這稱為序列化能力 (Serializability),因為這樣可以產生重新載入起始資料並重新執行一系列的交易,以便讓資料最終能夠與原始交易執行後的狀態相同的能力。耐久性 完全持久交易完成之後,其作用便永遠存在於系統之中。 即使發生系統失敗仍會保存修改。 SQL Server 2014 (12.x) 和更新版本支援延遲的持久交...
You can supply additional "hints" to the optimizer as needed. Call the DBMS_APPLICATION_INFO.SET_ACTION procedure before beginning a transaction to register and name a transaction for later use when measuring performance across an application. You should specify what type of activity a transaction ...
Concurrency control in DBMS is an important concept that is related to the transactions and data consistency of the database management systems. Concurrency control refers to the process of managing independent operations of the database that are simultaneous and considered as a transaction in DBMS. ...
You can supply additional "hints" to the optimizer as needed. Call the DBMS_APPLICATION_INFO.SET_ACTION procedure before beginning a transaction to register and name a transaction for later use when measuring performance across an application. You should specify what type of activity a transaction ...
這稱為序列化能力 (Serializability),因為這樣可以產生重新載入起始資料並重新執行一系列的交易,以便讓資料最終能夠與原始交易執行後的狀態相同的能力。 耐久性 完全持久交易完成之後,其作用便永遠存在於系統之中。 即使發生系統失敗仍會保存修改。 SQL Server 2014 (12.x) 和更新版本支援延遲的持久交易。 延遲的持久...
You can supply additional "hints" to the optimizer as needed. Call the DBMS_APPLICATION_INFO.SET_ACTION procedure before beginning a transaction to register and name a transaction for later use when measuring performance across an application. You should specify what type of activity a transaction ...
Call theDBMS_APPLICATION_INFO.SET_ACTIONprocedure before beginning a transaction to register and name a transaction for later use when measuring performance across an application. You should specify what type of activity a transaction performs so that the system tuners can later see which transactions...