Accesses the value of a specified element in an ARRAY data type value.
This statement is ANSI SQL:2011 compliant, but includes non-ANSI Teradata extensions.
array_expression [ index_value [...] ]
- An expression that evaluates to an ARRAY data type.
Index to the element in the array whose value you want to access.
For a 1-D ARRAY type, index_value must be a positive integer in the range from 1 to n, where n is the declared size of the ARRAY type.
For an n-D ARRAY type, index_value must be a positive or negative integer in the range from m to n, where m is the declared lower bound of a dimension of the array, and n is the declared upper bound.