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MySQL | REPEAT method

Database

MySQL

Documentation

Functions

String

Mar 9, 2022

Last updated

local_offer MySQL

Parameters

1. str | string

The string to repeat.

2. count | number

The number of times to repeat the input string.

Return value

The input string repeated count times.

Examples

Consider the following table about some students:

student_id	fname	lname	day_enrolled	age	username
1	Sky	Towner	2015-12-03	17	stowner1
2	Ben	Davis	2016-04-20	19	bdavis2
3	Travis	Apple	2018-08-14	18	tapple3
4	Arthur	David	2016-04-01	16	adavid4
5	Benjamin	Town	2014-01-01	17	btown5

The above sample table can be created using the code here.

Basic usage

To repeat first name twice:


        
        
            
                
                
                    SELECT REPEAT(fname, 2)
FROM students;
                
            
            +-------------------+
| REPEAT(fname, 2)  |
+-------------------+
| SkySky            |
| BenBen            |
| TravisTravis      |
| ArthurArthur      |
| BenjaminBenjamin  |
+-------------------+

Count < 1

If count < 1 then an empty string is returned:


        
        
            
                
                
                    SELECT REPEAT(fname, 0)
FROM students;
                
            
            +------------------+
| REPEAT(fname, 0) |
+------------------+
|                  |
|                  |
|                  |
|                  |
|                  |
+------------------+

NULL input

If either of the inputs is NULL, NULL is returned:


        
        
            
                
                
                    SELECT REPEAT(fname, NULL)
FROM students;
                
            
            +---------------------+
| REPEAT(fname, NULL) |
+---------------------+
| NULL                |
| NULL                |
| NULL                |
| NULL                |
| NULL                |
+---------------------+