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Get and Plot Data from a Database

By using DatabaseLink, you can get data from a database and do any number of computations on it.

    
After loading DatabaseLink and opening a connection, get data from a table and visualize it:
Wolfram Language code: Needs["DatabaseLink`"]
Wolfram Language code: conn = OpenSQLConnection[ "publisher"];
Wolfram Language code: data = SQLSelect[conn, "ROYSCHED", {"TITLE_ID", "ROYALTY"}]
Wolfram Language code: ListLinePlot[Last /@ data]