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Many companies use databases to keep track of their stock, or their employees. A database is a collection of information, like names and addresses, or phone numbers. Police Departments have databases of crimes committed and criminals caught.
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What can a database do?
A database can perform four core operations, known as CRUD (Create, Read, Update, and Delete). Create is the ability to insert information into the database. Read is the ability to retrieve stored data, possibly transforming it during this process. Update refers to the ability to store newer information in place of older information. Delete refers to the ability to remove data that is no longer needed.
What is the concept of database auditing about?
Database auditing involves observing a database so as to be aware of the actions of database users. Database administrators and consultants often set up auditing for security purposes.
Explain three disadvantages of centralized database and distributed database?
what are the disadvantages of centralized database system
Why are forms an important part of a database?
the function of the database
Why would you use database?
why would you use database?
Why is a relational database needed?
A relational database is needed for many things. A relational database is known for collecting and organizing various data items into different charts and pictures.
When is a database management system needed?
to reduce the complexicity of management
What are the qualifications needed to get a job in database administration?
To get a job in database administration, you should get a Master's in computer science or MIS. You should become certified and learn common database programs.
What are the key hardware factors needed to be considered when implementing an Database Management System?
Each database lists the hardware requirements in their install guide.
Which fields are needed a school database?
A school database should include fields such as student information (e.g. name, grade level, contact details), teacher information (e.g. name, subject taught, contact details), class information (e.g. class name, schedule, teacher assigned), and grades or academic records. Additional fields may include attendance records, extracurricular activities, and disciplinary records.
What is the minimal data rule in conceptual design and why is it importantt?
all that is needed is there, and all that is there is needed. Using this rule ensures that the database will endure
What is data structure in a detail?
Whatever is needed for the task and planed/designed in the database schema.
What does it mean to populate a database?
Populating a database means inserting data into the database tables. This can include adding records, creating relationships between tables, and ensuring that the database is structured correctly to store and retrieve information efficiently.
What is the largest database size allowed in Microsoft access 2003?
2 GB, but the user can link tables in multiple databases together if a database over this limit is needed.
can knowledge be turned into a database?
knowledge can be turned into a database when an employee or manager knows what questions need to be answered to meet HR objectives and the data needed to answer those questions
What is the defintion of database?
Database can be defined as an organized collection of data. I t stores a huge amount of data. The objective of database is to store whole the data at one place and can be accessed when needed.
8 factor to consider when choosing a database management system?
The hardware needed to run the dbms the database dbms shouild meet the orgnisations needs for a short period of time
