出力は、DebugPointDataオブジェクトの配列です。 使用上のノート このプロシージャでは、次のエラーが発生する場合があります。 ORA-04163: 入力がJavaヒープ・ダンプ形式でない場合。 ORA-04166: デバッグ出力が無効な場合。 参照: デバッグ出力の分析の詳
In these changes, a Transaction T that provides a Read_item (Z) or Write_item (Z) in such a way that TS (T) > Write_TS (Z) has its read or write operation of functioning delayed up to the point when the Transaction T from which the values of Z wrote down has committed or ...
See JSON_OBJECT_T Object Type for more information. For example:SELECT JSON_OBJECT(* RETURNING CLOB) from(SELECT warehouse_id, quantity FROM inventories)Usage Notes: The query parameter value that you supply can be an advanced query, if required, such as a query that includes joins or ...
Multi-user access: In continuation of the above point, multiple users can be given access once certain limits are set. These limits ensure that the data can be accessed or viewed as per the rights given. Metadata support: Metadata is defined as the data that summarizes the main data; it ...
The full backup will take a snapshot of the full data at a point. Incremental Backup – It won’t backup the full data. Instead, it will back up only the new data that was added. Differential Backup – It will back up the data and save it from the last full backup. Best ...
The transaction is actually said to be committed when it is beyond the commit point and its effect is actually assumed to be permanently recorded or captured in the database. After this transaction basically writes a commitrecord[commit, T]into the log. ...
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= t2.t1_id AND t1.n = 19; select * from table(dbms_xplan.display_cursor(null,null,'allstats last')); 实验2、在驱动表...(dbms_xplan.display_cursor(null,null,'allstats last')); 结果,在驱动表的连接条件上建立索引之后,buffer从2019下降到了2015。 要点2:被驱动的智能...
Failed− A transaction is said to be in a failed state if any of the checks made by the database recovery system fails. A failed transaction can no longer proceed further. Aborted− If any of the checks fails and the transaction has reached a failed state, then the recovery manager ro...
Another possible reason is that if the database is closed or the task queue is so busy that the task cannot be executed on time at the scheduled time point. In this case, the task will try to run as soon as possible, that is, as long as the database is opened or the task queue...