, so I defined a unique constraint source_code_time_uq. And the upsert query like The upsert method work normally when all the field available, but when I put NULL in the time…
mysql statmet that match exaxct “1” using regex
I want to create a regex to find a single 1 from the flowing the following list is the sample of the column value I like to search in 1,2 2,1 3,1,2 7,171,818 71,17,11 1 Note: the needed match is bolded in the prev list Answer You can go with either approach …
Msg 242: conversion of a varchar data type to a datetime data type resulted in an out-of-range value
I have gone through a bunch of posts here with this error and tried changing data types and used Convert but nothing seems to fix this. So I would like to ask for some help here. I will try to give as much info, but feel free to ask if its not enough. This is where I am getting the
There is a way to check if a model field contains a substring?
I wanted to know if I can do things like this: More or less like this. In summary I want to search for a substring, not the string itself. Answer Take a look at Django contains and icontains
How to get string after character oracle
I have VP3 – Art & Design and HS5 – Health & Social Care, I need to get string after ‘-‘ in Oracle. Can this be achieved using substring?
Sql query to Count Total Consecutive Years from latest year
I have a table Temp: I want to calculate the total consecutive years starting from the most recent Year. Result should look like this: Answer e.g. for ID=1: As long as there’s no gap, both sequences increase the same. Now check for equal sequences and count the rows: Edit: Based on your year zero commen…