sql - How add separating blank space in numeric value -

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unfortunately couldn't find solutions in docs.

i want numbers in specific format, this:

234652.24  --> 234 652.24 42145124  --> 42 145 124  select employee_id, to_char(salary, '??????') "salary employees;

you can specify the nls_numeric_chartacters setting part of the to_char() call, , use g , d format model placeholders:

with employees (employee_id, salary) (   select 1, 234652.24 dual --> 234 652.24   union select 2, 42145124 dual --> 42 145 124 ) select employee_id,   to_char(salary, '999g999g999d99', 'nls_numeric_characters=''. ''') "salary" employees;  employee_id salary         ----------- ---------------           1      234 652.24           2   42 145 124.00

if don't want trailing zeros in second value can add fm format modifier, removes leading space (which there allow minus sign if there negative values); still leaves trailing period; can use rtrim() rid of that:

with employees (employee_id, salary) (   select 1, 234652.24 dual --> 234 652.24   union select 2, 42145124 dual --> 42 145 124 ) select employee_id,   rtrim(to_char(salary, 'fm999g999g999d99', 'nls_numeric_characters=''. '''), '.') "salary" employees;  employee_id salary         ----------- ---------------           1 234 652.24                2 42 145 124

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