I have an SQL query that looks as follows:This query returns the follow error message:Unknown column 'users.language_preferred_id' in 'on clause'
I am trying to GroupJoin some data with an IQueryable and project that data into an anonymous type. The original entity that I am GroupJoining onto has an ICollection navigation property (ie. one:many). I want to eager load that property so I can access it after the group join without...
I'm having an issue at the moment which I am trying to fix. I just tried to access a database and insert some values with the help of C#
when I run the following script:I was expecting that I get a new column created with each row having a random number. However, I get back a column containing the same number for all the rows in the table.
This is the last edition. I have tried to express clearly.I know that there are several ways to find which row's column contains a string, like using [column name] regexp ' ' or [column name] like ' '
Problem 1How can I get lowest value from table (not null), for ID_CAR? For example, for ID_CAR 1 lowest value is 50, for ID_CAR 2 lowest value is 50 and for ID_CAR 3 lowest value is 300. I don't need duplicates, I need only one value for one car.
Usually we are sending requests from the browser, however I'm wondering if a database can also do the same thing. Let say I have a servlet on my server and an Oracle database.