The depot places binaries and libraries in @file{/opt/mysql} and data in
The depot places binaries and libraries in @file{/opt/mysql} and data in
@file{/var/opt/mysql}. The depot also creates the appropriate entries in
@file{/var/opt/mysql}. The depot also creates the appropriate entries in
@file{/sbin/init.d} and @file{/sbin/rc2.d} to start the server automatically
@file{/etc/init.d} and @file{/etc/rc2.d} to start the server automatically
at boot time. Obviously, this entails being @code{root} to install.
at boot time. Obviously, this entails being @code{root} to install.
To install the HP-UX tar.gz distribution, you must have a copy of GNU
To install the HP-UX tar.gz distribution, you must have a copy of GNU
...
@@ -17715,6 +17715,8 @@ If you specify the keyword @code{LOW_PRIORITY}, execution of the
...
@@ -17715,6 +17715,8 @@ If you specify the keyword @code{LOW_PRIORITY}, execution of the
In this case the client has to wait until the insert statement is completed,
In this case the client has to wait until the insert statement is completed,
which may take a long time if the table is in heavy use. This is in
which may take a long time if the table is in heavy use. This is in
contrast to @code{INSERT DELAYED} which lets the client continue at once.
contrast to @code{INSERT DELAYED} which lets the client continue at once.
Note that @code{LOW_PRIORITY} should normally not be used with @code{MyISAM}
tables as this disables concurrent inserts.@xref{MyISAM}.
@item
@item
If you specify the keyword @code{IGNORE} in an @code{INSERT} with many value
If you specify the keyword @code{IGNORE} in an @code{INSERT} with many value
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@@ -18518,7 +18520,7 @@ the @code{mysql} database.
...
@@ -18518,7 +18520,7 @@ the @code{mysql} database.
@item @code{TABLES table_name [,table_name...]} @tab Flush only the given tables
@item @code{TABLES table_name [,table_name...]} @tab Flush only the given tables
@item @code{TABLES WITH READ LOCK} @tab Closes all open tables and locks all tables for all databases with a read until one executes @code{UNLOCK TABLES}.
@item @code{TABLES WITH READ LOCK} @tab Closes all open tables and locks all tables for all databases with a read until one executes @code{UNLOCK TABLES}. This is very convinient way to get backups if you have a file system, like Veritas,that can take snapshots in time.
@item @code{STATUS} @tab Resets most status variables to zero.
@item @code{STATUS} @tab Resets most status variables to zero.
@end multitable
@end multitable
...
@@ -19686,7 +19688,10 @@ table in the server and implemented with @code{pthread_mutex_lock()} and
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@@ -19686,7 +19688,10 @@ table in the server and implemented with @code{pthread_mutex_lock()} and
See @ref{Internal locking}, for more information on locking policy.
See @ref{Internal locking}, for more information on locking policy.
You can also lock all tables in all databases with read locks with the
You can also lock all tables in all databases with read locks with the
@code{FLUSH TABLES WITH READ LOCK} command. @xref{FLUSH}.
@code{FLUSH TABLES WITH READ LOCK} command. @xref{FLUSH}. This is very
convinient way to get backups if you have a file system, like Veritas,
that can take snapshots in time.
@findex SET OPTION
@findex SET OPTION
@node SET OPTION, GRANT, LOCK TABLES, Reference
@node SET OPTION, GRANT, LOCK TABLES, Reference
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@@ -21351,6 +21356,14 @@ article (item number) for certain traders (dealers). Supposing that each
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@@ -21351,6 +21356,14 @@ article (item number) for certain traders (dealers). Supposing that each
trader has a single fixed price per article, then (@code{item},
trader has a single fixed price per article, then (@code{item},
@code{trader}) is a primary key for the records.
@code{trader}) is a primary key for the records.
Start the command line tool @code{mysql} and select a database:
@example
mysql your-database-name
@end example
(In most @strong{MySQL} installations, you can use the database-name 'test').
You can create the example table as:
You can create the example table as:
@example
@example
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@@ -21486,7 +21499,7 @@ In @strong{MySQL} it's best do it in several steps:
...
@@ -21486,7 +21499,7 @@ In @strong{MySQL} it's best do it in several steps:
@enumerate
@enumerate
@item
@item
Get the list of (article,maxprice). @xref{example-Maximum-column-group-row}.
Get the list of (article,maxprice).
@item
@item
For each article get the corresponding rows which have the stored maximum
For each article get the corresponding rows which have the stored maximum
