摘要：--创建数据库SET NOCOUNT ON;USE masterif DB_ID('Performance') is null Create DATABASE PerformanceGOUSE Performance;GO--SET NOCOUNT ON;IF OBJECT_ID('dbo.Nums','U') IS NOT NULL DROP TABLE dbo.Nums;CREATE TABLE dbo.Nums(n INT NOT NULL PRIMARY KEY);DECLARE @max AS INT,@rc AS INT;SET @m 阅读全文