T-SQL Self Join in combination with aggregate function
- by Nick
Hi,
i have the following table.
CREATE TABLE [dbo].[Tree](
[AutoID] [int] IDENTITY(1,1) NOT NULL,
[Category] [varchar](10) NULL,
[Condition] [varchar](10) NULL,
[Description] [varchar](50) NULL,
CONSTRAINT [PK_Tree] PRIMARY KEY CLUSTERED
(
[AutoID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF,…