SQL Server 系统全局变量

/// <summary>
        /// 判断是否存在添加的流程名
        /// 没有则，添加个人配置的流程名
        /// </summary>
        /// <param name="uid">用户id</param>
        /// <param name="processName">流程名</param>
        public int AddPrivateProcessName(int uid,string processName)
        {
            string strSql = @"
                    if EXISTS(SELECT * FROM  dbo.WfProcessConfigPrivate WHERE empId=@empId AND PROCESSNAME=@PROCESSNAME)
                    BEGIN
                    SELECT 0
                    END
                    ELSE BEGIN
                         INSERT INTO dbo.WfProcessConfigPrivate( empId, PROCESSNAME ) OUTPUT INSERTED.ID VALUES  ( @empId,@PROCESSNAME)
                    END
                ";

            SqlParameter[] sqlPara=new SqlParameter[]{
              new SqlParameter("@empId",SqlDbType.Int),
              new SqlParameter("@PROCESSNAME",SqlDbType.NVarChar)
            };

            sqlPara[0].Value=uid;
            sqlPara[1].Value=processName;

          return Convert.ToInt32(DbHelper.ExecuteScalar(strSql, sqlPara));
            
        }