行宽

• When the query is processed , intermediate tables and operators may have to store and process rows that are wider than any one of the input rows
  处理查询时，中间表和运算符可能需要存储和处理比输入行宽的行。
• Adjust the width of the row by sliding the vertical red row marker , and adjust the width of the columns by clicking the ruler at the top of the preview window
  通过滑动垂直的红色行标记可以调整行宽，通过单击预览窗口顶部的标尺可以调整列宽。