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【简答题】
关于优化查询说法中正确的是______。 A) 避免或简化排序的目的是实现查询优化 B) 在保证数据库一致性的前提下，将频繁操作的多个可以分割的处理过程放在一个存储过程中，这样可以大大提高系统的响应速度 C) 使用临时表会占用较多的系统资源，尤其对于大规模并发量的情况下，很容易使得系统资源耗尽而崩溃 D) 相关子查询的使用可以加速查询
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举一反三
【单选题】not giving special favor or support to any one side
A.
unfair
B.
impartially
C.
impatient
D.
impossible
【单选题】not giving special favor or support to any one side.
A.
impartly
B.
impartial
C.
inpatial
D.
unfavorable
【简答题】阅读理解。 After giving a talk at a high school, I was asked to pay a visit to a special student. An illness had kept the boy home, but he had expressed an interest in meeting me. I was told it would mean ...
【简答题】D After giving a talk at a high school, I was asked to pay a visit to a special student. An illness had kept the boy home, but he had expressed an interest in meeting me, and it would mean a great dea...
【简答题】阅读理解。 After giving a talk at a high school, I was asked to pay a visit to a special student. An illness had kept the boy home, but he had expressed an interest in meeting me. I was told it would mean ...
【单选题】三4( ) 接地面积大,爬坡能力大,通过性能好,转弯半径小。行走慢,对地面有破坏作用,多用于野外和工地上。
A.
钢带起重机
B.
汽车起重机
C.
轮胎起重机
D.
履带起重机
【简答题】After giving a talk at a high school, I was asked to pay a visit to a special student. An illness had kept the boy home, but he had expressed an interest in meeting me. I was told it would mean a grea...
【单选题】not giving special favor or support to any one side.
A.
impartly
B.
impatial
C.
inpatial
D.
unfavorable
【简答题】阅读理解。 After giving a talk at a high school, I was asked to pay a visit to a special student. An illness had kept the boy home, but he was interested in meeting me. I was told it would mean a great dea...
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