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koban [17]
4 years ago
12

If an individual column is listed in a SELECT clause, along with a group function, the column must also be included in a(n) ____

________________ clause.
Computers and Technology
1 answer:
laiz [17]4 years ago
5 0

Answer:

GROUP BY clause

Explanation:

The GROUP BY clause is used in SQL as a command to select statement to organize similar data or same values into groups. The GROUP BY clause is used in the SELECT statement in conjunction with aggregate functions to produce summary reports from the database. It combines the multiple records in single or more columns using some functions. If an individual column is listed in the SELECT clause, along with a group function, the column must also be listed in a GROUP BY clause.

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Evaluate the following expressions.
Alenkinab [10]

Answer:

In this question all the expression follow the BOD MAS rule.

Explanation:

The explanation of the given expression can be given as:

In option (a) first we add two number then we subtract.

Answer=31

In option (b) we divide the value (/). it give the Quotient

Answer=1

In option (c) we first divide the value (/) that give the Quotient. then multiply the value and then subtract it.

Answer=-6

In option (d) we first modules the value (%) that give the remainder.Then  subtract it.

Answer=6

In option (e) we divide the value (/). it give the Quotient

Answer=9.2

In option (f) first we done modules then divide and then addition and at the last subtract.

Answer=12

In option (h) first we done modules, second divide, third multiply then addition and at the last subtract.

Answer=-42

In option (i) first solve bracket the divide and multiply.  

Answer=0

In option (j) first divide, second multiply then addition.

Answer=21.75

4 0
4 years ago
You need a collection to represent secret agents. Every agent has a unique codename that identifies them, and an Agent object th
Scrat [10]

Answer:

A  HashMap< String, Agent >

is a best collection for this

Explanation:

Collection is basically a framework that is used in order to perform operations on data and to store and manipulate objects.

HashMap is a Map based collection where Map is a data structure of interface which allows the key and value pairs mapping and HashMap is a collection class used to store these key-value pairs of data.

The syntax is:

HashMap<key, value>

So in  HashMap< String, Agent > statement the String is used to store the codename for every agent and Agent is an object that represents each agent. So this is represented as key-value pair using HashMap.

4 0
4 years ago
Describe two measures you can use to evaluate whether an attachment in a message is reliable to open.
meriva
<span>If a attachment is not reliable to open, terrible effects can happen, peradventure it may have a virus or even malware that can destroy a computers software. 

To avoid this and stay on the safe side, try the following:-

- Open it in protected view 
- Do not save the attachment on your computer 
- Look at the author and read the message carefully to make sure it is not biased. 
- Open it on a flash-drive </span>
8 0
3 years ago
Read 2 more answers
What are the special features of fifth generation that makes it different from the other generations?​
Salsk061 [2.6K]

Answer:

The answer to this question is given below in this explanation section.

Explanation:

               "features of fifth generation"

The fifth generation computer system was an initiative by japans ministry of international trade and industry,begun in 1982,to create computer using massively parallel computing and logical programming.It was to be the result of massive government industry research project in japan during the 1980.It aimed to create an epoch making computer with supercomputer liked performance and to provide a platform for future development in artificial intelligence.There was also an unrelated Russian project also named as the fifth generation computer.

The term fifth generation was untended to convey the system as being a leap beyound existing machines.In the history of computing hardware,computer using vacuum tubes were called the first generation;transistors and diodes,the second;integrated circuits,the third;and those using microprocessors,the fourth.Whereas previous computer generation had focused on increasing the number of logic elements in a single CPU,the fifth generation,it was instead turn to massive numbers of CPU for added performance.

5 0
3 years ago
Which one of the following items is an example of software?
Harlamova29_29 [7]
Word processing program is an example of a software. All the others, such as Printer, Keyboard and Mouse are examples of Computer peripheral devices or in short hardware devices. Generally these listed hardware devices come under input or output computer device category. Also, by classic meaning in layman terms these hardware components can be touched or felt. In contrast, a word processing program is a part of a computer system that consists of data or computing instructions and provides the mechanism to computer to perform a certain task utilizing it's hardware resources. Such components of computer system which are written using one of the computer languages are called computer software or software programs or simply software.
4 0
3 years ago
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