MySQL 9.3 Reference Manual Including MySQL NDB Cluster 9.3
SHOW
has many forms that provide
information about databases, tables, columns, or status
information about the server. This section describes those
following:
SHOW BINARY LOG STATUS SHOW BINARY LOGS SHOW BINLOG EVENTS [IN 'log_name
'] [FROMpos
] [LIMIT [offset
,]row_count
] SHOW {CHARACTER SET | CHARSET} [like_or_where
] SHOW COLLATION [like_or_where
] SHOW [FULL] COLUMNS FROMtbl_name
[FROMdb_name
] [like_or_where
] SHOW CREATE DATABASEdb_name
SHOW CREATE EVENTevent_name
SHOW CREATE FUNCTIONfunc_name
SHOW CREATE PROCEDUREproc_name
SHOW CREATE TABLEtbl_name
SHOW CREATE TRIGGERtrigger_name
SHOW CREATE VIEWview_name
SHOW DATABASES [like_or_where
] SHOW ENGINEengine_name
{STATUS | MUTEX} SHOW [STORAGE] ENGINES SHOW ERRORS [LIMIT [offset
,]row_count
] SHOW EVENTS SHOW FUNCTION CODEfunc_name
SHOW FUNCTION STATUS [like_or_where
] SHOW GRANTS FORuser
SHOW INDEX FROMtbl_name
[FROMdb_name
] SHOW OPEN TABLES [FROMdb_name
] [like_or_where
] SHOW PLUGINS SHOW PROCEDURE CODEproc_name
SHOW PROCEDURE STATUS [like_or_where
] SHOW PRIVILEGES SHOW [FULL] PROCESSLIST SHOW PROFILE [types
] [FOR QUERYn
] [OFFSETn
] [LIMITn
] SHOW PROFILES SHOW RELAYLOG EVENTS [IN 'log_name
'] [FROMpos
] [LIMIT [offset
,]row_count
] SHOW REPLICA STATUS [FOR CHANNELchannel
] SHOW REPLICAS SHOW [GLOBAL | SESSION] STATUS [like_or_where
] SHOW TABLE STATUS [FROMdb_name
] [like_or_where
] SHOW [FULL] TABLES [FROMdb_name
] [like_or_where
] SHOW TRIGGERS [FROMdb_name
] [like_or_where
] SHOW [GLOBAL | SESSION] VARIABLES [like_or_where
] SHOW WARNINGS [LIMIT [offset
,]row_count
]like_or_where
: { LIKE 'pattern
' | WHEREexpr
}
If the syntax for a given SHOW
statement includes a LIKE
'
part,
pattern
''
is a
string that can contain the SQL pattern
'%
and
_
wildcard characters. The pattern is useful
for restricting statement output to matching values.
Several SHOW
statements also accept
a WHERE
clause that provides more flexibility
in specifying which rows to display. See
Section 28.8, “Extensions to SHOW Statements”.
In SHOW
statement results, user
names and host names are quoted using backticks (`).
Many MySQL APIs (such as PHP) enable you to treat the result
returned from a SHOW
statement as
you would a result set from a
SELECT
; see
Chapter 31, Connectors and APIs, or your API documentation for
more information. In addition, you can work in SQL with results
from queries on tables in the
INFORMATION_SCHEMA
database, which you cannot
easily do with results from SHOW
statements. See Chapter 28, INFORMATION_SCHEMA Tables.