Question

Hii Guys!!!
i have a table named cdrcost which has dst column.I am need to retrieve the values based on digits in the column values.
For example:

dst

0001266
2545
874545565612
25452`

Any suggestion will be welcomed

Answer 1

Assuming I understood what you’re asking for:

SELECT * 
FROM cdrcost 
WHERE LENGTH(dst) = 31;