SELECT Options
The following query engine hints are available for SELECT. These options are specified immediately following the SELECT keyword.
Examples
SELECT {OPTION FORCE_DISK}SELECT {OPTION FORCE_DISK="FALSE"}SELECT {OPTION STRICT}
Operator-level options (such as JOIN-level options) override SELECT-level options.
SELECT options should be specified at the root-level of the query. When SELECT options are specified as part of a subquery or subselect, they might not affect the root-level query execution plan.
| • | CASE_SENSITIVE (SELECT Option) |
| • | DISABLE_CBO (SELECT Option) |
| • | DISABLE_DATA_CACHE (SELECT Option) |
| • | DISABLE_DATA_CACHE_IMMEDIATE (SELECT Option) |
| • | DISABLE_JOIN_PRUNER (SELECT Option) |
| • | DISABLE_PLAN_CACHE (SELECT Option) |
| • | DISABLE_PUSH (SELECT Option) |
| • | DISABLE_SELECTION_REWRITER (SELECT Option) |
| • | DISABLE_SORT_REMOVAL (SELECT Option) |
| • | DISABLE_STATISTICS (SELECT Option) |
| • | DISABLE_THREADS (SELECT Option) |
| • | FORCE_DISK (SELECT Option) |
| • | FORCE_ESTIMATION (SELECT Option) |
| • | IGNORE_TRAILING_SPACES (SELECT Option) |
| • | MAX_ROWS_LIMIT (SELECT Option) |
| • | ROWS_OFFSET (SELECT Option) |
| • | STRICT (SELECT Option) |
| • | PUSH_NULL_SELECTS (SELECT OPTION) |
| • | DISABLE_CONSTANT_FUNCTION_INLINING (SELECT OPTION) |
| • | DISABLE_UNION_PREAGGREGATOR (SELECT OPTION) |
| • | USE_COMPARABLE_ESTIMATES (SELECT OPTION) |
Subtopics