I have two queries: and The first query returns around 4000 values, the second query returns around 4100. I’m attempting to create a query that will return the rows which are distinct between the two values, I’m attempting this by using a nested or sub query but I’m struggling with syntax he…
Select timestamp with time zone, but ignore seconds
I’m selecting a timestamptz from a PosgreSQL database. I want my SELECT to return only the date, hours and minutes. No seconds. Can I set the date format in my psql SELECT to accommodate this? Answer You can use date_trunc() to truncate seconds and still return a timestamptz: Or you can use to_char() to…
SQL Select Adding a new row with difference between numbers
I have this query that give the sum between years but I want to add a new row at the end of each TARMA that give the differences between the years. Here is the query: Select VPC.Armazem as …
SQL Group By Sum and Nulls
I have a query that fetch the sum of quantity of a certain date with a GROUP BY, but the query is giving me NULL results and not aggregating some values. Here is the query: Select VPC.Armazem …
SQLAlchemy substring is in string
I am trying to query a database for records that have a string field inside an input search string. Something like this: Of course that does not work since it is not a valid SQLAlchemy statement. This seems a simple problem but I really can’t find the right column operator. I tried the in_ operator: But…
Linq query order by giving me issues
I have a stored procedure that I wrote in SSMS using joins, show below select distinct z.size, z.SortID from [ProductAttributes] x join [Product] y on x.ProductID = y.ProductID join [ProductSort] …
Postgresql ON CONFLICT in sqlalchemy
I’ve read quite a few resources (ao. 1, 2) but I’m unable to get Postgresql’s ON CONFLICT IGNORE behaviour working in sqlalchemy. I’ve used this accepted answer as a basis, but it gives I’ve tried adding the postgresql dialect to the @compile clause, renaming my object, but it do…
Is it possible to ORDER BY a computed column without including it in the result set?
I have this query: SELECT Column1, Column2, Column3, /* computed column */ AS SortColumn FROM Table1 ORDER BY SortColumn SortColumn serves no other purpose as to define an order for sorting the …
How to find top 3 topper of each subject in given table
Just want to show 3 topper of each subject Answer You can do this using variables.
What does VARBINARY(MAX) mean?
I’m trying to port a MSSQL database over to MariaDB and I’ve encountered a table creation using varbinary(max): What would this actually do and is there an equivalent type definition in MariaDB that I could use? Answer As others have stated in the comments, VARBINARY(max) in MSSQL refers to: Varia…