游标

• Advantages of using cursors with the query processor
  结合使用游标和查询处理器的优势
• The jdbc driver supports the following cursor types
  Jdbc驱动程序支持下列游标类型：
• That was a lot of work , just to open a cursor
  做这么多工作仅仅是为了打开一个游标！
• The cursor name is valid only within this scope
  游标名仅在该作用域内有效。
• It is a forward - only , non - updateable cursor
  是一个只进的、不可更新的游标。
• Provides information about cursors and locking
  介绍有关游标和锁定的信息。
• The cursor is implicitly deallocated only at disconnect
  该游标仅在断开时被隐式释放。
• Stops working when the cursor is on an input form
  选择是否当游标在输入框时停止作用。
• C . using delete on the current row of a cursor
  C .对游标的当前行使用delete
• Positions the cursor at the first queue in the list
  将游标放置在列表的第一个队列中。