表示钢材抗拉强度的技术指标有()。 屈服点。 伸长率。 屈强比。 抗拉强度。
提出重建礼教最早始于()。 孔子。 司马昭。 朱熹。 辜鸿铭。
含强腐蚀性气体组分()的混合气体,称为腐蚀性混合气。 不论浓度大小。 0.1%以上。 0.5%以上。 2%以上。
Which two statements are true about record groups?() They are stored in the database. 。 They are stored in local Forms memory. 。 The type is specified explicitly at design time. 。 The type is implied by when and how it is created.。
Evaluate the following function code: CREATE FUNCTION get_dept_avg(dept_id NUMBER) RETURN NUMBER RESULT_CACHE RELIES_ON (EMPLOYEES) IS avgsal NUMBER(6); BEGIN SELECT AVG(SALARY)INTO avgsal FROM EMPLOYEES WHERE DEPARTMENT_ID = dept_id; RETURN avgsal; END get_dept_avg; Which statement is true regarding the above function?() The cached result becomes invalid when any structural change is done to the EMPLOYEES table. 。 If the function execution results in an unhandled exception,the exception result is also stored in the cache.。 Each time the function is invoked in a different session,the current result in the result cache gets overwritten.。 If the function is invoked with a different parameter value,the existing result in the result cache gets overwritten by the latest value.。
王某,20岁,不慎被金环蛇咬伤,以下哪一项不是咬伤后的临床表现()