Revision as of 16:00, 13 March 2009

SYSIOSTATS

SQL Applications

Facility for monitoring table and index file I/O operations

System Tables are system defined read-only tables. You can query these tables using the SELECT statement.

Column	Data Type	Width	Description
TABLE_NAME	C	30	Table name
READS	N	10	# of row reads for table
UPDATES	N	10	# of row updates for table
DELETES	N	10	# of row deletes for table
RECALLS	N	10	# of row recalls for table
INSERTS	N	10	# of row inserts for table
DCACHEREADS	N	10	# of cache reads for table
DCACHEWRITES	N	10	# of cache writes for table
INDEXREADS	N	10	# of index reads for table
INDEXWRITES	N	10	# of index writes for table
ICACHEREADS	N	10	# of index cache reads for table
ICACHEWRITES	N	10	# of index cache writes for table

EXEC SQL
SELECT icachereads
FROM sysiostats;

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	==See Also==		==See Also==
−	[[DATA TYPES]], [[SQL SELECT\|SELECT]], [[SYSTEM TABLES]]	+	[[SQL Data Types\|DATA TYPES]], [[SQL SELECT\|SELECT]], [[SQL System Tables\|SYSTEM TABLES]]