Figure 22-3 shows the parts of a REORDER trigger. In the top box is the triggering statement. Under that is the trigger restriction, and under that is the triggered action.

 
  • 圖22-3顯示了觸發(fā)器REORDER的各個(gè)組成部分。圖的最上端是觸發(fā)語(yǔ)句。其下為觸發(fā)限制條件。最下為觸發(fā)操作。
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