【单选题】【消耗次数：1】
视图的消解属于查询处理中的（ ）。
①
查询分析阶段
②
查询执行阶段
③
查询优化阶段
④
查询检查阶段
参考答案：
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相关题目
【单选题】
关系数据库管理系统查询处理4个阶段的执行顺序为（ ）。
①
查询分析、查询优化、查询检查、查询执行
②
查询分析、查询检查、查询优化、查询执行
③
查询分析、查询检查、查询执行、查询优化
④
查询检查、查询分析、查询优化、查询执行
【简答题】
就查询速度而言，顺序查询和索引查询，哪个查询速度相对较快?
【简答题】
通过对关系代数表达式的等价变换来提高查询效率在查询优化中称为[填空1]优化。
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①
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①
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②
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