摘要：
DDL is Data Definition Language statements. Some examples: CREATE - to create objects in the databaseALTER - alters the structure of the databaseDROP - delete objects from the databaseTRUNCATE - remov... 阅读全文
posted @ 2009-09-17 15:27 lynstone 阅读(193) 评论(0) 推荐(0)
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