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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 |
