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Re: Hash join order

From: Telemachus <telemachus_at_ulysseswillreturn.net>
Date: Mon, 31 Mar 2003 10:49:07 +0100
Message-ID: <naUha.6017$pK2.5936@news.indigo.ie>


Nice one Rene....
"Rene Nyffenegger" <rene.nyffenegger_at_gmx.ch> wrote in message news:b668d7$1utvu$1_at_ID-82536.news.dfncis.de...
>
> > Jonathan Lewis wrote:
> ><snip>
> >> then you need to include the hint
> >> swap_join_inputs(table_a)
> >> in the select statement (you may also need to
> >> include an index(table_c) for the test case you
> >> published).
> >
> > Thank you! That worked. Should I be worried that I can't find this
> > hint in the documentation?
>
>
> For some reasons, Oracle corp chose not to document every hint available.
But
> it seems possible to extract possible hints out of the oracle binary with
the
> unix command strings and they should be these (ora 9.2):
>
>
> RULE
> CHOOSE
> ORDERED
> ORDERED_PREDICATES
> DOMAIN_INDEX_SORT
> DOMAIN_INDEX_NO_SORT
> GLOBAL_TABLE_HINTS
> SKIP_EXT_OPTIMIZER
> FIRST_ROWS
> ALL_ROWS
> CPU_COSTING
> NOCPU_COSTING
> NO_MERGE
> PUSH_SUBQ
> NO_PUSH_SUBQ
> USE_CONCAT
> NO_EXPAND
> SEMIJOIN_DRIVER
> ANTIJOIN
> MERGE_AJ
> HASH_AJ
> NL_AJ
> SEMIJOIN
> NO_SEMIJOIN
> MERGE_SJ
> HASH_SJ
> NL_SJ
> STAR
> REMOTE_MAPPED
> STAR_TRANSFORMATION
> NOREWRITE
> REWRITE
> BYPASS_UJVC
> UNNEST
> NO_UNNEST
> LOCAL_INDEXES
> HWM_BROKERED
> IGNORE_ON_CLAUSE
> OVERFLOW_NOMOVE
> SYS_PARALLEL_TXN
> SYS_RID_ORDER
> BYPASS_RECURSIVE_CHECK
> MATERIALIZE
> INLINE
> NO_FILTERING
> FULL
> PARALLEL
> NOPARALLEL
> CACHE_CB
> CACHE
> NOCACHE
> CACHE_TEMP_TABLE
> DRIVING_SITE
> LEADING
> MERGE
> NO_PUSH_PRED
> PUSH_PRED
> USE_NL
> USE_MERGE
> USE_HASH
> USE_ANTI
> USE_SEMI
> PQ_DISTRIBUTE
> LIKE_EXPAND
> OR_EXPAND
> PQ_MAP
> PQ_NOMAP
> AND_EQUAL
> NO_INDEX
> INDEX_ASC
> INDEX_DESC
> INDEX_SS
> INDEX_SS_ASC
> INDEX_SS_DESC
> INDEX_COMBINE
> INDEX_JOIN
> INDEX_FFS
> INDEX_RRS
> PIV_SSF
> TIV_SSF
> PIV_GB
> TIV_GB
> CIV_GB
> CUBE_GB
> SAVE_AS_INTERVALS
> RESTORE_AS_INTERVALS
> BITMAP
> SCN_ASCENDING
> APPEND
> NOAPPEND
> HASH
> PARALLEL_INDEX
> NOPARALLEL_INDEX
> NESTED_TABLE_GET_REFS
> NESTED_TABLE_SET_REFS
> NESTED_TABLE_SET_SETID
> COLLECTIONS_GET_REFS
> NO_QKN_BUFF
> SWAP_JOIN_INPUTS
> FACT
> NO_FACT
> DEREF_NO_REWRITE
> BUFFER
> NO_BUFFER
> NO_ACCESS
> FORCE_SAMPLE_BLOCK
> CURSOR_SHARING_EXACT
> MV_MERGE
> EXPAND_GSET_TO_UNION
> NO_EXPAND_GSET_TO_UNION
> NO_PRUNE_GSETS
> USE_TTT_FOR_GSETS
> GBY_CONC_ROLLUP
> NO_STATS_GSETS
> NO_ORDER_ROLLUPS
> CARDINALITY
> SELECTIVITY
> IGNORE_WHERE_CLAUSE
> DYNAMIC_SAMPLING_EST_CDN
> DYNAMIC_SAMPLING
> NO_MONITORING
> SYS_DL_CURSOR
> SQLLDR
> DML_UPDATE
>
> Rene Nyffenegger
>
>
> --
> Projektleitung und Entwicklung in Oracle/C++/C# Projekten
> http://www.adp-gmbh.ch/cv.html
Received on Mon Mar 31 2003 - 03:49:07 CST

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