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Named/Unnamed Result Table 

The difference between a named result table and an unnamed result table (see result table name) is that the unnamed result table cannot be specified in a FROM clause or in CURRENT OF <result_table_name> of a subsequent SQL statement.

QUERY statement

 

DECLARE CURSOR statement (declare_cursor_statement)

A named result table is generated.

The column names of a result table defined by this QUERY statement do not have to be unique.

SELECT statement (select_statement)

A unnamed result table is generated.

The column names of a result table defined by this QUERY statement do not have to be unique.

SELECT Statement (named_select_statement)

A named result table is generated.

The column names of a result table generated by this QUERY statement must be unique.

 

 

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