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Elena L [17]
3 years ago
11

People in STEM careers are considered thinkers who reach conclusions through sound judgment and reasoning.

Computers and Technology
1 answer:
JulijaS [17]3 years ago
5 0

Answer:

A student is studying science and hopes to one day become employed as a research scientist for a chemical company. What can you infer about this student?

Explanation:

I am taking the test

Hope this helps u!

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Write the SQL statements that define the relational schema (tables)for this database. Assume that person_id, play_id, birth_year
Sunny_sXe [5.5K]

Answer:

  • SQL statement that defines table for Actor

CREATE TABLE Actor(

person_id integer primary key,

name varchar2(40) not null,

birth_year integer check ((birth_year) <= 2019)

);

  • SQL statement that defines table for Play

CREATE TABLE Play(

play_id integer primary key,

title varchar2(60) not null,

author varchar2(60) not null,

year_written integer check ((year_written) <= 2019)

);

  • SQL statement that defines table for Role

CREATE TABLE Role (

person_id integer,

character_name varchar2(60) not null,

play_id integer,

constraint fk_person foreign key (person_id) references actor(person_id),

constraint fk_play foreign key (play_id) references play(play_id),

primary key (person_id, character_name, play_id)

);

Explanation:

Other information that were not added to the question are as below:

The following database contains information about three tables i.e. actors, plays, and roles they performed.

Actor (person_id, name, birth_year)

Play (play_id, title, author, year_written)

Role (person_id, character_name, play_id)

Where: Actor is a table of actors, their names, and the year they were born. Each actor has a unique person_id, which is a key.

Play is a table of plays, giving the title, author, and year written for each play. Each play has a unique play_id, which is a key.

Role records which actors have performed which roles (characters) in which plays.

Attributes person_id and play_id are foreign keys to Actor and Play respectively.

All three attributes make up the key since it is possible for a single actor to play more than one character in the same play

Further Explanation:

In SQL, in order to define relational schema (Tables) for a database, we use CREATE TABLE statement to create a new table in a database.  The column parameters specify the names of the columns of the table.  The datatype parameter specifies the type of data the column can hold (varchar, integer, date)

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3 years ago
At higher doses what behaves like PCP causing feelings of power and invulnerability
ser-zykov [4K]
I don't think any answer would be correct, if you have an option "none of the above" then that would be the correct answer
5 0
3 years ago
How to connect on phpmyadmin?plss
Alex

Open your browser and go to localhost/PHPMyAdmin or click “Admin” in XAMPP UI. Now click Edit privileges and go to Change Admin password, type your password there and save it. Remember this password as it will be used to connect to your Database.

hope this helps!

5 0
2 years ago
Whereas &lt; is called a relational operator, x &lt; y is called a(n) ________. A) Arithmetic operator B) Relative operator C) R
Westkost [7]

Answer:

The answer is "Option C".

Explanation:

Relational expression are one or more variable and maybe even values, which operators have linked together. It is also known as the process, which is used to calculate the outcome, that is generated by the relational expression. These words are typically designed to answer the questions in boolean values, and other options were not correct, that can be described as follows:

  • In option A, This process is used to perform the mathematical operation, that's why it is not correct.
  • Option B and Option D both is used to compare values, that's why it is not correct.
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3 years ago
The typing area is bordered on the right side by bars in ms word
lidiya [134]

Answer:

Explanation:

PTA NHI

6 0
3 years ago
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