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4 years ago

What kind of server is another computer that screens all your incoming and outgoing messages?

Computers and Technology

1 answer:

Rom4ik [11]4 years ago

8 0

A proxy server
Hope i could help

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For each of the following SQL queries, for each relation involved,list the attributes that must be examined to compute the answe

Vlada [557]

Answer:

1. E.eid ,E.hobby, E.sal, E.did

2.E.eid , E.sal, E.hobby ,E.did , D.did, D.floor ,D.dname , D.budget.

3.E.eid , E.sal, E.hobby ,E.did , D.did, D.floor ,D.dname , D.budget.

4.E.eid , D.dname

Explanation:

The attributes that are examined for the query are the attributes of the table that are mentioned in the select statement and where clause.

So according to first query we are working on all attribues of Emp table so all of the attributes of Emp table are examined.In second query we selecting all attributes of both the tables hence all attributes of both the table and same in the next query.

In fourth query though the query is not complete where clause is missing but we have eid from Emp and dname from Dept tables for sure and the attributes mentioned in where clause will also be present.

7 0

3 years ago

Read the poem again and work in pairs or groups to do the following tasks.

kap26 [50]

Answer:

i have no idea what the answer is

Explanation:

8 0

3 years ago

Mobile cameras are now of a higher quality than when they first arrived on the market. Describe the difference in

Anvisha [2.4K]

Answer:

When mobile cameras first arrived on the market, they did not have a high-quality resolution. But after the years, mobile cameras are able to record a significant amount of digital information.

6 0

3 years ago

Which function deletes the first occurence of 3 in a list named listB ?

Stella [2.4K]

Answer:

$listB.remove(3)$

Explanation:

Given

Options A to D

Required

Which deletes the first occurrence of 3

The options show that the question is to be answered using the knowledge of Python.

So, we analyze each of the options using Python syntax

(a) listB.clear(3)

In python, clear() is used to delete all elements of a list, and it does not take any argument i.e. nothing will be written in the bracket.

<em>Hence, (a) is incorrect</em>

(b) listB(3)

The above instruction has no meaning in Python

(c) listB delete(3)

The above instruction as written is an invalid syntax because of the space between listB and delete.

Also, it is an invalid syntax because lists in Python do not have the delete attribute

$(d)\ listB.remove(3)$

This removes the first occurrence of 3

5 0

3 years ago

Declare a variable to store 1009.87 in computer

Mice21 [21]

Answer: float n1=1009.87;

hope this helps

plz mark brainleist

6 0

3 years ago