表空间清理存储过程样例 当表空间满后，自动清理多余表 表按照时间建立-Sample clean-up the stored procedure table space when the table space is full, the automatic cleaning exemplar in accordance with the time to build up extra

Remove Extra Spaces (Sometimes text values contain leading, trailing, or multiple embedded space characters, this function removes spaces from text except for single spaces between words)

查找两个数据库所有表对比，删除多余列。生成语句并显示(Find two databases, compare all tables, and delete the extra columns)