Temporary Table
create table #temptable {
id int,
name nvarchar(50)
};
select * into #temptable from UserTable;
Features
- Table name begin with '#'
- Table will be automatically dropped when session closed
- Manually drop table will be suggested
- Temporary table will be stored at database 'tempdb'
- Different session/user can create temporary table with same table name
- Index supported
Table Variables
declare @temptable table{
id int,
name nvarchar(50)
};
Features
- Table name begin with '@'
- Table do not need drop
- Table data only exist in memory
- Can not create from select statement