String Operators

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    SQL++ provides the concatenation string operator.

    Concatenation

    The concatenation operator joins two strings. The result of the concatenation operator is also a string.

    Syntax

    concatenation-term ::= expr '||' expr
    Syntax diagram

    Example

    The following example shows concatenation of two strings.

    Query
    WITH airline AS (
       [
          { "name": "Delta Airlines", "code": "DL" },
          { "name": "United Airlines", "code": "UA" }
       ]
    )
    SELECT name || " (" || code || ")" AS full_airline_name
    FROM airline
    Result
    [
      {
        "full_airline_name": "Delta Airlines (DL)"
      },
      {
        "full_airline_name": "United Airlines (UA)"
      }
    ]

    Refer to Comparison Operators for string comparisons.