Oracle 5.0, Справочное руководство

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Mysqlnd query result cache plugin (
mysqlnd_qc
)
2674
["db"]=>
string(4) "test"
["max_length"]=>
int(1)
["length"]=>
int(11)
["type"]=>
int(3)
}
}
}
["Localhost via UNIX socket
3306
root
test|/*qc=on*/SELECT id FROM test WHERE id = 0"]=>
array(2) {
["statistics"]=>
array(11) {
["rows"]=>
int(0)
["stored_size"]=>
int(65)
["cache_hits"]=>
int(1)
["run_time"]=>
int(299)
["store_time"]=>
int(13)
["min_run_time"]=>
int(11)
["max_run_time"]=>
int(11)
["min_store_time"]=>
int(6)
["max_store_time"]=>
int(6)
["avg_run_time"]=>
int(5)
["avg_store_time"]=>
int(3)
}
["metadata"]=>
array(1) {
[0]=>
array(8) {
["name"]=>
string(2) "id"
["orig_name"]=>
string(2) "id"
["table"]=>
string(4) "test"
["orig_table"]=>
string(4) "test"
["db"]=>
string(4) "test"
["max_length"]=>
int(0)
["length"]=>
int(11)
["type"]=>
int(3)
}
}
}
}
}
It is possible to further break down the granularity of statistics to the level of the normalized statement
string. The normalized statement string is the statements string with all parameters replaced with
question marks. For example, the two statements
SELECT id FROM test WHERE id = 0
and