Oracle 5.0 Reference Manual page 550

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Open_files
The number of files that are open. This count includes regular files opened by the server. It does
not include other types of files such as sockets or pipes. Also, the count does not include files that
storage engines open using their own internal functions rather than asking the server level to do so.
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Open_streams
The number of streams that are open (used mainly for logging).
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Open_tables
The number of tables that are open.
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Opened_tables
The number of tables that have been opened. If
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table_cache
•
Prepared_stmt_count
The current number of prepared statements. (The maximum number of statements is given by the
max_prepared_stmt_count
•
Qcache_free_blocks
The number of free memory blocks in the query cache.
•
Qcache_free_memory
The amount of free memory for the query cache.
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Qcache_hits
The number of query cache hits.
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Qcache_inserts
The number of queries added to the query cache.
•
Qcache_lowmem_prunes
The number of queries that were deleted from the query cache because of low memory.
•
Qcache_not_cached
The number of noncached queries (not cacheable, or not cached due to the
query_cache_type
•
Qcache_queries_in_cache
The number of queries registered in the query cache.
•
Qcache_total_blocks
The total number of blocks in the query cache.
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Queries
The number of statements executed by the server. This variable includes statements executed within
stored programs, unlike the
commands. This variable was added in MySQL 5.0.76.
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Questions
Server Status Variables
value is probably too small.
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[470] system variable.) This variable was added in MySQL 5.0.32.
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[485] setting).
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variable. It does not count
Questions
530
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Opened_tables
COM_PING
is big, your
or
COM_STATISTICS