Advantages of database system:
1) improved data sharing
2) improved data integrity
3) reduced data redundancy
4) improved data access
Dis advantages of database system:
1) increased cost
2) managing complexity
3) maintaining currency
Hierarchical DBMSNetwork DBMSRelational DBMS
Some advantages of relational database management systems (RDBMS) over traditional database management systems (DBMS) include data integrity through the use of constraints, normalization to reduce redundancy, support for ACID transactions, and standardized SQL language for data manipulation. RDBMS also offer scalability and flexibility for complex data structures and relationships.
Three types of people who are are involved with a general-purpose DBMS include:DBMS developersApplication developers and Database administratorsApplication's end-users (e.g., accountants, insurance people, medical doctors, etc.)
The advantages of parallel DBMS include improved performance and scalability, as it allows for parallel processing of queries across multiple servers or processors. This can result in faster query execution and the ability to handle larger data volumes. However, the disadvantages include increased complexity and cost of implementation, as well as the need for specialized hardware and software to support parallel processing. Additionally, parallel DBMS may require additional effort for administration and maintenance.
dbms- database management systems............ it is a collection of interrelated data and the set of programs to access those datas....... it is used to meet the disadvantages of the file systems....... there are many disadvantages of filesystems....... lik,, data redundancy and data in consistency, difficulty to access data,integrity problems, atomicity problems............. dbms is quite complicated but better than file systems
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1. Following are the different types of dbmsMySQLMicrosoft SQL ServerMS AccessFoxproSAPdBASETibero 6
there are 2 types of hashing techniques 1- Static hashing 2-Dynamic hashing
There are number of advantages of DBMS approach , some of them are : Data integrity is maintained, Data accessibility is also easy, The redundancy of data is also reduced.
Hierarchical DBMSNetwork DBMSRelational DBMS
Heap file organization Sequential File Organization Hashing File organization
DBMS is database management. Database is where the information is stored.
There are four types of DBMS users,Naive UsersOnline UsersApplication Program UsersDatabase AdministratorNote: The description of above points is currently not available.
Developing a database application means converting your data into types understood by the DBMS, generating SQL code, sending it to the DBMS for evaluation, retrieving the result, and converting the result into types understood by your application language. It's even more strange when you use parameterized SQL: you generate some code with placeholders instead of literals, and then you send the literals separately (by "more strange," I certainly don't mean "worse," - parameterized SQL is a huge improvement).
There are several advantages of DBMS: 1. Redundancy problem can be solve 2. Security level is high 3. Referential Integrity 4. Multi user Access 5. Data Independence By Sushil Kumar Sinha
Types of Attributes in Dbms areKey or non key attributesRequired or optional AttributesSimple or composite AttributesSingle-valued and multi-valued AttributesStored, Coded or derived Attributes
what i think,regrding the different types of DBMS based on the type of organisation of data are: 1)An Enterprise DBMS which is designed for scalability and high performance. It must be capable of supporting very large databases, a large number of concurrent users, and multiple types of applications. 2)A Departmental DBMS, sometimes referred to as a workgroup DBMS, supports small to medium sized workgroups within an organization, and typically runs on a Unix, Linux, or Windows 2000 (or NT) server. 3)A Personal DBMS is designed to be used by a single user, typically on a low- to medium-powered PC platform. A personal DBMS product is suited only for small scale projects and should not be used to deploy multi-user applications. 4)A Mobile DBMS is a specialized version of a departmental or enterprise DBMS. It is designed to be used by remote users who are not usually connected to the network(eg:laptop or handheld device, such as a Palm PDA or PocketPC). Furthermore, the mobile DBMS provides a mechanism for synchronizing remote database changes to a centralized, enterprise or departmental database server.