Job-Ready SQL in an Afternoon - String Subsets and Concatenations

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Information Technology (IT), Architecture
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University
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of string concatenation in SQL?
To convert strings into integers
To delete unwanted characters from strings
To split strings into multiple parts
To join multiple strings or columns together
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which symbol is used for string concatenation in SQL?
Double ampersands (&&)
Double vertical lines (||)
Double slashes (//)
Double colons (::)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you improve the readability of concatenated strings?
By adding spaces and custom text
By using only numeric values
By removing all spaces
By converting them to uppercase
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you concatenate an integer with a string in SQL?
The integer is ignored
The integer is automatically converted to a string
An error is thrown
The integer is converted to a float
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might you use string concatenation to combine date and time columns?
To create a single datetime value
To separate them into different columns
To convert them into integers
To delete the time column
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the starting index for positions in SQL when using the substring method?
1
0
3
2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you extract a substring starting from a specific position in SQL?
Using the trim function
Using the join method
Using the substring method
Using the split function
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