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Tag: join

How to use get value from multiple tables using left join?

I have these 3 Tables. Now I need to show the timezone name from the timezone table in the Devices Table by using left join. How can i do that? Please Help Table Name : [pbi].[GEOTAB_INFO_GROUPS] Table Name : [adl].[GEOTAB_VEHICLE_INFO_DEVICES] Table Name : [pbi].[Location_Time_Zone] I Am trying like this but not getting the correct result Answer

How can I join 4 tables

Please help to modify the below code. I want to join these two select queries such that I can get a single output with records from two diff tables ? I have 4 tables, table_a has the user id that I have to use to search table_b1 has the foreign key for table_c which has the name that I want

Return IEnumerable rather IEnumerable

I need to join two tables and get the data from one of the table using linq. The join works fine but it returns IEnumerable <$IEnumerable><$Ojbect> and I need IEnumerable<$Object> Here is the code: Thanks Answer In general, when you want to “flatten” a collection, SelectMany is the construct you’re looking for. In LINQ Query Syntax, that’s accomplished with multiple

Find ID which doesn’t exist from another table

I am studying SQL and I am not sure which is the way to filtering data. For example, there I have two tables: Reference_OrderTable: OrderID Item Price OrderTable: OrderID Item Price Reference_Ordertable: this table has all the type of orders. OrderTable: this is the actual order table, we store by customer’s orders. I am looking for missing orderID in OrderTable.

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