shornick (10/29/2013)
"from a given field in a table i want to retrieve only those rows doesnt contain any upper case letter in any position."Why not just do something simple like:
select * from myTable
where myField = lower(myField)
That would return the rows that do not have any uppercase letters in the field in question.
That actually would depend on your collation. If you are on a case insensitive collation (default) that query ignores upper case. In other words THIS = this.
You would need to modify your query slightly like this.
select * from myTable COLLATE Latin1_General_CS_AI
where myField = lower(myField)
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