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Editorial Team
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Asked: 2026-05-14T21:19:46+00:00

Suppose a Table Person having SSN, Name, Address and another Table Contacts having Contact_ID,

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Suppose a 

Table "Person" having 
    "SSN",
    "Name",
    "Address"

and another 

Table "Contacts" having
    "Contact_ID",
    "Contact_Type",
    "SSN" (primary key of Person)

similarly 

Table "Records" having
    "Record_ID",
    "Record_Type",
    "SSN" (primary key of Person)

Now i want that when i change or update SSN in person table that accordingly changes in other 2 tables.

  1. If anyone can help me with a trigger for that
  2. Or how to pass foreign key constraints for tables
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1 Answer

  1. Editorial Team

    Just add ON UPDATE CASCADE to the foreign key constraint.

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