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 |