[单选] Oracle9i extends the cursor sharing functionality with the new value of SIMILAR for the CURSOR_SHARING parameter. With CURSOR_SHARING = SIMILAR， cursors are shared for safe literals only. What is meant by ‘safe literals only’？（）

A . No literal value is substituted for a shared cursor.
B . Different execution plans are generated for substituted literal values.
C . The substitution of a literal value will produce different execution plans.
D . The substitution of any literal value will produce exactly the same execution plan.

子午线轮胎比一般轮胎的滚动阻力系数大。在20℃、1大气压时，氧气的溶解度为A，在50℃、1大气压时，氧气的溶解度为B，那A和B的数值关系为（）。 A=B。 A>B。 AD、不确定。机油（）滤器与主油道串联，滤清后的机油流入主油道；而（）滤器与主油道并联，滤清后的机油直接流回油底壳。开切眼是沿采煤工作面的（）掘进的。开采线。始采线。终采线。普通V带的横截面是等腰梯形，按截面尺寸不同，分为（）、（）、（）、（）、（）、（）、（）等七种型号。 Oracle9i extends the cursor sharing functionality with the new value of SIMILAR for the CURSOR_SHARING parameter. With CURSOR_SHARING = SIMILAR， cursors are shared for safe literals only. What is meant by ‘safe literals only’？（）

参考答案：

● 参考解析

本题暂无解析

当前位置：1Z0-032题库

[单选] Oracle9i extends the cursor sharing functionality with the new value of SIMILAR for the CURSOR_SHARING parameter. With CURSOR_SHARING = SIMILAR， cursors are shared for safe literals only. What is meant by ‘safe literals only’？（）

相关题目: