oracle - SQL Stored Procedure Convert Date Parameter -

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i have sql stored procedure accepts 2 dates, when send them in open query, oracle not date format reason.

how can change dateformat yyyy-mm-dd dd-mm-yyyy in stored procedure before sending using it.

e.g set @startdate = convert

use to_date function convert string value oracle date data type.

to accept date string in format yyyy-mm-dd:

v_start_date date := to_date(v_date_string, 'yyyy-mm-dd');

to accept date string in format dd-mm-yyyy:

v_start_date date := to_date(v_date_string, 'dd-mm-yyyy');

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