This Linq query is the same as the following SQL: SELECT Items.* FROM TagMaps INNER JOIN Items ON Item.ItemId = TagMap.ItemId WHERE TagMaps.TagId IN (12,32,24) Linq takes care of the INNER JOIN part for you, because it knows how to go from TagMap to Item.

Jun 29, 2018 · Incidentally, LINQ to SQL is not entity framework. If the former, you can set [yourDataContext].Log = Console.Out (or some other stream writer ) and get the query. In the query you have, consider writing it as follows to be able to do the ToString trick:

Apr 27, 2015 · When this is a linq-to-object call, multiple where clauses will lead to a chain of IEnumerables that read from each other. Using the single-clause form will help performance here. When the underlying provider translates it into a SQL statement, the chances are good that both variants will create the same statement.

Jan 11, 2016 · Linq to SQL multiple conditional where clauses. 1. Linq multplie where query with or operator. 0. linq ...

Aug 29, 2015 · @PersyJack LINQ to SQL generates the T-SQL query, which then runs on the SQL Server using the database settings for case-sensitivity. Although, if one is not careful, and materializes the query results, before applying LINQ to in-memory objects, they may suffer the consequences of mismatched case-sensitivity. –

Sep 1, 2008 · To extend the expression chain syntax answer by Clever Human:. If you wanted to do things (like filter or select) on fields from both tables being joined together -- instead on just one of those two tables -- you could create a new object in the lambda expression of the final parameter to the Join method incorporating both of those tables, for example:

Jun 6, 2009 · Linq to Entities - SQL "IN" clause. 0. How to use the list.Contains() method in c#. 0. How to add where ...

Mar 31, 2009 · In LINQ to SQL if your DB is properly built and your tables are related through foreign key constraints, then you do not need to do a join at all. Using LINQPad I created the following LINQ query: //Querying from both the CustomerInfo table and OrderInfo table from cust in CustomerInfo where cust.CustomerID == 123456 select new {cust, cust ...

Jan 23, 2012 · Linq to SQL: Query runs fine in SQL Server Management Studio, but times out on the application. Related ...

not really, this dumps to xml now, I'd leave the sql statement if that was the case!!, also it's not a complete sql statement, it's updating from sql2005 --> mysql – Scott Kramer Commented Jun 1, 2009 at 19:18