Oracle Optimizer Hint优化器提示分类表
| 分类 | 9i R1 | 9i R2 | 10g R1 | 10g R2 | 11g R1 | 11g R2 |
| 优化器模式 | ALL_ROWS | ALL_ROWS | ALL_ROWS | ALL_ROWS | ALL_ROWS | ALL_ROWS |
| FIRST_ROWS(n) | FIRST_ROWS(n) | FIRST_ROWS(n) | FIRST_ROWS(n) | FIRST_ROWS(n) | FIRST_ROWS(n) | |
| CHOOSE | CHOOSE | |||||
| RULE | RULE | RULE ※askmac.cn | ||||
| Hints | OPTIMIZER_FEATURES_ENABLE | |||||
| 针对访问路径 | FULL | FULL | FULL | FULL | FULL | FULL |
| access path的HINT | ROWID | ROWID | ||||
| CLUSTER | CLUSTER | CLUSTER | CLUSTER | CLUSTER | CLUSTER | |
| HASH | HASH | HASH | HASH | HASH | HASH | |
| INDEX | INDEX | INDEX | INDEX | INDEX | INDEX | |
| NO_INDEX | NO_INDEX | NO_INDEX | NO_INDEX | NO_INDEX | NO_INDEX | |
| INDEX_ASC | INDEX_ASC | INDEX_ASC | INDEX_ASC | INDEX_ASC | INDEX_ASC | |
| INDEX_COMBINE | INDEX_COMBINE | INDEX_COMBINE | INDEX_COMBINE | INDEX_COMBINE | INDEX_COMBINE | |
| INDEX_JOIN | INDEX_JOIN | INDEX_JOIN | INDEX_JOIN | INDEX_JOIN | INDEX_JOIN | |
| INDEX_DESC | INDEX_DESC | INDEX_DESC | INDEX_DESC | INDEX_DESC | INDEX_DESC | |
| INDEX_FFS | INDEX_FFS | INDEX_FFS | INDEX_FFS | INDEX_FFS | INDEX_FFS | |
| AND_EQUAL | AND_EQUAL | NO_INDEX_FFS | NO_INDEX_FFS | NO_INDEX_FFS | NO_INDEX_FFS | |
| INDEX_SS | INDEX_SS | INDEX_SS | INDEX_SS | |||
| NO_INDEX_SS | NO_INDEX_SS | NO_INDEX_SS | NO_INDEX_SS | |||
| INDEX_SS_ASC | INDEX_SS_ASC | INDEX_SS_ASC | INDEX_SS_ASC | |||
| INDEX_SS_DESC | INDEX_SS_DESC | INDEX_SS_DESC | INDEX_SS_DESC | |||
| 关于转换的HINT | NO_QUERY_TRANSFORMATION | NO_QUERY_TRANSFORMATION | NO_QUERY_TRANSFORMATION | NO_QUERY_TRANSFORMATION | ||
| USE_CONCAT | USE_CONCAT | USE_CONCAT | USE_CONCAT | USE_CONCAT | USE_CONCAT | |
| NO_EXPAND | NO_EXPAND | NO_EXPAND | NO_EXPAND | NO_EXPAND | NO_EXPAND | |
| REWRITE | REWRITE | REWRITE | REWRITE | REWRITE | REWRITE | |
| EXPAND_GSET_TO_UNION | ||||||
| NOREWRITE | NOREWRITE | NO_REWRITE | NO_REWRITE | NO_REWRITE | NO_REWRITE | |
| MERGE | MERGE | MERGE | MERGE | MERGE | MERGE | |
| NO_MERGE | NO_MERGE | NO_MERGE | NO_MERGE | NO_MERGE | NO_MERGE | |
| STAR_TRANSFORMATION | STAR_TRANSFORMATION | STAR_TRANSFORMATION | STAR_TRANSFORMATION | STAR_TRANSFORMATION | STAR_TRANSFORMATION | |
| NO_STAR_TRANSFORMATION | NO_STAR_TRANSFORMATION | NO_STAR_TRANSFORMATION | NO_STAR_TRANSFORMATION | |||
| FACT | FACT | FACT | FACT | FACT | FACT | |
| NO_FACT | NO_FACT | NO_FACT | NO_FACT | NO_FACT | NO_FACT | |
| UNNEST | UNNEST | UNNEST | UNNEST | |||
| NO_UNNEST | NO_UNNEST | NO_UNNEST | NO_UNNEST | |||
| JOIN order HINT | LEADING | LEADING | LEADING | LEADING | ||
| ORDERED | ORDERED | ORDERED | ORDERED | ORDERED | ORDERED | |
| STAR | STAR | |||||
| JOIN操作HINT | USE_NL | USE_NL | USE_NL | USE_NL | USE_NL | USE_NL |
| NO_USE_NL | NO_USE_NL | NO_USE_NL | NO_USE_NL | |||
| USE_NL_WITH_INDEX | USE_NL_WITH_INDEX | USE_NL_WITH_INDEX | USE_NL_WITH_INDEX | |||
| USE_MERGE | USE_MERGE | USE_MERGE | USE_MERGE | USE_MERGE | USE_MERGE | |
| NO_USE_MERGE | NO_USE_MERGE | NO_USE_MERGE | NO_USE_MERGE | |||
| USE_HASH | USE_HASH | USE_HASH | USE_HASH | USE_HASH | USE_HASH | |
| NO_USE_HASH | NO_USE_HASH | NO_USE_HASH | NO_USE_HASH | |||
| DRIVING_SITE | DRIVING_SITE | （参见其他HINT） | （参见其他HINT） | （参见其他HINT） | （参见其他HINT） | |
| LEADING | LEADING | |||||
| HASH_AJ、MERGE_AJ、NL_AJ | HASH_AJ、MERGE_AJ、NL_AJ | |||||
| HASH_SJ、MERGE_SJ、NL_SJ | HASH_SJ、MERGE_SJ、NL_SJ | |||||
| 特殊 | CHANGE_DUPKEY_ERROR_INDEX | |||||
| IGNORE_ROW_ON_DUPKEY_INDEX | ||||||
| RETRY_ON_ROW_CHANGE | ||||||
| 并行执行HINT | PARALLEL | PARALLEL | PARALLEL | PARALLEL | PARALLEL | PARALLEL |
| NOPARALLEL | NOPARALLEL | NO_PARALLEL | NO_PARALLEL | |||
| PQ_DISTRIBUTE | PQ_DISTRIBUTE | PQ_DISTRIBUTE | PQ_DISTRIBUTE | PQ_DISTRIBUTE | PQ_DISTRIBUTE | |
| PARALLEL_INDEX | PARALLEL_INDEX | PARALLEL_INDEX | PARALLEL_INDEX | PARALLEL_INDEX | PARALLEL_INDEX | |
| NOPARALLEL_INDEX | NOPARALLEL_INDEX | NO_PARALLEL_INDEX | NO_PARALLEL_INDEX | NO_PARALLEL_INDEX | NO_PARALLEL_INDEX | |
| 其他HINT | APPEND | APPEND | APPEND | APPEND | APPEND | APPEND |
| NOAPPEND | NOAPPEND | NOAPPEND | NOAPPEND | NOAPPEND | NOAPPEND | |
| APPEND_VALUES | ||||||
| CACHE | CACHE | CACHE 诗檀软件 | CACHE | CACHE | CACHE | |
| NOCACHE | NOCACHE | NOCACHE | NOCACHE | NOCACHE | NOCACHE | |
| UNNEST | UNNEST | |||||
| NO_UNNEST | NO_UNNEST | |||||
| PUSH_PRED | PUSH_PRED | PUSH_PRED | PUSH_PRED | PUSH_PRED | PUSH_PRED | |
| NO_PUSH_PRED | NO_PUSH_PRED | NO_PUSH_PRED | NO_PUSH_PRED | NO_PUSH_PRED | NO_PUSH_PRED | |
| PUSH_SUBQ | PUSH_SUBQ | PUSH_SUBQ | PUSH_SUBQ | PUSH_SUBQ | PUSH_SUBQ | |
| NO_PUSH_SUBQ | NO_PUSH_SUBQ | NO_PUSH_SUBQ | NO_PUSH_SUBQ | NO_PUSH_SUBQ | ||
| QB_NAME | QB_NAME | QB_NAME | QB_NAME | |||
| ORDERED_PREDICATES | ORDERED_PREDICATES | |||||
| CURSOR_SHARING_EXACT | CURSOR_SHARING_EXACT | CURSOR_SHARING_EXACT | CURSOR_SHARING_EXACT | CURSOR_SHARING_EXACT | CURSOR_SHARING_EXACT | |
| DYNAMIC_SAMPLING | DYNAMIC_SAMPLING | DYNAMIC_SAMPLING | DYNAMIC_SAMPLING | DYNAMIC_SAMPLING | ||
| SPREAD_MIN_ANALYSIS | ||||||
| MODEL_MIN_ANALYSIS | MODEL_MIN_ANALYSIS | MODEL_MIN_ANALYSIS | ||||
| DRIVING_SITE | DRIVING_SITE | DRIVING_SITE | DRIVING_SITE |
Comment