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Function to List Primary Key Columns for a Table

  • October 4, 2007 at 3:29 pm

    #198772

    Comments posted to this topic are about the item Function to List Primary Key Columns for a Table


    Karen Gayda
    MCP, MCSD, MCDBA

    gaydaware.com

  • May 20, 2008 at 1:47 pm

    #818197

    The "i.id = t.id" in the WHERE clause is not needed because it's already in the join condition.

    Since we are looking for primary keys and text fields cannot be part of primary key, the "AND i.indid BETWEEN 1 And 254" is not needed as well.

    Otherwise, nice code!

  • July 9, 2008 at 3:21 pm

    #840533

    Here is an alternative using the INFORMATION_SCHEMA view.

    select column_name

    from information_schema.table_constraints join information_schema.key_column_usage on (information_schema.table_constraints.constraint_name = information_schema.key_column_usage.constraint_name)

    whereinformation_schema.table_constraints.table_name = @table_name

    and constraint_type = 'PRIMARY KEY'

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