I am using sybase aSE12.5. I have a table with only one column with
datatype char(2). when i query this table to select all the records, i
should get these records in the ascending order and they should be numbered
, i.e, the o/p should look something like this
column_name
------ --------
1 AB
2 AC
3 AD
and so on.
I cannot add an extra column and i need this to be done in a single query.
--
Message posted via http://www.sqlmonster.com 2  2030 
Praveen D'Souza via SQLMonster.com (fo***@nospam.S QLMonster.com) writes: I am using sybase aSE12.5. I have a table with only one column with
datatype char(2). when i query this table to select all the records, i
should get these records in the ascending order and they should be
numbered , i.e, the o/p should look something like this
column_name
------ --------
1 AB
2 AC
3 AD
and so on.
I cannot add an extra column and i need this to be done in a single query.
If you are using Sybase, you should be posting to
comp.databases. sybase, or whatever that groups goes by at SQLMonster.
However, this solution should work on Sybase as well:
SELECT col, (SELECT COUNT(*) FROM tbl b WHERE b.col >= a.col)
FROM tbl a
ORDER BY col
For large amount of data this may not be very performant, though.
SQL 2005, currently in beta, offers a ROW_NUMBER() function to
handle this a little more effeciently. I don't know if Sybase offers
something similar.
--
Erland Sommarskog, SQL Server MVP, es****@sommarsk og.se
Books Online for SQL Server SP3 at http://www.microsoft.com/sql/techinf...2000/books.asp
In a tiered architecture display is done in the front end and not the
database.
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