Examine the following command: CREATE TABLE (prod_id number(4), Prod_name varchar2 (20), Category_id number(30), Quantity_on_hand number (3) INVISIBLE); Which three statements are true about using an invisible column in the PRODUCTS table?（）
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
Hatha Yoga（哈达瑜伽）中，Ha意为太阳呼吸，Tha意为月亮呼吸，表示相反能量的结合，保持阴阳平衡的实践，因此，它又有阴阳瑜伽或健美瑜伽之称。
You have altered a non-unique index to be invisible to determine if queries execute within an acceptable response time without using this index. Which two are possible if table updates are performed which affect the invisible index columns?（）
Two database users， Jack and Bill， are accessing the Certkiller STAFF table of the Certkiller DB database. When Jack modifies a value in the table， the new value is invisible to Bill. Which is the modified value invisible to Bill？（）
Medical accidents__________ by drugs have attracted much attention in tha country.
What does Pecola dream to have?
Why does Pecola fetishize over the white’s beauty standard?
Why does Pecola’s mother choose the white girl over Pecola?
Why does Pecola wants a pair of blue eyes?
Why does Pecola identify herself with dandelions?
“There is much in your book that is original and valuable---but what is original is not valuable, and what is valuable is not original.” is in a parallel form.
What is the relationship between Pecola and Junior?
Past tense is used in Findings and present tense is used in Conclusion.
Why does Pecola want to have blue eyes?
There are two characters in this excerpt, Geraldine and Pecola.
In the U. S. , thin is "in", fat is "out", this means ______.
由“Ha”和“tha”两个词根构成，对于“Ha”和“tha”的描述正确的是（)。
机组运行：本机组可以按定压和定-滑-定两种方式运行。调峰运行时推荐采用定-滑-定运行方式。机组在()THA负荷以上时采用定压运行，机组在()THA负荷时采用滑压运行，机组在()THA以下负荷时采用定压运行。
CATIA模型的显示空间分为VISIBLE和INVISIBLE，其中右数第二个图标功能为（）
You have altered a non-unique index to be invisible to determine if queries execute within an acceptable response time without using this index.Which two are possible if table updates are performed which affect the invisible index columns？（）
Though Queen Elizabeth is in her late seventies, she is still_____in thinking.
在中国，THA病人，术前贫血的发生率大约是（）
LOA/TOA/THA/TOM/TOG等单板业务开通时，本端客户侧接口上报L_SYNC告警，产生原因是（）
