Pattern Matching : Introduction « Regular Expressions « MySQL Tutorial

MySQL Tutorial

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2.	Select Query
3.	Database
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20.	Information Functions
21.	Math Numeric Functions
22.	Miscellaneous Functions
23.	String Functions
24.	Regular Expressions
25.	Data Dictionary
26.	MySQL Utilities
27.	Privilege

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MySQL Tutorial » Regular Expressions » Introduction

24. 1. 2. Pattern Matching

SQL pattern matching allows you to

use '_' to match any single character and

use '%' to match an arbitrary number of characters (including zero characters).

In MySQL, SQL patterns are case-insensitive by default.

You do not use = or <> when you use SQL patterns.

Use the LIKE or NOT LIKE comparison operators.

24. 1. Introduction
	24. 1. 1.	Regular Expressions
	24. 1. 2.	Pattern Matching
	24. 1. 3.	To find names beginning with 'J'
	24. 1. 4.	To find names ending with 'on'
	24. 1. 5.	To find names containing an 'a'
	24. 1. 6.	To find names containing exactly five characters, use five instances of the '_' pattern character

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