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Lesechka [4]
3 years ago
11

What is the purpose of filters in a data base

Computers and Technology
1 answer:
Liono4ka [1.6K]3 years ago
8 0
Filters let you filter out certain things or search for them. For example if i'm looking through a database with all the students grades. I could filter out everything that doesnt math a students name. This would only show results for what I searched for.
You might be interested in
Again, suppose that n and r denote integer values where r > 0 and n ≥ 0. What are two "simple" values, say lowEnough and tooH
enyata [817]

Answer:

Answer explained

Explanation:

From the previous question we know that while searching for n^(1/r) we don't have to look for guesses less than 0 and greater than n. Because for less than 0 it will be an imaginary number and for rth root of a non negative number can never be greater than itself. Hence lowEnough = 0 and tooHigh = n.

we need to find 5th root of 47226. The computation of root is costlier than computing power of a number. Therefore, we will look for a number whose 5th power is 47226. lowEnough = 0 and tooHigh = 47226 + 1. Question that should be asked on each step would be "Is 5th power of number < 47227?" we will stop when we find a number whose 5th power is 47226.

6 0
3 years ago
You are planning to install Windows 10 on a computer in a dual-boot configuration. The computer already has Windows 8 installed.
aniked [119]

Answer:

Shrink the primary partition and create a simple volume for Windows 10.

Explanation:

The EFI’s partition space, after it is shrunk, will not be enough to install your Windows 10 since by default; it can only hold a maximum space of about 250MB to 500MB. Some windows versions call this partition EFI while others refer to it as system reserved. Windows uses EFI partition to hold on to essential components that make your PC boot like boot loaders, system utilities, and a few more.

The answer is B.

When you shrink your volume, whether it is local disk C or a primary partition with plenty of free space, it will create unallocated space. Right click on the unallocated space and create a New Simple Volume that will let you format your partition, assign a drive letter, and install your Windows 10 Operating System.

5 0
3 years ago
Read 2 more answers
In statistics the mode of a set of values is the value that occurs most often. Write a program that determines how many pieces o
Feliz [49]

Answer:

  see below

Explanation:

The program of interest is the function "findMode[x, n]" in the attached. It is written the Wolfram Language of Mathematica.

The basic idea is that the data in the array is sorted. The sorted array is partitioned into sets of identical elements, and the number in each of those sets is counted. The maximum of those counts is the mode. The location of the maximum count corresponds to the location of the set having that count. We use that location information to pull out the mode value(s).

If there is more than one mode, all are reported.

__

An example data array is provided, along with the program output.

6 0
3 years ago
What is equivalent to 5(3x-7)
serg [7]
5(3x - 7)

distribute the 5 to both 3x and -7

15x - 35 is equivalent

hope this helps
8 0
3 years ago
Read 2 more answers
What is an algorithm?A. a series of actions that solve a particular problem.B. an English description of a problem to be solved.
Elena L [17]

Answer:

A. a series of actions that solve a particular problem.

Explanation:

An algorithm refers to step by step instructions used to fix a problem and they are used for tasks like make calculations and process data. Algorithms are important for computers to be able to process information as they provide the instructions on how a task has to be performed. According to this, an algorithm is a a series of actions that solve a particular problem.

4 0
3 years ago
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