WGU C170 Data Management Applications STUDY GUIDE
What is a table? - correct answer A table is a persistent representation of a logical relation that is a relation whose contents can be saved for permanent use. What are the characteristics of a relational table? - correct answer The characteristics of a relational table are that a table is perceived as a two-dimensional structure composed of rows and columns, each row (tuple) represents a single entity occurrence within the set, each column represents an attribute, each column has a distinct name, each intersection of a row and column represents a single data value, all values in a column must be of the same data format, the order of the rows and columns don't matter to the DBMS, and each table must have an attribute (or combination of attributes) that uniquely identifies each row (tuple).
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- WGU C170 - DATA MANAGEMENT APPLICATIONS
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wgu c170 data management applications
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data management applications
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