I was trying to execute the below query in Db2 and its giving me some error, which I am not able to identify the root cause.Could someone please help here. with test as( select * from ( …
Can I use two values of a foreign key in on table?
I have a ‘users’ table, and there is also a table ‘alerts’. And in the ‘alert’ table, I want to use ‘users.id’ two times representing two different users of a ‘users’ table as a foreign keys in ‘alert’…
How to update empty time in datetime MySQL
We are storing datetime in a column on our MySQL database, formatted in TEXT, but when our datetime is supposed to look like below: ‘xxxx-xx-xx 00:00:00’ The time is deleted or not show on our …
Get Values between Each Comma in Seperate Row in SQL Server
I need to insert multiple rows in a database table from a single string. Here is my string it will be comma-seperated values Current string: What I want is that batch 1 should be ignored or removed and remaining part should be added into the SQL Server database as a separate row for after each comma like this…
WITH returned table behave unexpectedly when used with RETURNING in Postgresql?
I’m stumped. Why does this work fine… WITH sst AS (SELECT * FROM subtopics_results WHERE student_id = 2) SELECT * FROM subtopics_results AS str WHERE (subtopic_id,student_id) IN (SELECT …
How do I generate a table name that contains today’s date?
It may seem a little strange, but there are already tables with names for each date. In my project, I have tables for each date to make statistics easier to handle. Of course, I don’t think this is …
Use Datediff only if other column has specific value
What is the query for showing days_left in number of days but only if the status is ‘ongoing’, for the status that ‘done’ it just need to display ‘done’ value Current MySQL Query SELECT id, due_date,…
SQL Server : Remove Duplicate Records by Great Than ContactID
Have been working with the following query to help me list and find duplicates within my table. SELECT TOP 100 a.ContactID, a.[Company Name], a.PhoneNumber, a.Status, a.State FROM Contacts …
Filter and Match Column on a List of Substrings
I am attempting to filter a table of user actions on a list of specific actions. For example, given the following data I want all rows where the UserAction contains the strings “Account Creation” or “Attempt to create duplicate account”. I was able to achieve this with the following Li…
pagination and filtering on a very large table in postgresql (keyset pagination?)
I have a scientific database with currently 4,300,000 records. It’s a scientific database, and an API is feeding it. In june 2020, I will probably have about 100,000,000 records. This is de layout of the table ‘output’: BTW, this is dummy data. But output is a table with 5 columns: ID, senso…