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Inessa [10]
3 years ago
14

The following SQL statement contains which type of subquery? SELECT title FROM books WHERE EXISTS (SELECT isbn FROM orderitems W

HERE books.isbn = orderitems.isbn); a. correlated b. inline view c. multiple-column d. uncorrelated
Computers and Technology
1 answer:
Rudiy273 years ago
4 0

Answer:

(a) Correlated.

Explanation:

Correlated subquery :These sub queries reference columns from outer table or uses values from outer query.These sub queries are processed atleast once for every row processed.So because of this reason correlated sub queries can be slow.Since the query in the question also uses value from the outer query so it is a correlated query.

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Myles is studying a system to lessen the number of complaints about the Help Desk. He has formally studied the service counter a
olga55 [171]

Answer: Informal bench-marking

Explanation:

Informal bench-marking is defined as unconscious comparison of one's own behavior, skills, values etc with other and learning from them to improve. This leaning can be found in work-place, home, school etc.

  • According to the question, Myles is using informal bench-marking through studying other stores complaint handling style and reduction technique so that he can learn from it.
  • Other options are incorrect because designing analysis,outcome analysis, issue analysis and processing of complaining ta re not the comparison that unconsciously done by person .
  • Thus, the correct option is informal bench- marking.
4 0
3 years ago
The trademarked name of the accepted standard for configuring wireless networks is _______________
enyata [817]

Answer:

WiFi

Explanation:

WiFi is a standard wireless network configuration developed by IEEE (Institute of Electrical and Electronics Engineers) as a 802.11 standard.

WiFi is embedded in chips in computers and configured for finding wireless routers. WiFi certified points can identify each other, this standardized networks are available almost all online electronic devices.  

Wi-Fi Alliance is the authority to certify devices which satisfy the IEEE 802.11 standards.

3 0
3 years ago
Sleeping is an effect of _______ , but agitation may cause a person to wake up
Crank
"Sleeping is an effect of <span>Depressants, but agitation may cause a person to wake up"</span><span />
4 0
2 years ago
Read 2 more answers
The assignment symbol can be combined with the arithmetic and concatenation operators to provide augmented assignment operations
uranmaximum [27]

Answer:

Yes, we can.

Explanation:

We can combine with the arithmetic and the concatenation operators to provide augmented assignment operations in the programming language Python.

This mean we can abbreviate expressions like n = n + 1

For example:

n += 10 this is equal to n = n + 10

n += "example" this is equal to n = n + "example"

In this example we have

variable = variable operator expression equal to variable operator = expression.

These arguments are often used in Python's loops.

3 0
3 years ago
4. When inserting clip art into a page of text, which of the following is true? (1 point)
ella [17]
I would vote for D since you can adjust picture positioning and wrapping. A is BS, B and C are not true.
8 0
3 years ago
Read 2 more answers
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