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ra1l [238]
4 years ago
7

Tanya wants to create an sql query to fetch records from a table. which is the first word she has to type to write the query?

Computers and Technology
1 answer:
kogti [31]4 years ago
7 0

Answer:

SELECT

Explanation:

Here's an example where you would fetch all records from table1

SELECT * FROM table1

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Explanation:

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Write one for loop to print out each element of the list several things. then write another for loop
Kay [80]

Question:

Write one for loop to print out each element of the list several_things. Then, write another for loop to print out the TYPE of each element of the list several_things.

Answer:

The solution in python is as follows:

for element in several_things:

    print(element)

   

for element in several_things:

    print(type(element))

Explanation:

The solution assumes that the list several_things has already been initialized.

So, the rest of the code is explained as follows:

This line iterates through the list, several_things

for element in several_things:

This line prints each element

    print(element)

This line iterates through the list, several_things for the second time    

for element in several_things:

This line prints the type of each element

    print(type(element))

6 0
3 years ago
Consider a hard disk with the following specifications :<br> 3.5 in diameter
AnnyKZ [126]

Answer:

usable capacity = 10 GB

Number of cylinders = 256

Block size = 4 KB

(1)Bytes in each cylinder = (10*230)/(256) = (10*222) = 40 MegaBytes

(2)Number of Blocks in each cylinder = (10*222)/(212) = 10K

(3)capacity of one track = 40 MegaBytes/(10*2) = 2 MB

Rotation speed = 3840 RPM

Number of rotations per second = 3840/60 = 64

Transfer rate = (2*64) = 128 MB/sec

Explanation:

6 0
3 years ago
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