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.