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Luba_88 [7]
3 years ago
5

What will be returned when the following SQL statement is executed?

Computers and Technology
2 answers:
ycow [4]3 years ago
3 0

Answer:

b) A listing of each driver as well as the number of deliveries that he or she has made

Explanation:

SQL which stands for Structured Query Language. and an SQL statements are used in performing tasks such as to update data on a database, or retrieve data from a database. Some of the popular relational database management systems that use SQL are: Sybase, Oracle, Microsoft SQL Server, Ingres, Access, etc.

Phantasy [73]3 years ago
3 0

Answer:

b) A listing of each driver as well as the number of deliveries that he or she has made

Explanation:

The structured query language will produce an output as follow;

A listing of each driver as well as the number of deliveries that he or she has made.

This output generates by the query duely satisfies the SQL command given.

SQL is used in most cases in order to arrive at a detailed answer making use of a structured querry

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Using Gen/Spec, classes can be organized by using a peer-to-peer inheritanc True/false
Fiesta28 [93]

Answer: True

Explanation: Gen/Spec is the known as the general specification standard for the classes.This standard helps in bringing out the peer-to-peer relations of class.

Gen/Spec is used in class diagram because it helps in the display of the access sharing and class specification in the general form for the required instances.Thus, this standard helps in the enhancement of the class diagram and its inheritance. So, the statement given in the question is true.

5 0
3 years ago
A power ratio of 9000000:1 corresponds to ... dB?
sertanlavr [38]

Answer:

69.54

Explanation:

A power ratio of 9000000:1 corresponds to 69.54 dB.

The calculation is presented below:

Formula for calculating Power ratio (db) = 10 * log [P(out)/P(in)]

Since the given ratio is 9000000:1, substituting in the formula gives us 10 * log (9000000/1)

Note that log 9000000 = 6.954

Therefore, 10 * log (9000000/1) = 69.54

Hence the required power ratio in db is 69.54 db.

4 0
3 years ago
In the Stop-and-Wait flow-control protocol, what best describes the sender’s (S) and receiver’s (R) respective window sizes?
kolbaska11 [484]

Answer:

The answer is "For the stop and wait the value of S and R is equal to 1".

Explanation:

  • As we know that, the SR protocol is also known as the automatic repeat request (ARQ), this process allows the sender to sends a series of frames with window size, without waiting for the particular ACK of the recipient including with Go-Back-N ARQ.  
  • This process is  mainly used in the data link layer, which uses the sliding window method for the reliable provisioning of data frames, that's why for the SR protocol the value of S =R and S> 1.
3 0
2 years ago
Ryder has discovered the power of creating and viewing multiple workbooks. ​ ​ Ryder wants to use a layout in which the workbook
777dan777 [17]

Answer:

Click the Cascade option button

Explanation:

Based on the description of what Ryder is attempting to accomplish, the next step that he needs to do would be to Click the Cascade option button. This option will cause all the windows of the currently running applications to overlap one another but at the same time show their title bars completely visible in order to let the user know their open status. Which is exactly what Ryder is attempting to make as his desired layout for the workbooks. Therefore this is the option he needs.

4 0
3 years ago
What are the correct answers to the following questions?
Lena [83]

Answer:

1. analog sound

2. digital sound

3. pixels

4.  local area network

5.bus

6. slots

Explanation:

4 0
2 years ago
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