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Alexxx [7]
3 years ago
13

Each of the following activities are commonly performed during the implementation of the Database Life Cycle (DBLC). Fill in the

blank, before each activity, with the phase number of the DBLS that this activity would normally be performed.
DBLC Task Numbers:

1. Database initial study
2. Database design
3. Implementation and loading
4. Testing and evaluation
5. Operation
6. Maintenance and evolution

1.______Load the initial values into the tables
2.______Finish user documentation
3.______Adding tables, attributes, and indexes
4._______Attempt to gain unauthorized access to the data
5.______Interview management
6.______Convert existing data
7._______Study the competition's database
8._______Plan how to grant different levels of access to different user groups
9._______Install the database
10.________Train users
11._______Changing constraints to match changes in business rules
12._______Define budget and scope
13.________Select a DBMS software solution
14._______Draw a logical ERD
15.________Performing software patches to the DBMS
16._______Create the database
17.________Understand how this database will connect to other databases in the organization
18.________Develop a Conceptual Model
19.________Make sure application software updates the database
20._______Regular security audits
21.__________Define objectives
22._______Create a detailed model that can be physically implemented
Engineering
1 answer:
kicyunya [14]3 years ago
4 0
Yessiree I agree with yu cause yu are right
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Do heavier cars really use more gasoline? Suppose a car is chosen at random. Let x be the weight of the car (in hundreds of pounds), and let y be the miles per gallon (mpg)

Explanation:

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During the pre-drive check, you'll want to observe the car from the _______.
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Explanation:

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3 years ago
I’m in Sociology Class guys and I need help on this question!
Kitty [74]

The stance that a person will take on increasing the minimum wage  is that higher earnings would boast the total standard of living for anyone that is earning minimum wage and it is one that  can provide them with a lot of appropriate income level to manage the cost of living as it increases.

<h3>How would you validate your stance through research?</h3>

I will take a survey using a sample population of minimum wage workers and give them questionnaires to fill.

<h3>What are positive effects of reasons for raising the minimum wage?</h3>
  • The merit of raising the minimum wage are:
  • It boast or Improves employee in terms of retention.
  • It also brings up the demand for goods and services.
  • It tends to increase employee performance.

Therefore, The stance that a person will take on increasing the minimum wage  is that higher earnings would boast the total standard of living for anyone that is earning minimum wage and it is one that  can provide them with a lot of appropriate income level to manage the cost of living as it increases.

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5 0
2 years ago
A 15-ft beam weighing 570 lb is lowered by means of two cables unwinding from overhead cranes. As the beam approaches the ground
7nadin3 [17]

Answer:

I. Tension (cable A) ≈ 6939 lbf

II. Tension (cable B) ≈ 17199 lbf

Explanation:

Let's begin by listing out the data that we were given:

mass of beam (m) = 570 lb, deceleration (cable A) = -20 ft/s², deceleration (cable B) = -2 ft/s²,

g = 32.17405 ft/s²

The tension on an object is given by the product of mass of the object by gravitational force plus/minus the product of mass by acceleration.

Mathematically represented thus:

T = mg + ma

where:

T = tension, m = mass, g = gravitational force,

a = acceleration

I. For Cable A, we have:

T = mg + ma = (570 * 32.17405) + [570 * (-20)]

T = 18339.2085 - 11400 = 6939.2085

T ≈ 6939 lbf

II. For Cable B, we have:

T = mg + ma = (570 * 32.17405) + [570 * (-2)]

T = 18339.2085 - 1140 = 17199.2085

T ≈ 17199 lbf

4 0
4 years ago
You have a motor such that if you give it 12 Volt, it will eventually reach a steady state speed of 200 rad/s. If it starts from
Aleksandr [31]

Answer:

a) \frac{Ws}{Es}  = \frac{200}{1+1.2s}

b) attached below

c) type zero system

d) k > \frac{g}{200}

e) The gain K increases above % error as the  steady state speed increases

Explanation:

Given data:

Motor voltage  = 12 v

steady state speed = 200 rad/s

time taken to reach 63.2% = 1.2 seconds

<u>a) The transfer function of the motor from voltage to speed</u>

let ; \frac{K1}{1+St} be the transfer function of a motor

when i/p = 12v then steady state speed ( k1 ) = 200 rad/s , St ( time constant ) = 1.2 sec

hence the transfer function of the motor from voltage to speed

= \frac{Ws}{Es}  = \frac{200}{1+1.2s}

<u>b) draw the block diagram of the system with plant controller and the feedback path </u>

attached below is the remaining part of the detailed solution

c) The system is a type-zero system because the pole at the origin is zero

d) ) k > \frac{g}{200}

7 0
3 years ago
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