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Getting sum of an alias

Trying to take the sum of the alias studentsnotreviewed, what is the best way to approach this I’ve been stuck trying different things. I want to get the total number for the alias of studentsnotreviewed. [Sample data] School examID examstart examend studentsnotreviewed duedate sum 343 458092 Mar 16, 20…

Create SQL statement with mulitple AND

I have a problem with creating right SQL request. This is my table: I would like to display all items that: -Are in warehouse A in number less than 2 -Are in watehouse B in number grater than 0 At the same time. I would expect item1 will be displayed. My code so far is: I know that warehouse =

Cannot evaluate whether a SUM is null or even greater than 0

I have a simple query here: When I pass an IssueId that does match the criteria, the CASE works, but when I willingly pass an IssueId that I know will return no rows, 0 is not being returned. I get this in SQL studio: The idea here is to determine whether the sum is NULL, 0 or greater so a

Extremely Huge time take for executing my following query?

I just make some queries for select data from my server. The query is: But this query almost take one day. Any idea for optimize this query please? Answer You provide close to no information that is required to help with performance problem, so only a general checklist can be provided Check the Query The quer…

SQL add a column with COUNT(*) to my query

I need to add a column with the content of this query : to this query : I tried adding a LEFT JOIN like that: with this line in my WHERE statement : and this line in my SELECT : but I get an error : I don’t understand how I could perform this action properly Answer To count something,

January 1st = Week 1

The below gives me week numbers where week 1 starts on 1/4/2021 date_trunc(‘week’, transaction_date) as week_number How can I create a week_number where the week starts on January 1st and counts …

Oracle 12c Json split

This is how I am getting result in Oracle 12c Id Start Date Range End Date Range 1 [ “2019-01-07″,”2019-02-17″,”2019-03-17”] [ “2019-01-14″,”2019-02-21″,”2019-03-21”] And I want it Id Start Date Range End Date Range 1 2019-01-07 2019-01-1…

Flutter Insert data into the database sqflite

I need to insert the data one at a time and add it to the end of the string, but what happens is that the way I’m doing is overwriting the data Output: This is my SQL: Output SQL: I need it to be like this: Answer According to my comment, use 3 tables : RECEIPTS id nameReceipt descReceipt 1