class DB { private static SqlConnection conn; public static SqlConnection getConn() { //conn = new SqlConnection("server=localhost;database=import;uid=sa;pwd=123");//第一种用户名密码方式 conn = new SqlConnection("Data Source= localhost;Integrated
⒈offset fetch next方式[SqlServer2012及以上版本支持][推荐] select * from T_User order by id offset rows /*(页数-1) * 条数 */ rows only /* 条数 */ ⒉row_number() over()方式[SqlServer2005以上版本支持] select * from (select *,row_number() over(order by id) as orderId from T_User)
USE tempdb GO SET NOCOUNT ON --创建表结构 IF OBJECT_ID(N'ClassB', N'U') IS NOT NULL DROP TABLE ClassB GO ), CreateDate DATETIME, AID INT, Status INT) CREATE INDEX IDX_CreateDate ON ClassB(CreateDate) CREATE INDEX IDX_AID ON ClassB(AID) GO --插入测试数据 DECLARE
方法一: Use 数据库名 Select NAME,size From sys.database_files ALTER DATABASE 数据库名 SET RECOVERY SIMPLE WITH NO_WAIT ALTER DATABASE 数据库名 SET RECOVERY SIMPLE USE 数据库名 DBCC SHRINKFILE(N’日志文件名’,0,TRUNCATEONLY) ALTER DATABASE 数据库名 SET RECOVERY FULL WITH NO_WAIT A