Select from multiple tables in one call

Question

In my code I have a page that includes information from 3 different tables. To show this information I make 3 SQL select calls and unite them in one list to pass as Model to my

Answer 1

You can use UNION ALL to merge multiple queries.

Do something like this:

SELECT * FROM Table1
UNION ALL
SELECT * FROM Table2

Edit:

You can do this if you want to know where a single record is from:

SELECT *, 1 AS TableName FROM Table1
UNION ALL
SELECT *, 2 AS TableName FROM Table2

This will add another column that can be used to split the array into 3 lists.