Specifies either rows or a list of ordered columns.

 
row-value-constructor::= {row-value-constructor-element
    | (row-value-constructor-element
       [,row-value-constructor-element] ...) | row-subquery}
row-value-constructor-element::= value-expression
 

1. The maximum number of row value constructor elements that can be specified in a row value constructor is 255.
2. The following data types cannot be specified for columns of the results of a row value constructor:
   
   • BLOB
   • BINARY with a minimum definition length of 32,001 bytes
   • Abstract data type
   • BOOLEAN
3. In the specification of two or more row value constructor elements, if a repetition column is specified as a row value constructor element, the subscript ANY cannot be specified.
4. For details about row subqueries, see 2.4 Subqueries.