SQLTableImportedKeys
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SQLTableImportedKeys[conn,table]
returns information about primary keys referenced by foreign keys in table.

DetailsDetails

  • To use SQLTableImportedKeys, 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"Falsewhether 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 DatabaseLink`DatabaseExamples` 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 PersonId column will be used for a foreign key constraint referencing the PEOPLE 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 EMPLOYEES table:

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The primary key of the PEOPLE table now appears as an imported key of EMPLOYEES:

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