I need to delete a lot of records at once and I need to do so based on a condition in another model that is related by a \"belongs_to\" relationship.I know I can loop through each checking for the con
The following query returns >7000 rows when each table on开发者_StackOverflow中文版ly has 340 rows.
This gives me all my articles that contain both the mentioned entities. SELECT COUNT(ArticlesEntity.article_id) AS article_count
I have a very simple small database, 2 of tables are: Node (Node_ID, Node_name, Node_Date) : Node_ID is primary key
I\'ve got the basics of LINQ-to-SQL down, but I\'ve been struggling trying to get JOINs to work properly.I\'d like to know how to convert the following to LINQ-to-SQL (ideally using method chaining, a
I\'m sure I must be making a trivial mistake here, but I\'ve been searching around for help with this problem and all I can find is information on conditional INNER JOINs.
I am trying to understand 开发者_如何学Cjoins and im a bit confused. I know how to join tables using
Table 1 2 columns: ID, Name Table 2 2 columns: ID, Name What is a query to sho开发者_运维技巧w names from Table 1 that are not in table 2? So filtering out all the names in table 1 that are in table 2
I was wondering if rather than creating another table to store the results of the MySQL JOIN query is it possible to just export a queries result, like to a CSV?
I have a very simple set-up.Table \"Node\" has a nullable foreign key \"ObjectId.\"This is represented in my database model with a one-to-many association.Now, I want to run a query that gives me all
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