16.20 - OEXISTS - Teradata Vantage NewSQL Engine

Teradata Vantageā„¢ Data Types and Literals

prodname
Teradata Database
Teradata Vantage NewSQL Engine
vrm_release
16.20
category
Programming Reference
featnum
B035-1143-162K

Purpose

Returns an integer value indicating whether the element specified by the index in array_expr contains a value or is in an uninitialized state.

Syntax

System Function

Method-Style

TD_SYSFNLIB.
Name of the database where the function is located.
array_expr
An ARRAY expression, which is one of the following:
  • A reference to an ARRAY column
  • An ARRAY constructor expression
  • A UDF expression
  • A UDM expression
index value
An unsigned integer value.
array_bound

An array instance of the predefined array type ArrayVec with a comma-separated list of integer values to define the bounds.