bid bookname author
1 unix sumitaba das
2 java balaguruswamy
3 db elmasari
4 c padma redddy
5 ada yeshwant kanetkar
6 datastructure padma redddy
7 microprocessor padma redddy
我如何格式化上述输出以获得列之间的适当空间,使其如下所示:
bid bookname author
1 unix sumitaba das
2 java balaguruswamy
3 db elmasari
4 c padma redddy
5 ada yeshwant kanetkar
6 datastructure padma redddy
7 microprocessor padma redddy
我正在将 SQL 查询的结果捕获到一个文件中,并在我的程序中显示该文件。