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MySQL - Home
MySQL - Introduction
MySQL - Features
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MySQL - Variables
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MySQL Users
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MySQL - Change Password
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MySQL Tables
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MySQL Views
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MySQL Operators and Clauses
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MySQL - EXISTS Operator
MySQL - NOT Operator
MySQL - NOT EQUAL Operator
MySQL - IS NULL Operator
MySQL - IS NOT NULL Operator
MySQL - Between Operator
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MySQL - MINUS Operator
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MySQL Joins
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Quiz on MySQL REGEXP_SUBSTR Function

1. What does the REGEXP_SUBSTR function do in MySQL?

A. Extracts a substring from a string using a regex
B. Replaces a substring in a string
C. Count occurrences of a substring
D. Converts a string to uppercase

2. What is the syntax for the REGEXP_SUBSTR function?

A. REGEXP_SUBSTR(string, pattern)
B. REGEXP_SUBSTR(string, pattern, start_position)
C. REGEXP_SUBSTR(string, pattern, start_position, match_occurrence)
D. All of the above

3. Which parameter is optional in the REGEXP_SUBSTR function?

A. string
B. pattern
C. start_position
D. match_occurrence

4. If a match is not found using REGEXP_SUBSTR, what is returned?

A. NULL
B. An empty string
C. Error message
D. 0

5. Can the REGEXP_SUBSTR function be used with character sets in MySQL?

A. Yes
B. No

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