【数据库系统工程师202305】【5】如果一个线性表最常用的操作是存取第i个元素及其后继（若存在）的值，那么使该操作最快的存储方式是（5）。

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【数据库系统工程师202305】【4】中断向量提供（4）。

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【数据库系统工程师202305】【3】设信息位是8位，用海明码来发现并纠正1位出错的情况，则校验位的位数至少为（3）。

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【数据库系统工程师202305】【2】在由高速缓存，主存和硬盘构成的三级存储体系中，CPU执行指令时需要读取数据，那么DMA控制器和中断CPU发出的数据地址是（2）。

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【数据库系统工程师202305】【1】计算机中，系统总线用于（1）的连接。

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【数据库系统工程师202205】【71-75】Corporate decision makers require access to information from multiple such sources.Setting up queries on individual sources is both cumbersome and （71）.Moreover，the sources of data may store only current data，whereas decision makers may need access to （72） data as well.A data warehouse is a repository （or archive）of information gathered from multiple sources，stored under a unified schema，at a （73）site.Once gathered，the data are stored for a long time，permitting access to historical data.Thus，data warehouses provide the user with a single consolidated（74）to data，making decision-support queries easier to write.Moreover，by accessing information for decision support from a data warehouse，the decision maker ensures that online transaction-processing systems are not（75）by the decision-supportworkdoa.

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【数据库系统工程师202205】【71-75】Corporate decision makers require access to information from multiple such sources.Setting up queries on individual sources is both cumbersome and （71）.Moreover，the sources of data may store only current data，whereas decision makers may need access to （72） data as well.A data warehouse is a repository （or archive）of information gathered from multiple sources，stored under a unified schema，at a （73）site.Once gathered，the data are stored for a long time，permitting access to historical data.Thus，data warehouses provide the user with a single consolidated（74）to data，making decision-support queries easier to write.Moreover，by accessing information for decision support from a data warehouse，the decision maker ensures that online transaction-processing systems are not（75）by the decision-supportworkdoa.

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【数据库系统工程师202205】【71-75】Corporate decision makers require access to information from multiple such sources.Setting up queries on individual sources is both cumbersome and （71）.Moreover，the sources of data may store only current data，whereas decision makers may need access to （72） data as well.A data warehouse is a repository （or archive）of information gathered from multiple sources，stored under a unified schema，at a （73）site.Once gathered，the data are stored for a long time，permitting access to historical data.Thus，data warehouses provide the user with a single consolidated（74）to data，making decision-support queries easier to write.Moreover，by accessing information for decision support from a data warehouse，the decision maker ensures that online transaction-processing systems are not（75）by the decision-supportworkdoa.

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【数据库系统工程师202205】【71-75】Corporate decision makers require access to information from multiple such sources.Setting up queries on individual sources is both cumbersome and （71）.Moreover，the sources of data may store only current data，whereas decision makers may need access to （72） data as well.A data warehouse is a repository （or archive）of information gathered from multiple sources，stored under a unified schema，at a （73）site.Once gathered，the data are stored for a long time，permitting access to historical data.Thus，data warehouses provide the user with a single consolidated（74）to data，making decision-support queries easier to write.Moreover，by accessing information for decision support from a data warehouse，the decision maker ensures that online transaction-processing systems are not（75）by the decision-supportworkdoa.

真题详情及解析

【数据库系统工程师202205】【71-75】Corporate decision makers require access to information from multiple such sources.Setting up queries on individual sources is both cumbersome and （71）.Moreover，the sources of data may store only current data，whereas decision makers may need access to （72） data as well.A data warehouse is a repository （or archive）of information gathered from multiple sources，stored under a unified schema，at a （73）site.Once gathered，the data are stored for a long time，permitting access to historical data.Thus，data warehouses provide the user with a single consolidated（74）to data，making decision-support queries easier to write.Moreover，by accessing information for decision support from a data warehouse，the decision maker ensures that online transaction-processing systems are not（75）by the decision-supportworkdoa.

真题详情及解析