Cryptocurrency is a type of digital currency that uses cryptography for security and anti-counterfeiting measures. Public and private keys are often used to transfer cryptocurrency between individuals. As a counter-culture movement that is often connected to cypherpunks, cryptocurrency is essentially a fiat currency. This means users must reach a...
In general, an attribute is a characteristic. In a database management system (DBMS), an attribute refers to a database component, such a table. It also may refer to a database field. Attributes describe the instances in the row of a database.
Think of a table in a relational database as being analogous to a spreadsheet. An attribute is simply one non-null cell in the spreadsheet, or the conjunction of a column and row. It stores only one piece of data about the object represented by the table in which the attribute belongs. For example, the attributes in an invoice might be price, number, date or paid/unpaid, etc.
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