trigger select 中文意思是什麼
trigger select
解釋
觸發選擇-
Select one or more conditions that will trigger this select actions for this rule
列表中設置規則部份動作 -
Dj3032 supply a positive trigger pin. build - in delay time is about 3 sec. el frequency select by op1 and op2. please refer el frequency select table
Dj3032提供1正觸發輸入腳，內建延遲時間約3秒鐘， dj3032以op1 、 op2來選擇el頻率，請參考el頻率選擇表。 -
After the test of rtdbms which we have realized, without trigger, it only need 80ms to insert 1000 records, 20ms to select 1000 records from the table, 100ms to update 1000 records, as against mysql and other relation dbms, our ' s rtdbms has hundredfold quick reaction, in the application environment in which many fields need be triggerd, it also has quick reaction which the other relation dbms is beyond comparison
通過測試，我們實現的實時數據庫系統在無觸發的情況下插入1000條記錄約耗時80ms ，查詢1000條記錄耗時22ms ，更新1000條記錄耗時90ms ，比mysql等關系數據庫有著高達百倍以上的快速反應能力，在有多個欄位觸發的應用環境下也有著關系數據庫不能比擬的效率，能夠滿足農電網監控系統對數據實時處理的要求。
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