【数据库系统工程师202305】【71-75】（71） is a software package designed to store，retrieve，query and manage data.User interfaces （Uls） allows data to be created，read，updated and deleted by authorized entities. The system users include database administrators （DBAs）， application programmers and end users.Most of the time.（72） are the only ones to directly interact with a system. They use （73）to deal with database schemas and descriptions，of how the data should reside in the database.They use （74） to deal with data manipulation which includes most common SQL statements such as SELECT INSERT UPDATE DELETE etc..They also focus on managing and maintaining the （75）of the database system: prevent unauthorized access to the data.

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【数据库系统工程师202305】【71-75】（71） is a software package designed to store，retrieve，query and manage data.User interfaces （Uls） allows data to be created，read，updated and deleted by authorized entities. The system users include database administrators （DBAs）， application programmers and end users.Most of the time.（72） are the only ones to directly interact with a system. They use （73）to deal with database schemas and descriptions，of how the data should reside in the database.They use （74） to deal with data manipulation which includes most common SQL statements such as SELECT INSERT UPDATE DELETE etc..They also focus on managing and maintaining the （75）of the database system: prevent unauthorized access to the data.

真题详情及解析

【数据库系统工程师202305】【71-75】（71） is a software package designed to store，retrieve，query and manage data.User interfaces （Uls） allows data to be created，read，updated and deleted by authorized entities. The system users include database administrators （DBAs）， application programmers and end users.Most of the time.（72） are the only ones to directly interact with a system. They use （73）to deal with database schemas and descriptions，of how the data should reside in the database.They use （74） to deal with data manipulation which includes most common SQL statements such as SELECT INSERT UPDATE DELETE etc..They also focus on managing and maintaining the （75）of the database system: prevent unauthorized access to the data.

真题详情及解析

【数据库系统工程师202305】【71-75】（71） is a software package designed to store，retrieve，query and manage data.User interfaces （Uls） allows data to be created，read，updated and deleted by authorized entities. The system users include database administrators （DBAs）， application programmers and end users.Most of the time.（72） are the only ones to directly interact with a system. They use （73）to deal with database schemas and descriptions，of how the data should reside in the database.They use （74） to deal with data manipulation which includes most common SQL statements such as SELECT INSERT UPDATE DELETE etc..They also focus on managing and maintaining the （75）of the database system: prevent unauthorized access to the data.

真题详情及解析

【数据库系统工程师202305】【71-75】（71） is a software package designed to store，retrieve，query and manage data.User interfaces （Uls） allows data to be created，read，updated and deleted by authorized entities. The system users include database administrators （DBAs）， application programmers and end users.Most of the time.（72） are the only ones to directly interact with a system. They use （73）to deal with database schemas and descriptions，of how the data should reside in the database.They use （74） to deal with data manipulation which includes most common SQL statements such as SELECT INSERT UPDATE DELETE etc..They also focus on managing and maintaining the （75）of the database system: prevent unauthorized access to the data.

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【数据库系统工程师202305】【70】NoSql数据库的存储模型有（70）。

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【数据库系统工程师202305】【69】分布式数据库的设计主要考虑数据分布的设计，数据分布主要目的是提高访问的（69），即通过数据的合理分布，尽可能地使更多的数据能够就地存放，以减少远距离的数据访问。

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【数据库系统工程师202305】【68】磁盘属于（68）存储器。

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【数据库系统工程师202305】【67】事务故障时可能已对数据库进行了修改，为了消除该事务对数据库的影响，要利用日志文件中的记录，强行（67）该事务，将数据库恢复到初始状态。

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【数据库系统工程师202305】【66】（66）机制先在日志中记录一个事务的所有write己操作，而该事务的所有write操作拖延到事务最后一条语句被执行后才执行，来保证事务的原子性。

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