oracle里怎么动态执行字符串,如'2*8*0.2'
oracle里如何动态执行字符串,如'2*8*0.2'
oracle里如何动态执行字符串,如'2*8*0.2'
------解决方案--------------------
oracle里如何动态执行字符串,如'2*8*0.2'
------解决方案--------------------
- SQL code
DECLARE L_N NUMBER; BEGIN EXECUTE IMMEDIATE 'select ' || '2*8*0.2' || ' FROM dual' INTO L_N; DBMS_OUTPUT.PUT_LINE(L_N); END; / 输出: 3.2