单词汇总(数据库专业一点的词汇其实主要就是每章后面review items的内容,在这里简单列一
下,如果你实在没时间看书,至少这些单词要熟悉.):
1. 数据库系统:database system(DS),database management system(DBMS)
2.数据库系统(DS),数据库治理系统(DBMS )
3. 关系和关系数据库table= relation , column = attribute 属性,domain, atomic domain, row= tuple ,
relational database, relation schema, relation instance, database schema, database instance;
4.表=关系,列=属性属性,域,原子域,排 二元组,关系型数据库,关系模式,关系实例,数 据库模式,数据库实例;
1. key 们:super key, candidate key, primary key, foreign key, referencing relation, referenced relation;
2.超码,候选码,主码,外码,参照关系,被参照关系
5.关系代数(relational algebra): selection, project, natural join, Cartesian product, set operations, union, intersect, set difference ( except\minus), Rename, assignment, outer join, grouping, tuple relation calculus
6.(关系代数):选择,工程,自然连接,笛卡尔积,集合运算,集,交集,集合差(除负),
重命名,分配,外连接,分组,元组关系演算
7.sql组成:
DDL :数据库模式定义语言,关键字:create
DML :数据操纵语言,关键字:Insert > deleteupdate
DCL :数据库限制语言,关键字:grantremove
DQL :数据库查询语言,关键字:select
8.
3.SQL 语言: DDL , DML , DCL , QL , sql query structure, aggregate functions, nested subqueries, exists(as an operator), unique(as an operator), scalar subquery, assertion, index(indices), catalogs, authorization, all privileges, granting, revoking , grant option, trigger, stored procedure, stored function
4.SQL语言:DDL , DML , DCL , QL , SQL查询结构,聚合函数,嵌套子查询,存在(如运 营商),独特的(如运营商),标量子查询,断言指数(指数),目录,授权,所有权限,授
数据库故障恢复
予,撤销,GRANT OPTION ,触发器,存储过程,存储函数
9. 表结构相关: Integrity constraints, domain constraints, referential integrity constraints
10.完整性约束,域名约束,参照完整性约束
5.数据库设计(ER 模型):Entity-Relationship data model, ER diagram, composite attribute, single-valued and multivalued attribute, derived attribute, binary relationship set, degree of relationship set, mapping cardinality, 1-1, 1-m, m-n relationship set (one to one, one to many, many to many), participation, partial or total participation, weak entity sets, discrimin
ator attributes, specialization and generalization
6.实体关系数据模型,ER图,复合属性,单值和多值属性,派生属性,二元关系集,关系集,
映射基数的程度,1-1, 1-米,MN关系集合(一对一,一对多,多对多),参与局部或全部
参与,弱实体集,分辨符属性,特化和概化
11. 函数依赖理论:functional dependence, normalization, lossless join (or lossless) decomposition,
First Normal Form (1NF), the third normal form (3NF), Boyce-codd normal form (BCNF), R satisfies F, F holds on R, Dependency preservation 保持依赖,Trivial, closure of a set of functional dependencies 函数依赖集的闭包,closure of a set of attributes 属性集闭包,
Armstrong 's axioms Armstrong 公理,reflexivity rule 自反律,augmentation rule,增广率, transitivity 传递律,restriction of F to Ri F Ri 上的限定,canonical cover 正那么覆盖, extraneous attributes 无关属性,decomposition algorithm 分解算法.
7.函数依赖,标准化,无损连接〔或无损〕分解,第一范式〔1NF〕,第三范式〔3NF〕 BC
〔BCNF〕, R满足F, F持有R,依赖保存,平凡,一组函数依赖封闭,一组属性,
8. 事务:transition, ACID properties ACID特性,并发限制系统 concurrency control system,故障恢
复系统 recovery system,事务状态transition state,活动的 active,局部提交的partially
committed,失败的 failed,中止的 aborted,提交的 committed,已结束的terminated,调度
schedule,操作冲突 conflict of operations, 冲突等价 conflict equivalence,冲突可串彳fconflict
serializablity ,可串行化顺序serializablity order,联级回滚 cascading rollback,封锁协议 locking
protocol ,共享〔S〕shared-mode lock 〔S-lock〕,排他〔X〕exclusive -mode lock 〔X-lock〕, 相 容卜i compatibility,两阶段封锁协议2-phase locking protocol,意向锁 intention lock,时间戳
timestamp, 恢复机制 recovery scheme,日志 log, 基于日志的恢复 log-based recovery, 延迟的 修改 deferred modification,立即的修改 immediate modification,检查点 checkpoint.
数据库系统 DBS Database System
数据库系统应用Database system applications
文件处理系统file-processing system
数据不一致性 data inconsistency
——致性约束 consistency constraint
数据抽象 Data Abstraction
实例 instance
模式 schema
物理模式 physical schema
逻辑模式logical schema
物理数据独立性physical data independence
数据方^型 data model
实体-联系模型 entity-relationship model 〔E-R〕
关系数据模型relational data model
基于对象的数据模型object-based data model
半结构化数据模型 semistructured data model
数据库语言 database language
数据定义语言data-definition language
数据操纵语言data-manipulation language
查询语言 query language
元数据 metadata
应用程序 application program
标准化 normalization
数据字典 data dictionary
存储治理器 storage manager
查询治理器 query processor
事务 transaction
原子性 atomicity
故障恢复 failure recovery
并发限制 concurrency-control
两层和三层数据库体系结构two-tier/three-tier
数据才2data mining
数据库治理员DBA database administrator
table
关系 relation
元组 tuple
空值 null value
数据库模式database schema
数据库实例database instance
关系模式 relation schema
关系实例 relation instance
keys
超码 super key
候选码 candidate key
主码 primary key
外码 foreign key
参照关系 referencing relation
被参照关系referenced relation
属性 attribute
domain

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