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Merge arjen@work.mysql.com:/home/bk/mysql-4.0

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into co3064164-a.bitbike.com:c:/home/mysql-4.0
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unknown 2001-11-05 12:48:01 +10:00
commit bf37ac8134
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Docs/manual.texi
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@ -5910,8 +5910,8 @@ in function.
@item @item
Use of full calculation names in the order part. (For ACCESS97) Use of full calculation names in the order part. (For ACCESS97)
@item @item
@code{UNION}, @code{MINUS}, @code{INTERSECT} and @code{FULL OUTER JOIN}. @code{MINUS}, @code{INTERSECT} and @code{FULL OUTER JOIN}.
(Currently only @code{LEFT OUTER JOIN} is supported) (Currently @code{UNION} (in 4.0) and @code{LEFT OUTER JOIN} are supported)
@item @item
Allow @code{UNIQUE} on fields that can be @code{NULL}. Allow @code{UNIQUE} on fields that can be @code{NULL}.
@item @item
@ -33777,6 +33777,12 @@ semantically equivalent to an @code{INNER JOIN} or a @code{LEFT JOIN}
with a @code{USING} clause that names all columns that exist in both with a @code{USING} clause that names all columns that exist in both
tables. tables.
@item
@cindex hints
@code{INNER JOIN} and @code{,} (comma) are semantically equivalent.
Both do a full join between the tables used. Normally, you specify
how the tables should be linked in the WHERE condition.
@item @item
@code{RIGHT JOIN} works analogously as @code{LEFT JOIN}. To keep code @code{RIGHT JOIN} works analogously as @code{LEFT JOIN}. To keep code
portable across databases, it's recommended to use @code{LEFT JOIN} portable across databases, it's recommended to use @code{LEFT JOIN}