ranges of database
Database is defines as a collection related records/data. When the data in the database is grouped based on some classification it is called database clustering.
Relational Database Model
Database file is one that is stored on a server and it is in the format that the database needs to read it. It is also stored in the database catalog. A flat file is one that is dumped from a database to import or export into another database or program. A flat file is fields of data separated by delimiters, which keep the fields separated for export/import.
a) Identify and describe FIVE characteristics of an efficient database
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We would use in rather than on. Data is stored in a database, not on a database. Data is entered into a database not onto a database.
If the whole database locked on every transaction it could not support multiple users at the same time. By locking only the row in use by a given transaction, multiple users can be performing transactions on other rows all at the same time with almost no chance of conflict.
a set of principles concerned with determining which states are valid for a database.Data Integrity within a relational database is that property of a database which ensures that it is and remains an accurate reflection the universe of discourse that it is attempting to model. This includes rules and restrictions to ensure the recording of correct data. It also involves the protection of data within the database. These rules are called integrity constrains.These restrictions are used in almost every field of input to the database.Examples of this is where you are given a drop box on a form to select from a list. This eliminates the chance of multiple spelling of a word. eg. colour color
We know what is database, it is a collection records. When a database is created from the existing database it is known as derived database.
Database is the data stored in the server and Database administrator is the person who designs the database.
The database we use in our daily life is called as active database . The data that is stored in the database which is further stored on the cloud is called cloud database.
The range of database application are given below: 1- Personal Database 2- Workgroup Database 3- Department Database 4- Enterprise Database
database structure depends on the business requirement and size of database. database structure depends on the business requirement and size of database.
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A relational database is a type of database design. Oracle is a brand of database. You can create a relational database using Oracle. You can also create relational databases using other database applications.