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.TH isamchk 1 "19 December 2000" "MySQL @MYSQL_BASE_VERSION@" "MySQL database"
.SH NAME
.BR isamchk
\- Description, check and repair of ISAM tables.
Used without options all tables on the command will be checked for errors
.SH USAGE
isamchk [OPTIONS] tables[.ISM]
.SH SYNOPSIS
.B isamchk
.RB [ \-a | \-\-analyze ]
.RB [ \-# | \-\-debug=... ]
.RB [ \-\-character\-sets\-dir=...]
.RB [ \-C | \-\-default\-character\-set=...]
.RB [ \-d | \-\-description ]
.RB [ \-e | \-\-extend\-check ]
.RB [ \-f | \-\-force ]
.RB [ \-? | \-\-help ]
.RB [ \-i | \-\-information ]
.RB [ \-k | \-\-keys\-used=# ]
.RB [ \-l | \-\-no\-symlinks]
.RB [ \-q | \-\-quick ]
.RB [ \-r | \-\-recover ]
.RB [ \-o | \-\-safe\-recover ]
.RB [ \-O | "\-\-set\-variable var=option"]
.RB [ \-s | \-\-silent ]
.RB [ \-S | \-\-sort\-index ]
.RB [ \-R | \-\-sort\-records=#]
.RB [ \-u | \-\-unpack ]
.RB [ \-v | \-\-verbose ]
.RB [ \-V | \-\-version ]
.RB [ \-w | \-\-wait ]
.SH DESCRIPTION
.TP
.BR \-a | \-\-analyze
Analyze distribution of keys. Will make some joins in
MySQL faster.
.TP
.BR \-# | \-\-debug=...
Output debug log. Often this is 'd:t:o ,filename`
.TP
.BR \-\-character\-sets\-dir=...
Directory where character sets are
.TP
.BR \-C | \-\-default\-character\-set=...
Set the default character set
.TP
.BR \-d | \-\-description
Prints some information about table.
.TP
.BR \-e | \-\-extend\-check
Check the table VERY thoroughly. One need use this
only in extreme cases as isamchk should normally find
all errors even without this switch
.TP
.BR \-f | \-\-force
Overwrite old temporary files.
If one uses \-f when checking tables (running isamchk
without \-r), isamchk will automatically restart with
\-r on any wrong table.
.TP
.BR \-? | \-\-help
Display help and exit.
.TP
.BR \-i | \-\-information
Print statistics information about the table
.TP
.BR \-k | \-\-keys\-used=#
Used with '\-r'. Tell ISAM to update only the first
# keys. This can be used to get faster inserts!
.TP
.BR \-l | \-\-no\-symlinks
Do not follow symbolic links when repairing. Normally
isamchk repairs the table a symlink points at.
.TP
.BR \-q | \-\-quick
Used with \-r to get a faster repair. (The data file
isn't touched.) One can give a second '\-q' to force
isamchk to modify the original datafile.
.TP
.BR \-r | \-\-recover
Can fix almost anything except unique keys that aren't
unique.
.TP
.BR \-o | \-\-safe\-recover
Uses old recovery method; slower than '\-r' but can
handle a couple of cases that '\-r' cannot handle.
.TP
.BR \-O | " \-\-set\-variable var=option "
Change the value of a variable.
.TP
.BR \-s | \-\-silent
Only print errors. One can use two \-s to make isamchk
very silent
.TP
.BR \-S | \-\-sort\-index
Sort index blocks. This speeds up 'read\-next' in
applications
.TP
.BR \-R | \-\-sort\-records=#
Sort records according to an index. This makes your
data much more localized and may speed up things
(It may be VERY slow to do a sort the first time!)
.TP
.BR \-u | \-\-unpack
Unpack file packed with pack_isam.
.TP
.BR \-v | \-\-verbose
Print more information. This can be used with
\-d and \-e. Use many \-v for more verbosity!
.TP
.BR \-V | \-\-version
Print version and exit.
.TP
.BR \-w | \-\-wait
Wait if table is locked.
.SH "SEE ALSO"
isamlog(1),
mysql(1),
mysqlaccess(1),
mysqladmin(1),
mysqld(1),
mysqld_multi(1),
mysqld_safe(1),
mysqldump(1),
mysql_fix_privilege_tables(1),
mysqlshow(1),
mysql_zap(1),
perror(1),
replace(1)
.P
For more information please refer to the MySQL reference
manual, which may already be installed locally and which
is also available online at http://www.mysql.com/doc/en/
.SH BUGS
Please refer to http://bugs.mysql.com/ to report bugs.
.SH AUTHOR
Ver 1.0, distribution @MYSQL_NO_DASH_VERSION@
Michael (Monty) Widenius (monty@mysql.com),
MySQL AB (http://www.mysql.com/).
This software comes with no warranty.
Manual page by L. (Kill-9) Pedersen
(kill-9@kill\-9.dk), Mercurmedia Data Model Architect /
system developer (http://www.mercurmedia.com)
.\" end of man page
|
