NEXT you use the before first command to position the cursor before the first row so that you can call the NEXT command to access the first row in the cursor.

接下来，使用BEFOREFIRST命令把游标定位到第一行之前，这样才可以调用NEXT命令来访问游标中的第一行。

youdao

NEXT you use the before first command to position the cursor before the first row so that you can call the NEXT command to access the first row in the cursor.

接下来，使用BEFOREFIRST命令把游标定位到第一行之前，这样才可以调用NEXT命令来访问游标中的第一行。

youdao