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 MONITOR_LOAD 

This monitor system table MONITOR_LOAD contains information about executed SQL statements and access methods.

Column DESCRIPTION

Value

Explanation

SQL commands

Number of executed SQL statements

PREPAREs

Number of parsed SQL statements

PREPAREs repeated

Number of SQL statements that were parsed again after metadata was changed

EXECUTEs

Number of executions of SQL statements that have already been parsed

COMMITs

Number of executed COMMIT statements

ROLLBACKs

Number of executed ROLLBACK statements

LOCKs and UNLOCKs

Number of executed LOCK statements and UNLOCK statements

SUBTRANS BEGINs

Number of SQL statements for opening a subtransaction

SUBTRANS ENDs

Number of SQL statements for closing a subtransaction

SUBTRANS ROLLBACKs

Number of SQL statements for resetting a subtransaction

CREATEs

Number of SQL statements for creating database objects

ALTERs

Number of executed SQL statements for changing database objects

DROPs

Number of executed SQL statements for deleting database objects

SELECTs and FETCHes

Number of executed SQL statements for accessing data

SELECTs and FETCHes, rows read

Number of rows that were read when accessing data

SELECTs and FETCHes, rows qual

Number of rows that were read when accessing data and that fulfilled the conditions

INSERTs

Number of executed SQL statements for inserting rows

INSERTs, rows inserted

Number of inserted rows

UPDATEs

Number of executed SQL statements for changing rows

UPDATEs, rows read

Number of rows that were read when changing data

UPDATEs, rows updated

Number of changed rows

DELETEs

Number of executed SQL statements for deleting rows

DELETEs, rows read

Number of rows that were read when deleting data

DELETEs, rows deleted

Number of deleted rows

Internal DBPROC calls

Number of executions of database procedures

Internal trigger calls

Number of trigger executions

Primary key accesses

Number of searches with direct access by the key

Primary key accesses, rows read

Number of rows that were read by the direct key access

Primary key accesses, rows qual

Number of rows that were read by the direct key access and that fulfilled the conditions

Primary key range accesses

Number of searches with accesses within a key range

Primary key range accesses, rows read

Number of rows read within a key range

Primary key range accesses, rows qual

Number of rows read within a key range that fulfilled the condition

Index accesses

Number of searches with accesses to an index

Index accesses, rows read

Number of rows that were accessed indirectly by an index

Index accesses, rows qual

Number of rows that were accessed indirectly by an index and that fulfilled the condition

Index range accesses

Number of searches using an index range

Index range accesses, rows read

Number of rows that were accessed indirectly by an index using an index range

Index range accesses, rows qual

Number of rows that were accessed indirectly by an index using an index range and that fulfilled the condition

Isolated index accesses

Number of searches that could be successfully performed by an index either partly or completely and without accessing the rows of the base table

Isolated index accesses, rows read

Number of keys that were accessed in the searches described in ISOLATED INDEX ACCESSES

Isolated index accesses, rows qual

Number of keys that were accessed in the searches described in ISOLATED INDEX ACCESSES, and that fulfilled the condition

Isolated index range accesses

Number of searches in which a part of an index was used with values within a range without accessing the rows of the base table

Isolated index range accesses, rows read

Number of primary/secondary keys that were accessed in the searches described in ISOLATED INDEX RANGE ACCESSES

Isolated index range accesses, rows qual

Number of primary/secondary keys that were accessed in the searches described in ISOLATED INDEX RANGE ACCESSES, and that fulfilled the condition

Table scans

Number of searches in the whole base table

Table scans, rows read

Number of rows that were accessed in searches in the whole base table

Table scans, rows qual

Number of rows that were accessed in searches in the whole base table, and that fulfilled the condition

Isolated index scans

Number of searches in which a complete index was accessed without accessing rows in the base table

Isolated index scans, rows read

Number of index rows that were accessed in the searches described in ISOLATED INDEX SCANS

Isolated index scans, rows qual

Number of index rows that were accessed in the searches described in ISOLATED INDEX SCANS, and that fulfilled the condition

Memory sorts / sort&merge

Number of sort transactions in the main memory for creating temporary inversions

Memory sorts / sort&merge, rows read

Number of rows read for creating temporary inversions

Sorts by insertion

Number of sort transactions by inserting

Sorts by insertion, rows inserted

Number of rows that were inserted during the sort transaction

 

 

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