hierarchi data query

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SQL-Server-2008

employee_id manager_id designation
101 NULL CEO
102 101 GM
103 102 MANAGER
104 103 SOFTWARE ENGINEER
105 103 SOFTWARE ENGINEER

In this data structure i want make a hierarchi of superior employee id 104

SQL

SELECT employee_id,manager_id,designation FROM manager
CONNECT by prior employee_id = 104

This is the query what am used in this am getting the error like this

Msg 156, Level 15, State 1, Line 4
Incorrect syntax near the keyword 'by'.

help me to solve this....

Posted 23-Apr-12 22:17pm

prabakaransat

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VJ Reddy · Answer 1 · 2012-04-23T22:56:00

Solution 2

Please see these articles
http://blogs.msdn.com/b/manisblog/archive/2007/08/17/sql-server-2008-hierarchyid.aspx[^]
HierarchyID Data Type in SQL Server 2008[^]
Loading a TreeView using HierarchyID[^]
I think they may be helpful.

Posted 23-Apr-12 22:56pm

VJ Reddy

Nandakishore G N · Answer 2 · 2012-04-24T02:34:00

Solution 3

check this site
http://blogs.msdn.com/b/manisblog/archive/2007/08/28/sql-server-2008-hierarchyid-part-ii.aspx[^]

Posted 24-Apr-12 2:34am

Nandakishore G N

Nandakishore G N · Answer 3 · 2012-04-23T22:26:00

Solution 1

use hierarchyid which is present as datatype in sql server 2008.

Posted 23-Apr-12 22:26pm

Nandakishore G N

Comments

prabakaransat 24-Apr-12 4:33am

i didn't got your point

VJ Reddy 24-Apr-12 4:55am

Good point. 5!

Dylan Morley · Answer 4 · 2012-04-24T02:42:00

You can use SQL Common Table Expressions (CTEs)[^] to calculate hierarchial data

There are lots of posts on this subject if you google, here are a few examples

http://sqltips.wordpress.com/2007/05/17/retrieving-employee-hierarchy-through-cte/[^]

http://sqltips.wordpress.com/2007/06/23/finding-all-managers-of-the-given-employee-thourgh-recursive-cte/[^]

http://blog.crowe.co.nz/archive/2007/09/06/Microsoft-SQL-Server-2005---CTE-Example-of-a-simple.aspx[^]