SQL MID() FUNCTION
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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]) FROM table_name
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Parameter
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Description
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column_name
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Required. The field to extract characters from
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start
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Required. Specifies the starting position (starts at 1)
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length
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Optional. The number of characters to return. If omitted, the MID() function returns the rest of the text
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SQL MID() Example
We have the following "Persons" table:
P_Id
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LastName
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FirstName
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Address
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City
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1
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Hansen
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Ola
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Timoteivn 10
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Sandnes
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2
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Svendson
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Tove
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Borgvn 23
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Sandnes
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3
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Pettersen
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Kari
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Storgt 20
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Stavanger
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Now we want to extract the first four characters of the "City" column above.
We use the following SELECT statement:
SELECT MID(City,1,4) as SmallCity FROM Persons
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The result-set will look like this:
SmallCity
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Sand
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Sand
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Stav
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This post was written by: Rajendra Prasad
Rajendra Prasad is a professional blogger, web designer and front end web developer. Follow him on Facebook