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Where database come from?
Database comes from the end user or the database users. Combining all the data database system is formed.
What is the difference between a personal database system and a enterprise class database system?
A personal database system allows users to store their own files and interact with other applications. An enterprise class database system allows enterprises to analyze their own data.
What are the various types of database users?
1) End User 2) Database Admin 3) Database Designer 4) System Analysts and Programmers 5) System Administrator *Database Systems 8th Edition
What is a centralised database?
A centralised database is a single database under the control of a single Database Management System. All users and client applications connect directly to the DBMS. This means that the database is stored in only one location and everyone in the system is directly connected to it. Unlike a distributeddatabase which is a set of connected databases stored on multiple computers that appears to users as a single database.
Which of the following best describe the manipulation of data?
database management system that end users and programmers use to manipulate data in the database.
What is a user database?
A user database is a system that more than 1 person can access and gain information from. Multiple users can input and store data in these database systems.
What is specialized users and in DBMS?
In a database management system (DBMS), specialized users are individuals with specific roles or expertise related to database administration, development, or analysis. These users typically have advanced knowledge of the DBMS platform and are responsible for tasks such as database design, optimization, security implementation, and performance tuning. Specialized users often contribute to improving the efficiency and effectiveness of database operations within an organization.
What is responsible for providing users with access to appropriate data in a database?
A database management system (DBMS) is responsible for providing users with access to appropriate data in a database. The DBMS controls user access permissions, enforces security measures, and manages queries to ensure users can retrieve the data they are authorized to access.
List the different types of database user and explain?
4 Types of Database Users Users are differentiated by the way they expect to interact with the system: · Application programmers - interact with system through DML calls. · Sophisticated users - form requests in a database query language. · Specialized users - write specialized database applications that do not fit into the traditional data processing framework. · Naive users - invoke one of the permanent application programs that have been written previously.FROM: Database Systems Concepts 1.17 Silberschatz, Korth and Sudarshan c1997
What kind of threats can affect the database system?
hackers, viruses, users who don't know what they are doing
What is difference between dba users and all users?
DBA users, or Database Administrator users, have elevated privileges that allow them to manage and maintain the database system, including tasks like creating users, managing security, and performing backups. In contrast, all users encompass anyone with access to the database, which may include standard users with limited permissions to read or modify data but without the administrative capabilities of DBA users. Essentially, DBA users have comprehensive control over the database, while all users have varying levels of access based on their assigned roles.
What is the name of the system database that contains descriptions of the data in the database?
The system database that contains descriptions of the data in the database is called the data dictionary or metadata repository. It stores information about the structure, definition, and organization of data elements within the database to help users and systems work with the data effectively.
