更多"[单选题]Which statement correctly desc"的相关试题:
[多选题]Which two are true about SQL Performance Analyzer(SPA.?
A. It offers fine-grained analysis of all the SQL statements in the analysis task as a group
B. It provides before and after execution statistics for each SQL statement in the analysis task.
C. It is integrated with the SQL Access Advisor.
D. SQL statements that were originally run concurrently are run concurrently by SPA
E. It predicts the impact of system changes on SQL workload response time
[判断题]SQL语言具有两种使用方式，分别称为交互式SQL和嵌入式SQL。 ( )
A.正确
B.错误
[单选题]8.With reference to the statement in Question 6, if 3X is exchanged for 3Y:
A.A.nation A gains 2X
B.B.nation B gains 6Y
C.C.nation A gains 3Y
D.D.nation B gains 3Y
[单选题]9.With reference to the statement of Question 6, the range of mutually beneficial t rade between nation A and B is:
A.A.3Y < 3X < 5Y
B.B.5Y < 3X < 9Y
C.C.3Y < 3X < 9Y
D.D.1Y < 3X < 3Y
[单选题]7.With reference to the statement in Question 6:
A.A.Px/Py=1 in nation A
B.B.Px/Py=3 in nation B
C.C.Py/Px=1/3 in nation B
D.D.all of the above
[单选题] SQL语言又称为
A.结构化定义语言
B.结构化查询语言
C.结构化控制语言
D.结构化操纵语言
[单选题]SQL语言通常称为( )
A.结构化操纵语言
B.结构化定义语言
C.结构化查询语言
D.结构化控制语言
[单选题]
SQL信号类型有（）。
A.接地
B.悬空
C.电压控制
D.以上均有可能
[判断题]MapperFactoryBean的参数SqlSessionTemplate用于指定SqlSessionTemplate。如果与SqlSessionFactory同时设定,则只会启用SqlSessionFactory。( )
A.正确
B.错误
[单选题]SQL语言具有( )的功能。
A.关系规范化、数据操纵、数据控制
B.数据定义、数据操纵、数据控制
C.数据定义、关系规范化、数据控制
D.数据定义、关系规范化、数据操纵
[单选题]分析以下SQL命令:
SELECTprice
FROMinventory
WHEREpriceBETWEEN1AND50
AND(priceIN(55,30,95);
命令执行后的输出结果是：（）
A.30
B.55
C.95
D.NULL
[单选题] SQL的数据操纵语句不包括()
A.INSERT
B.UPDATE
C.DELETE
D.CHANGE
[单选题]当前最新的SQL语言是（ ）。
A.ANSI
B.ANSI
C.ANSI
D.Transact-SQL
[单选题]以下可能存在sql 注入攻击的部分是
A.get 请求参数
B.post 请求参数
C.cookie 值
D.以上均有可能
