SQL MID() Function

The MID() Function

The MID() function is used to extract characters from a text field.

SQL MID() Syntax

SELECT MID(column_name,start[,length]) AS some_name FROM table_name;
Parameter Description
column_name Required. The field to extract characters from
start Required. Specifies the starting position (starts at 1)
length Optional. The number of characters to return. If omitted, the MID() function returns the rest of the text

Note: The equivalent function for SQL Server is SUBSTRING():

SELECT SUBSTRING(column_name,start,length) AS some_name FROM table_name;

Example

SELECT MID(City,1,4) AS ShortCity
FROM Customers;

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