Difference between revisions of "SYSIOSTATS"

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

Revision as of 16:00, 13 March 2009

SYSIOSTATS

Class

SQL Applications


Purpose

Facility for monitoring table and index file I/O operations


See Also

DATA TYPES, SELECT, SYSTEM TABLES


Description

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


Example

EXEC SQL
SELECT icachereads
FROM sysiostats;


Products

Recital Database Server, Recital Mirage Server, Recital Terminal Developer