如何动态地在查询中传递IN变量。示例如下(使用oracle db): 我想检查num_pattern模式是否与CALLNUM匹配。输入参数在查询存储过程中传递
create or replace PROCEDURE EXECUTE_CDIV
(
CALLNUM IN VARCHAR2,
RESULT OUT VARCHAR2
)
AS
BEGIN
select count(1) into RESULT
from datatable
where num_pattern like 'CALLNUM%' ;
END;
刚刚尝试这一点'...在那里同样CALLNUM || '%'' –