oracle中查找執(zhí)行效率低下的sql(編輯修改稿)
2025-07-23 11:49 本頁面
【文章內容簡介】 ing execution of all the child cursors.SORTSNUMBERSum of the number of sorts that were done for all the child cursorsVERSION_COUNTNUMBERNumber of child cursors that are present in the cache under this parentLOADED_VERSIONSNUMBERNumber of child cursors that are present in the cache and have their context heap (KGL heap 6) loadedOPEN_VERSIONSNUMBERThe number of child cursors that are currently open under this current parentUSERS_OPENINGNUMBERNumber of users that have any of the child cursors openFETCHESNUMBERNumber of fetches associated with the SQL statementEXECUTIONSNUMBERTotal number of executions, totalled over all the child cursorsEND_OF_FETCH_COUNTNUMBERNumber of times this cursor was fully executed since the cursor was brought into the library cache. The value of this statistic is not incremented when the cursor is partially executed, either because it failed during the execution or because only the first few rows produced by this cursor are fetched before the cursor is closed or reexecuted. By definition, the value of the END_OF_FETCH_COUNT column should be less or equal to the value of the EXECUTIONS column.USERS_EXECUTINGNUMBERTotal number of users executing the statement over all child cursorsLOADSNUMBERNumber of times the obj
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