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lbvjy [14]
3 years ago
15

A ____ is any key that uniquely identifies each row.

Computers and Technology
1 answer:
Mrac [35]3 years ago
6 0
<span>A _superkey___ is any key that uniquely identifies each row.</span>
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PLZ HELP ASAP
fenix001 [56]

Answer:

Did this computer get a virus.

Explanation:

The brother can't change the password because it required him to get the old password before changing it.

4 0
3 years ago
Implement the Tollable interface. It provides one method, pay, that accepts an int (how many dollars to pay), and returns an int
AVprozaik [17]

Answer:

Answered below.

Explanation:

\**This is written in the Kotlin programming language.**/

interface Tollable{

fun pay(payInDollars: Int) : Int

}

\**Interfaces are used to declare properties and methods that are common to different classes. As a result different classes can extend one interface.

The properties and methods in an interface are not always initialized. Classes extending from the interface are responsible for initializing these properties and methods. In Kotlin, a class can extend from more than one interface.**/

8 0
3 years ago
A(n) ____________________ is hardware or software that blocks or allows transmission of information packets based on criteria su
QveST [7]

Answer:

The answer is "Packet Filter(144-145)".

Explanation:

This technique is used in firewalls, which monitors access to the network, track data transmission packets, transfer or stop based on IP protocols and ports.

  • This approach is often used to test modulation packets.
  • It also used to control performance and provides security.
  • This mechanism also used in the IPv6.
6 0
3 years ago
You arrive at school on Friday for a field trip ! What a lucky day!You need to figure out what room you are in before leaving. Y
Pachacha [2.7K]

Answer:

u would look for the roster that has the first letter of your last name

4 0
2 years ago
Read 2 more answers
A ______ statement selects for execution a statement list having an associated label that corresponds to the value of an express
bogdanovich [222]

Answer:

A) Switch

Explanation:

In Java and most programming Languages, A Switch Statement provides a multi branch statements which provides a more flexible way for transfer of execution to the branch that fulfills the condition of the expressed value. This is a better way of handling if...elseif....else statements. In this way, a variable is tested for equality against some values. Variables used in switch expressions can only be primitives (int, byte, char), enums and strings.  A switch statement has

1. A default statement (optional), appears at the end of the switch and acts as the else condition.

2. A break statement which terminates the switch when reached.

The syntax of a switch statement is given below:

switch(expression) {

 case x:

   // code block

   break;

 case y:

   // code block

   break;

 default:

   // code block

}

6 0
3 years ago
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