Seed value was negative and the increment was positive : IDENTITY « Sequence « SQL Server / T-SQL






Seed value was negative and the increment was positive


1>
2> -- Seed value was negative and the increment was positive:
3>
4> CREATE TABLE MyTable (MyID Int IDENTITY(-1000000, 100) NOT NULL
5>                       ,MyDescription NVarChar(50) NOT NULL)
6> GO
1> insert mytable (mydescription) values ('a');
2> GO

(1 rows affected)
1> insert mytable (mydescription) values ('b');
2> GO

(1 rows affected)
1> insert mytable (mydescription) values ('c');
2> GO

(1 rows affected)
1> select * from mytable
2> GO
MyID        MyDescription
----------- --------------------------------------------------
   -1000000 a
    -999900 b
    -999800 c

(3 rows affected)
1>
2> drop table MyTable
3> GO
1>
           
       








Related examples in the same category

1.IDENTITY (1, 1)
2.Identity starting with -1000000
3.SQL Server chooses the highest number as its current seed for a positive increment value or the lowest for a negative increment value
4.SQL Server does not allow explicit values to be inserted into it
5.Now you explicitly enter a value for Identity column
6.Using Identity during data insert
7.Using IDENTITY value
8.Get current IDENTITY value
9.Created with an IDENTITY property that is set to start at 1,000,000 and decrement by 100 for every row added
10.IDENTITY [ (seed , increment ) ]
11.IDENTITY as PRIMARY KEY