Storage optimization is the collective process, frameworks and technologies that enable the efficient use of storage infrastructure and resources. It is a broad concept that works across all the technological and management layers of storage management to ensure existing storage resources are working in an efficient and cost-effective way.
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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