本程序通过两个简单的例子来说明Java acm包中的使用，非常有学习参考价值...

alter table tbl_name add col_name type 例如,给表增加一列weight mysql>alter table pet add weight int 删除列 alter table tbl_name drop col_name 例如，删除列weight： mysql>alter table pet drop weight 改变列 alter table tbl_name modify col_name type 例如，改变weight的类型： mysql> alter table pet modify weight samllint 另一种方法是： alter table tbl_name change old_col_name col_name type 例如： mysql> alter table pet change weight weight samllint 给列更名 mysql>alter table pet change weight wei 给表更名 alter table tbl_name rename new_tbl 例如，把pet表更名为animal mysql>alter table pet rename animal -alter table tbl_name add col_name type for example, to form an increase in weight mysql> alter table pet add weight int Remove Columns alter table tbl_name drop col_name For example, the deletion of column weight: mysql> alter table pet drop weight change out alter table tbl_name modify col_name type for example, the type of weight change: mysql> alter table pet modify w

SqlPlus(1.01) 这是一个纯JAVA的数据操作软件，目前能支持ORACLE及SQL SERVER。能同时打开多个不同数据库的连接，并支持语法检查及关键字加亮。 本软件有较好UI界面，特别适合需要使用多种数据库的开发人员使用。 本软件开放源码，结构虽然不是很清晰，但比较适合JAVA初学者学习，希望网友们能和我一起完善它。-SqlPlus (1.01) This a pure Java software data operation, will support Oracle and SQL Server. Open at the same time a number of different database connectivity, and support for syntax checking and keyword highlighting. The software has a better UI interface, especially for the use of multiple database developers to use. The open-source software, although the structure is not very clear, but more suitable for beginners to learn Java, netizens will be able to join me perfect.

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