15.00 - Chapter 27 Table Operators - Teradata Database

Teradata Database SQL Functions, Operators, Expressions, and Predicates

Teradata Database
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English (United States)
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Table operators accept a table or table expression as input and generate a table as output. They are a type of user-defined function (UDF). Table operators are used only in the FROM clause of SELECT statements.

Scalar sub-queries (SSQ) are sub-queries that result in a single value. SSQ is not supported in table operators with multiple ON clauses or ON clauses using PARTITION BY or HASH BY.

For information on the LOAD_FROM_HCATALOG table operator, see Teradata QueryGrid: Teradata Database-to-Hadoop.