Database Management Systems

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。