tags:

views:

461

answers:

1
Q: 

Oracle 11g SQL select max integer value of varchar column

myTable

UNID
 9
 10

UNID is a VARCHAR2

select max(UNID) from myTable returns the UNID with the highest lexicographic value (9).

how do i select the UNID with the highest integer value (10)?

+3  A: 

Doesn't

select max(to_number(UNID)) from yourTable

work?

jitter  2009-06-26 16:06:54

related questions

Backup SQL Schema Only?
Sql to query a dbs scheme
Timer-based event triggers
Sql query, count and group by
Paging SQL Server 2005 Results
SQL 2005 For XML Explicit - Need help formatting
How do I use T-SQL Group By
What all do I need to escape when sending a (My)SQL query?
Split String in SQL
Datatable vs Dataset
ASP.NET MVC "CRUD" Database Sample
Convert HashBytes to VarChar
Best Book for a new Database Developer
What is the best way to avoid SQL injection attacks?
What language do you use for Postgresql triggers and stored procedures?
What is the best way to handle multiple permission types?
How do I index a database field
Swap unique indexed column values in database.
cx_Oracle - what is the best way to iterate over a result set?
cx_Oracle - How do I access Oracle from Python?
Is there a version control system for database structure changes?
How to export data from SQL Server 2005 to MySQL
ASP.NET Site Maps
Decoding T-SQL CAST in C#/VB.net
Flat File Databases in PHP