正在加载图片...
DataBase System Ks Domain Types in SQL E blob: binary large object - object is a large collection of uninterpreted binary data( whose interpretation is left to an application outside of the database system) H clob: character large object --object is a large collection of character data A USer -defined domain >Example: create domain money numeric(12, 2) Haichang Gao, Software School, Xidian University 10DataBase System Haichang Gao , Software School , Xidian University 10 Domain Types in SQL  blob: binary large object -- object is a large collection of uninterpreted binary data (whose interpretation is left to an application outside of the database system).  clob: character large object -- object is a large collection of character data.  User-defined domain: ➢ Example: create domain money numeric(12, 2)
<<向上翻页向下翻页>>
©2008-现在 cucdc.com 高等教育资讯网 版权所有