Omnidex SQL Function: SUBSTRING

The SUBSTRING function returns a new character string that is a substring of another string. The new string begins at the specified starting point in the original string (string1) and extends the number of characters specified in the length parameter. If the length parameter is omitted, the new string extends to the end of the original string.

The return data type is C STRING.

SUBSTRING( <column_spec | 'string' FROM start_no [ FOR length ]))

Required. This is the string that contains the characters that will be returned.

The FROM keyword is required.

Required. start is an integer indicating the position of the first character relative to 1 that will be returned.

Optional. This indicates the number of characters after and including the start character, that will be returned. If omitted, all of the remaining characters after and including the start character will be returned.

SELECT product_no,
SUBSTRING(PRODUCTS.PRODUCT_NO FROM 2 FOR 3) AS Sub1, 
SUBSTRING(PRODUCTS.PRODUCT_NO FROM 5) AS Sub2
FROM products
 
 Product_No        Sub1       Sub2
 
 ASUP93541         SUP        93541
 BPRI54687         PRI        54687