Will start with ## (##temp).
Will be deleted only if user disconnects all connections.
It behaves like a permanent table.
CREATE TABLE ##NewGlobalTempTable(
StudentID int,
StudentName varchar(50),
StudentAddress varchar(150))
Insert Into ##NewGlobalTempTable values ( 1,'Ram','India');
Select * from ##NewGlobalTempTable
Note: These are viewable by all users of the database, irrespective of permissions level.