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Oracle® Database Reference
11g Release 1 (11.1)

B28320-03
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HASH_AREA_SIZE

Property Description
Parameter type Integer
Default value Derived: 2 * SORT_AREA_SIZE
Modifiable ALTER SESSION
Range of values 0 to operating system-dependent
Basic No

Note:

Oracle does not recommend using the HASH_AREA_SIZE parameter unless the instance is configured with the shared server option. Oracle recommends that you enable automatic sizing of SQL working areas by setting PGA_AGGREGATE_TARGET instead. HASH_AREA_SIZE is retained for backward compatibility.

HASH_AREA_SIZE is relevant to parallel execution operations and to the query portion of DML or DDL statements. It specifies the maximum amount of memory, in bytes, to be used for hash joins.

See Also: