oracle 10g 有64个hints , 11g 增加到71 个, 下表中红色的代表已经过时的, 粗体的是11g 新增.
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Optimization Goals and Approaches (2) |
Access Path Hints (17) |
Other (20) |
Join Operation (7) |
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ALL_ROWS FIRST_ROWS
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CLUSTER FULL HASH INDEX NO_INDEX INDEX_ASC INDEX_DESC INDEX_COMBINE INDEX_JOIN INDEX_FFS INDEX_SS INDEX_SS_ASC INDEX_SS_DESC NATIVE_FULL_OUTER_JOIN NO_NATIVE_FULL_OUTER_JOIN NO_INDEX_FFS NO_INDEX_SS |
APPEND NOAPPEND CACHE NOCACHE CURSOR_SHARING_EXACT DRIVING_SITE DYNAMIC_SAMPLING MODEL_MIN_ANALYSIS MONITOR NO_MONITOR OPT_PARAM PUSH_PRED NO_PUSH_PRED PUSH_SUBQ NO_PUSH_SUBQ PX_JOIN_FILTER NO_PX_JOIN_FILTER QB_NAME RESULT_CACHE NO_RESULT_CACHE |
USE_HASH NO_USE_HASH USE_MERGE NO_USE_MERGE USE_NL USE_NL_WITH_INDEX NO_USE_NL |
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Join Order (2) |
Query Transformation (13) |
XML (2) |
Parallel Execution (5) |
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ORDERED LEADING |
FACT NO_FACT MERGE NO_MERGE NO_EXPAND USE_CONCAT REWRITE NO_REWRITE NOREWRITE* UNNEST NO_UNNEST STAR_TRANSFORMATION NO_STAR_TRANSFORMATION NO_QUERY_TRANSFORMATION |
NO_XMLINDEX_REWRITE NO_XML_QUERY_REWRITE |
PARALLEL NOPARALLEL* NO_PARALLEL PARALLEL_INDEX NO_PARALLEL_INDEX NOPARALLEL_INDEX* PQ_DISTRIBUTE |