The STRING statement concatenates the partial or complete contents of one
  or more data items into a single data item.

  Format -

   STRING { { src-string } ... DELIMITED BY { delim } } ...
          {                                 { SIZE  } }

       INTO dest-string [ WITH POINTER pointr ]

       [ ON OVERFLOW stment ] [ NOT ON OVERFLOW stment ]

       [ END-STRING ]

  Additional Information (explode) :

• src-string
• delim
• dest-string
• pointr
• stment