SQLTableExportedKeys
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SQLTableExportedKeys[conn]
returns a table of foreign key descriptions that reference the table's primary key.

SQLTableExportedKeys[conn,table]
returns the foreign key descriptions for table.

DetailsDetails

  • To use SQLTableExportedKeys, you first need to load DatabaseLink using Needs["DatabaseLink`"].
  • The following options can be given:
  • "Catalog"Nonedatabase catalog to use
    "Schema"Nonedatabase schema to use
    "ShowColumnHeadings"Nonewhether to return headings with the results

ExamplesExamplesopen allclose all

Basic Examples  (1)Basic Examples  (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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Create a table with a primary key:

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Create another table. The column will be used for a foreign key constraint referencing the table's primary key:

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Add the foreign key constraint:

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The foreign key appears as an index in the table:

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The primary key column in the table now appears as an exported key:

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