How to use database name dynamically in SQL Server

Question

I need to get all table names in SQL Server. To do this I use this code:

select TABLE_NAME  
from INFORMATION_SCHEMA.TABLES

I need use dynamic

Answer 1

DECLARE @dbName varchar(50)='Learn'
EXEC ('SELECT TABLE_NAME FROM ' +@dbName+'.INFORMATION_SCHEMA.TABLES');

OR SIMPLY:

SELECT TABLE_NAME FROM Learn.INFORMATION_SCHEMA.TABLES