When you've found the desired row within your cursor, you can issue the appropriate UPDATE operation.
当您在游标内找到了所需行后,您可以执行相应的UPDATE操作。
The optimizer will deduce key value selection based on the functional dependency of the column within the row.
优化器将根据行中列的函数依赖性来推断关键值选择。
Use the position of the row within the pattern to figure out the cell style.
使用模式中行的位置查看单元格的样式。
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