Main Tips on Using the SQL Length Function

SQL LEN Function: Main Tips

• This function brings back the data record value length.
• Different databases have variously named SQL LEN functions.

Syntax of SQL LEN

SELECT LEN(col_name) FROM tbl_name;

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Demo Database

In the below table there is a piece of  "Customers" table:

SQL LEN: Example

In the code example below we pick "Name" and "Address" columns length in the table "Customers":

SELECT CustomersName,LEN(AddressID) as LengthOfAddressID
FROM Customer;

SQLite syntax example

SELECT name, LENGTH(address) as lengthOfAddress
FROM Customers;