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string ls_sql,ls_value
ls_sql = "SELECT REPLACE('MIGRATIONRULE','MIGRATIONRULE','SHANGHAI.MIGRATIONRULE') AS AA from DUAL"
DECLARE self_replace DYNAMIC CURSOR FOR SQLSA ;
PREPARE sqlsa from :ls_sql ;
OPEN DYNAMIC self_replace ;
FETCH self_replace INTO :ls_value;
CLOSE self_replace;


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