All categories

3 years ago

How would you define a relational database ?

Computers and Technology

1 answer:

UNO [17]3 years ago

7 0

Answer: (D) Database design follows the twelve principles proffered by Dr. Edgar F. Codd

Explanation:

The relational database is basically based on the relational model of the data which is proposed by the Dr Edger F. codd and he mainly introduced the twelve basics principle of the database designing in the database system. He also contributed various valuable principle in the computer science.

The twelve principle are:

The first rule of the relational database is the information rule as it represented all data or information
Independence of the integrity
Viewing various updating rule
Logically treatment of various NULL value
Independence of the physical database
Distribution in-dependency
Various delete, insert and update rules
The overall logical description of the database are basically stored in the database directory
There is no subversion rule
There is guarantee accessing rule
Proper rule for data language
The relational database level actions

You might be interested in

Alice and Bob are unknown to each other. Alice wants to send an encrypted message to Bob. So it chooses a KDC which is known to

kakasveta [241]

3. ¿Qué mensaje recupera Bob después del descifrado? Mostrar como caracteres hexadecimales.

Respuesta: la clave con el mensaje :

5 0

2 years ago

Sara is a college student studying accounting. She uses a laptop daily for personal and course work. What data might Sara have o

polet [3.4K]

Answer:

Sara: Personal data

Jorge : Personal data + official data.

Wanda: Personal data + students data

Carl: Personal data + official data

Explanation:

Personal data could contain pictures, social security numbers, banking transactions details, passwords, credit card information etc.

Jorge's official data could contain information about various sources that he gets his news from. It could contain password information about his official email. And he connects to the office network, he might pose a threat to the entire network if his PC is infected.

Wanda could leak the student's information. She could also leak her social security numbers, bank details, organization's details etc.

Carl could leak company's information. He can avoid it by staying away from public networks. Installing anti-virus. He should also take great care while accessing various sites and never download harmful files over the internet.

8 0

3 years ago

Levi wants to run 5 commands sequentially, but does not want to create a shell script. He knows that each command is going to ta

disa [49]

Levi can use the bash command to type all the commands on the same line to type one after the other character without requiring input.

<u>Explanation</u>:

He wants to run five commands. For one command it will take exactly 20 minutes. So it will take one hour forty minutes.
To type all of the commands on the same line Levi should use the bash command. For inserting the bash command Levi should use backslash \ as the last character of the line.

6 0

3 years ago

In designing input by clinicians for an EHR system, which of the following would be effective for a clinician when the data are

svetoff [14.1K]

Answer:

Speech recognition

Explanation:

Speech recognition would be effective for a clinician when data entry is fairly repetitive and the vocabulary used is fairly limited and over time it as become a replacement for other forms of dictation.

3 0

4 years ago

Just admit it. You have more than one account on brainly. If not several you have one where you have a bad reputation and anothe

Paha777 [63]

Answer:

No I don't this is my only account ;-;

Explanation:

But I have considered making a new one but for now this is my only account lolll although it does seem to make good sense when it comes to having a bad reputation on the other account. why haven't I thought about that- see how slow I am dang g , I am dummer that I thought I was..Imaoo

3 0

3 years ago

Read 2 more answers