SQL Server/T-SQL Tutorial/Sequence Indentity/IDENT CURRENT

Discover what the last IDENTITY value:you can use the IDENT_CURRENT function.

4>
5> CREATE TABLE MyTable (MyID Int IDENTITY(1, 10) NOT NULL
6>            , MyDescription nVarChar(50) NOT NULL)
7>
8> INSERT MyTable (MyDescription) VALUES ("Auto Record 1")
9> INSERT MyTable (MyDescription) VALUES ("Auto Record 2")
10>
11> SET IDENTITY_INSERT MyTable ON
12>
13> INSERT MyTable (MyID, MyDescription) VALUES (5, "Manual Record 1")
14>
15> SET IDENTITY_INSERT MyTable OFF
16>
17> INSERT MyTable (MyDescription) VALUES ("Auto Record 3")
18>
19> SELECT * FROM MyTable
20> GO
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
MyID        MyDescription
----------- --------------------------------------------------
          1 Auto Record 1
         11 Auto Record 2
          5 Manual Record 1
         21 Auto Record 3
(4 rows affected)
1>
2> SELECT @@IDENTITY AS LastIdentity
3> GO
LastIdentity
----------------------------------------
                                      21
(1 rows affected)
1> SELECT IDENT_CURRENT(MyID) AS CurrentIdentity
2> GO
Msg 207, Level 16, State 1, Server J\SQLEXPRESS, Line 1
Invalid column name "MyID".
1>
2>
3> drop table MyTable;
4> GO
1>
2>
3>
4>

SELECT IDENT_CURRENT("customer")

2> CREATE TABLE customer
3> (
4> cust_id      smallint        IDENTITY(100, 20)  NOT NULL,
5> cust_name    varchar(50)     NOT NULL
6> )
7> GO
1>
2> SELECT IDENT_CURRENT("customer")
3> GO
----------------------------------------
                                     100
(1 rows affected)
1>
2> drop table customer;
3> GO
1>