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iris [78.8K]
3 years ago
12

Explain the function of database administrator.don't spam..​

Engineering
1 answer:
Ghella [55]3 years ago
7 0

The database administrator performs the following tasks:

  • It is used for the storage and the organization of data.
  • It is used for database design
  • It is used to install and configure
  • It is used to used to backup and also to recover data.

<h3>What is database administration?</h3>

This is used to describe the many activities that the database is used to perform activities in order to ensure that the system software are well managed.

Read more on database administrator here:

brainly.com/question/24223730

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40 points! helppppp Directions:
julsineya [31]

Answer:

Policies That Influence Entrepreneurship. Four strategies that influence entrepreneurship are the tax system, supervision, start-up costs moreover access to capital businesses, and legal security and property rights. Each policy is considered through the eyepiece of economic investigation.

Loans and reward plans proposed immediately to business people are one way to use tax revenue to arouse business ventures.

Entrepreneurship is inspired by four different factors: economic growth, history, technological advancement, and education. In areas where these parts are present, you can anticipate seeing powerful and constant entrepreneurial extension.

Explanation:

6 0
3 years ago
Explain why the following scenario fails to meet the definition of a project description.
s344n2d4d5 [400]

Answer:

The youth hockey training facility

Explanation:

7 0
3 years ago
Steam enters an adiabatic turbine at 800 psia and9008F and leaves at a pressure of 40 psia. Determine themaximum amount of work
Naily [24]

Answer:

w_{out}=319.1\frac{BTU}{lbm}

Explanation:

Hello,

In this case, for the inlet stream, from the steam table, the specific enthalpy and entropy are:

h_1=1456.0\frac{BTU}{lbm} \ \ \ s_1=1.6413\frac{BTU}{lbm*R}

Next, for the liquid-vapor mixture at the outlet stream we need to compute its quality by taking into account that since the turbine is adiabatic, the entropy remains the same:

s_2=s_1

Thus, the liquid and liquid-vapor entropies are included to compute the quality:

x_2=\frac{s_2-s_f}{s_{fg}}=\frac{1.6313-0.39213}{1.28448}=0.965

Next, we compute the outlet enthalpy by considering the liquid and liquid-vapor enthalpies:

h_2=h_f+x_2h_f_g=236.14+0.965*933.69=1136.9\frac{BTU}{lbm}

Then, by using the first law of thermodynamics, the maximum specific work is computed via:

h_1=w_{out}+h_2\\\\w_{out}=h_1-h_2=1456.0\frac{BTU}{lbm}-1136.9\frac{BTU}{lbm}\\\\w_{out}=319.1\frac{BTU}{lbm}

Best regards.

3 0
3 years ago
After a new
dybincka [34]
I think it is B or C
7 0
3 years ago
2. Using an RLC circuit to design a band-reject filter, with the two cut off frequencies 40k and 90k Hz. Design the values of R,
nadya68 [22]

Answer:

C = 59.17 nF

Q = 2.6

Explanation:

given data

frequencies = 40k Hz

frequencies  = 90k Hz

solution

we take here R, L C take in series

so cut off frequency is express as

Wc1 = -\frac{R}{2L}+ \sqrt{(\frac{R}{2L})^2+\frac{1}{LC}}   =  40000

wc2 = \frac{R}{2L}+ \sqrt{(\frac{R}{2L})^2+\frac{1}{LC}}    =  90000

so here

wc2 - wc1 will be

wc2 - wc1 = 90000 - 40000 = 50000

so

\frac{R}{L} =  50000

we consider here R is 500

so  L = \frac{500}{50000}  

L = 10 m H

and here total cut off frequency is

total cut off frequency = 40000 + 90000 = 130000

so capacitance will be

capacitance  C is =  \frac{1}{10\times 10^{-3}\times 130000^2}  

so C = 59.17 nF

quality factor Q will be

Q = \frac{130000}{50000}  

Q = 2.6

4 0
3 years ago
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