SQLSelect

SQLSelect[conn, table]
extracts data from a table in an SQL connection.

SQLSelect[conn, table, cols]
extracts data from particular columns.

SQLSelect[conn, table, cols, cond]
only extracts data that matches cond.

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  • To use SQLSelect, you first need to load DatabaseLink using Needs["DatabaseLink`"].
  • The following options can be given:
  • "Distinct"Falsewhether to return only distinct results
    "GetAsStrings"Falsewhether to return the results as strings
    "MaxRows"Automaticthe maximum number of rows to return
    "ShowColumnHeadings"Falsewhether to return headings with the results
    "SortingColumns"Nonehow to sort the data
    "Timeout"Nonethe timeout for the query

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基本范例 (1)基本范例 (1)

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If you find that the examples in this section do not work as shown, you may need to install or restore the example database with the package, as described in Using the Example Databases.

Open a connection:

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Select all data from a table:

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Select only certain columns:

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Join data from multiple tables:

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Select data matching a condition:

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Select data matching a pattern:

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Select data matching a list:

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