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Database management systems (DBMS) app is a part of computer science which covers most important topics in simple English and diagrams for a quick study and revisions at the time of Exams, Viva, Assignments and Job interviews. 

The best app for school, college and work. If you are a student it will help to learn a lot. 

This useful App lists 150 topics in 5 chapters same as a book, totally based on practical as well as a strong base of theoretical knowledge with DBMS notes written in very simple and understandable English. 

Consider this App as a quick note guide which professors use in a classroom. The App will help in faster learning and quick revisions of all the topics. It is available in offline reading as well. 

Some of the topics Covered in the app are:
1. Overview of Database Management Systems
2. Database Systems versus File Systems
3. History of Database Systems
4. View of Data
5. Extending Database Capabilities
6. Types of Databases and Database Applications
7. Advantages of Database Systems
8. Functions of a DBMS
9. Role of the Database Administrator
10. Database Users
11. Data Models
12. Components of Database Management system
13. Transaction
14. Database Management System Languages
15. The two tier architecture
16. Three-layer architecture
17. Entity-Relationship Model
18. Database design and ER Diagrams
19. Entity Types, Attributes and Keys
20. Relationships and Relationship sets
21. Types of Entity
22. Constraints
23. Keys
24. Entity-Relationship Diagram
25. Hierarchical Data Model
26. Network Data Model
27. Design Issues
28. Extended E-R Features
29. Alternative E-R Notations
30. The Unified Modeling Language
31. Relational Model Terminology
32. Mathematical Definition of Relation
33. Database Relations
34. Structure of Relational Databases
35. Database Schema
36. Keys
37. Schema Diagram
38. The Relational Algebra
39. Composition of Relational Operations
40. The Union Operation
41. The Set Difference Operation
42. The Rename Operation
43. Formal Definition of the Relational Algebra
44. Additional Operations
45. Extended Relational-Algebra Operations
46. Outer Join
47. Null Values
48. Modification of the Database
49. Views
50. Physical Storage Media
51. RAID
52. Tertiary Storage
53. Storage Access
54. File Organization
55. Variable-Length Records
56. Organization of Records in Files
57. Indexing structures for files
58. Secondary Indexes
59. Clustering File Organization
60. Data-Dictionary Storage
61. Hashing
62. B Tree
63. Query-by-Example
64. Queries on One Relation
65. Queries on Several Relations
66. The Condition Box
67. The Result Relation
68. Ordering of the Display of Tuples
69. Aggregate Operations
70. Normalization
71. Functional Dependency
72. The Process of Normalization
73. First Normal Form (1NF)
74. Boyce.Codd Normal Form (BCNF)
75. Fourth Normal Form (4NF)
76. Fifth Normal Form (5NF)
77. Algorithm for Functional Dependencies
78. Objectives of SQL
79. History of SQL
80. Importance of SQL
81. SQL Statement
82. Use of DISTINCT
83. Search Condition
84. Pattern Matching
85. NULL Search Condition
86. SELECT Statement
87. SELECT Statement - Grouping
88. Sub queries
89. Join
90. Integrity Enhancement Feature
91. Data Definition
92. View
93. Transactions
94. Data-Definition Language
95. Schema Definition in SQL
96. Dynamic SQL
97. Lock-Based Protocols
98. Granting of Locks
99. Two-Phase Locking Protocol
100. Implementation of Locking
101. Graph-Based Protocols
102. Time-stamp-Based Protocols
103. Validation-Based Protocols
104. Deadlock Handling
105. Timeout-Based Schemes for Deadlock Prevention
106. Deadlock Detection
107. Recovery from Deadlock
108. Need for Concurrency Control

It is the most useful App for last minute preparations for Computer science, software engineering education courses and information technology degree programs of various universities. Download the DBMS app to learn more.
数据库管理系统（DBMS）的应用程序是计算机科学涵盖用简单的英语和图表最重要的主题，以快速学习和修订，在考试的时候，万岁，分配和面试的一部分。

学校，大学和工作的最好的应用程序。如果你是学生，这将有助于学到很多东西。

这个有用的应用程序列出了5章150个主题相同的一本书，完全基于理论知识与写的非常简单易懂的英语笔记DBMS实际和强碱。

考虑这个应用程序作为教授在课堂上使用的快速音符引导。该应用程序将帮助更快的学习和所有题目快速修订。它是在离线阅读可用。

一些在应用程序讨论的主题有：
1.数据库管理系统概述
2.数据库系统与文件系统
3.数据库系统的历史
4.查看数据
5.扩展数据库功能
6.数据库和数据库应用程序的类型
7.数据库系统的优点
8.一个DBMS的功能
9.数据库管理员的角色
10.数据库用户
11.数据模型
12.数据库管理系统的组件
13.交易
14.数据库管理系统语言
15.两层体系结构
16.三层架构
17.实体关系模型
18.数据库设计和ER图
19.实体类型，属性和键
20.关系和关系组
21.实体类型
22.约束
23.键
24.实体关系图
25.层次数据模型
26.网络数据模型
27.设计问题
28.基于扩充E-R特性
29.备选方案E-R不缩
30.统一建模语言
31.关系模型术语
32.关系的数学定义
33.数据库关系
34.关系数据库结构
35.数据库模式
36.键
37.架构图
38.关系代数
39.组成关系操作的
40.联合行动
41.设置差异化经营
42.重命名操作
关系代数的43形式化定义
44.附加的操作
45.扩展关系代数操作
46.外连接
47.空值
48.修改数据库的
49.查看
50.物理存储介质
51. RAID
52.三级存储
53.存储访问
54.文件组织
55.变长记录
记录56.组织文件
57.索引结构的文件
58.辅助索引
59.集群文件组织
60.数据字典存储
61.散列
62. B +树
63.查询通过实施例
64.查询上的一个关系
65.查询上的几个关系
66.条件框中
67.结果关系
68.订货元组的显示
69.聚合操作
70.正常化
71.函数依赖
72.正常化的进程
73.第一范式（1NF）
74. Boyce.Codd范式（BCNF）
75.第四范式（4NF）
76.第五范式（5NF）
77.算法函数依赖
SQL的78目标
79.历史SQL的
80.重要性SQL的
81. SQL语句
的DISTINCT 82.
83.搜索条件
84.模式匹配
85. NULL搜索条件
86. SELECT语句
87. SELECT语句 - 分组
88.子查询
89.加入
90.完整性增强功能
91.数据定义
92.查看
93.交易
94.数据定义语言
在SQL 95.模式定义
96.动态SQL
97.锁定基于协议
98.授予的锁
99.两阶段锁定协议
100.锁定的实现
101.基于图形的协议
102.基于时间戳协议
103.基于验证协议
104.处理死锁
对于死锁预防105.超时为基础的计划
106.死锁检测
从死锁107恢复
108.极品并发控制

这是最有用的应用程序的最后一分钟的准备计算机科学，软件工程教育课程和各大学的信息技术学位课程。下载DBMS的应用程序，以了解更多。


最好的应用程序的数据库管理系统（DBMS），了解任何主题在一分钟内

Database Management Systems

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