« previous next »

Author Question: A doubly nested set of NOT EXISTS SELECT statements is ________. A) a famous pattern in SQL B) ... (Read 72 times)

vHAUNG6011

  • Hero Member
  • *****
  • Posts: 514
on: Jul 7, 2018
A doubly nested set of NOT EXISTS SELECT statements is ________.
 
  A) a famous pattern in SQL
  B) regularly used
  C) rarely used to nonexistent in the real world
  D) Both A and B are correct

Question 2

In RFM analysis, M stands for how much money.
 
  Indicate whether the statement is true or false


AmberC1996

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 7, 2018
Answer to Question 1

D

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Pattern baldness Pattern baldness
Lewis Hine’s 1910 photograph shows a tenement alley in New York City. More famous for his “unsettlin Lewis Hine’s 1910 photograph shows a tenement alley in New York City. More famous for his “unsettlin
A dual-trace scope pattern showing both the power and the waste spark from the same coil ... A dual-trace scope pattern showing both the power and the waste spark from the same coil ...
Models of Pattern Perception Models of Pattern Perception
Plasma protein binding and drug availability. (a) Drug exists in a free state or bound to plasma ... Plasma protein binding and drug availability. (a) Drug exists in a free state or bound to plasma ...
Human mitotic metaphase chromosomes are identified by size, centromere location, and banding pattern Human mitotic metaphase chromosomes are identified by size, centromere location, and banding pattern
Video: Type of Transport - Active and Passive Processes

For a complete list of videos, visit our video library