更多"Having been served supper，（）."的相关试题:
[单项选择]HAVING子句中应后跟（）。
A. 组条件表达式
B. 视图序列
C. 列名序列
D. 行条件表达式
[单项选择]SELECT语句中与HAVING子句通常同时使用的是（）子句
A. ORDERBY
B. WHERE
C. GROUPBY
D. 无需配合
[单项选择]If business had been carried out to our satisfaction，we（）to renew the Agency Agreement.
A. had agreed
B. already agreed
C. shall agree
D. should have agreed
[判断题]在SQL SELECT语句中，HAVING子句不能单独出现，只能和GROUP BY子句同时使用。
[单项选择]SQL SELECT语句中的GROUP BY和HAVING子句对应查询设计器上的（）选项卡。
A. 字段
B. 联接
C. 分组依据
D. 排序依据
[判断题]All the flights be fore nine have been delayed because of poor visibility this morning.由于今天上午机械故障，9点钟以前的航班都被延误了。（）
[单项选择]There has been a positive response to the export promotion（）？
A. hasn’t it
B. hasn’t there
C. doesn’t it
D. has there
[简答题]用置换矩阵Ek=〔〕对明文Now we are having a test加密，并给出其解密矩阵及求出可能的解密矩阵总数。
[单项选择]（）has been one of the dominant theme in the development of logistics management. This development began 40 years ago at a local level. Today, many businesses are making efforts to integrate global networks, comprise several tiers of supplier and distributor, and the use of different transport modes and carriers.
A. Integration
B. Business reengineering
C. Supply chain management
D. ERP
