(完整版)数据库重要术语(中英文)
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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,至少这些单词要认识。):
1. 数据库系统:database system(DS),database ma nageme nt system(DBMS)
2. 数据库系统(DS),数据库管理系统(DBMS)
3. 关系和关系数据库table= relation,column = attribute 属性,domain, atomic domain, row= tuple ,
relati onal database, relati on schema, relati on in sta nee, database schema, database in sta nee;
4. 表=关系,列=属性属性,域,原子域,排=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, can didate key, primary key, foreig n key, referencing relati on, referen ced relati on;
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, in
tersect, set differe nee ( except\m in us), Ren ame, assig nment, outer join, group ing, tuple relati on calculus
6. (关系代数):选择,项目,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、delete、update
DCL :数据库控制语言,关键字:grant、remove
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), uni que(as an operator), scalar subquery, asserti on, in dex(i ndices), catalogs, authorization, all privileges, granting, revoking , grant option, trigger, stored procedure, stored fun cti on 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
予,撤销,GRANT OPTION,触发器,存储过程,存储函数
8. 表结构相关:Integrity constraints, domain constraints, referential integrity constraints
9. 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, sin gle-valued
and multivalued attribute, derived attribute, binary relati on ship set, degree of relati on ship set, mapp ing card in ality, 1-1, 1-m, m-n relati on ship set (one to one, one to many, many to many), participati on, partial or total participati on, weak en tity sets, discrim in 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) ,参与部分或全部参与,弱实体集,分辨符属性,特化和概化
10. 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 R i ,F在Ri上的限定,canonical cover 正则覆盖, extraneous attributes 无关属性, decomposition algorithm 分解算法.
7. 函数依赖,规范化,无损连接(或无损)分解,第一范式(1NF ),第三范式(3NF )BC 范式
(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,并发控制系统concurrency control system, 故障恢
复系统recovery system, 事务状态transition state, 活动的active, 部分提交的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con flict of operatio ns, 冲突等价con flict equivale nee,冲突可串行化conflict serializablity,可串行化顺序serializablity order,联级回滚cascading rollback,圭寸锁协议locking
protocol ,共享(S)锁shared-mode lock (S-lock),排他(X)锁exclusive -mode lock (X-lock), 相容性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 -ystem applicati ons
文件处理系统file-processing system 数据不一致性data inconsistency 一致性约束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
数据模型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
规范化normalization
数据字典data dictionary
存储管理器storage manager 查询管理器query processor 事务transaction
原子性atomicity
故障恢复failure recovery
并发控制concurrency-control 两层和三层数据库体系结构two-tier/three-tier 数据挖掘data mining 数据库管理员DBA database administrator
表table