摘要：SELECT creation_time N'语句编译时间' ,last_execution_time N'上次执行时间' ,total_physical_reads N'物理读取总次数' ,total_logical_reads/execution_count N'每次逻辑读次数' ,total_logical_reads N'逻辑读取总次数' ,total_logical_writes N'逻... 阅读全文

摘要：-- Attempt to insert an explicit ID value of 3;-- should return a warning.INSERT INTO products (id, product) VALUES(3, 'garden shovel')GO你可从通过设置idetity_insert on来允许显式地插入。当identity_insert设为on 时，表的每一个插入... 阅读全文